CANON 400MM DO LENS REVIEW



Canon 400mm Do Lens Review

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM. Jun 03, 2016 · For Canon lens fans, the wait finally ended when the company took the wraps off the new EF 100-400mm f/4.5-5.6L IS II USM, a relatively compact super-telephoto zoom that has been hotly anticipated and frequently rumored about for years., Dec 21, 2014 · Canon calls this the CANON LENS EF 400mm f/5.6 L ULTRASONIC. EF means "electronic focus;" there is an autofocus motor inside the lens. L means as expensive as L. ULTRASONIC means that the focus motor operates reasonably silently. Optics top. Canon EF 400mm f/5.6L internal diagram. Super UD Glass and UD Glass. 7 elements in 6 groups..

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM. Buy the EF 400mm f/4 DO IS II USM Refurbished from Canon Online Store, a super long telephoto lens, ideal for professional action photography, from sports to nature., Jun 08, 2015 · The original EF 400mm f/4 DO was a great experiment, it delivered on the promise of a light and compact lens. The bare lens was sharp if it lacked in contrast a bit. While I liked the old DO lens when used bare, it had a major Achilles heel: very poor performance with both EF extender 1.4X and 2X..

With little to no chromatic aberrations, this large aperture lens offers all of the perks of the modern Canon Super Telephoto Lens with none of the draw backs of size and weight. At home in your hand or on a tripod this lens will lens will make your old 400mm f/5.6 nothing more than a paper weight. Nov 22, 2017 · Let’s start off with a quick overview of the lens specs. This lens is for Nikon and Canon APS-C (crop sensor) cameras only. I tested the lens on a Canon 7D Mark II. The Tamron 18-400mm super-zoom is a variable aperture lens. Meaning that at 18mm, the …

Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass. Buy the EF 400mm f/4 DO IS II USM Refurbished from Canon Online Store, a super long telephoto lens, ideal for professional action photography, from sports to nature.

Nov 22, 2017 · Let’s start off with a quick overview of the lens specs. This lens is for Nikon and Canon APS-C (crop sensor) cameras only. I tested the lens on a Canon 7D Mark II. The Tamron 18-400mm super-zoom is a variable aperture lens. Meaning that at 18mm, the … Jun 03, 2016 · For Canon lens fans, the wait finally ended when the company took the wraps off the new EF 100-400mm f/4.5-5.6L IS II USM, a relatively compact super-telephoto zoom that has been hotly anticipated and frequently rumored about for years.

Canon 7D mk ii + Canon 400/DO v. 1 vs. a Sony A7R iii body + Sony FE 100-400mm lens. Should not be much of a difference, if all are new. Let’s not forget buying the Canon set means adding a 100-300/5.6 L optic to be even with Sony’s 100-400 range. Find helpful customer reviews and review ratings for Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras at Amazon.com. Read honest …

With little to no chromatic aberrations, this large aperture lens offers all of the perks of the modern Canon Super Telephoto Lens with none of the draw backs of size and weight. At home in your hand or on a tripod this lens will lens will make your old 400mm f/5.6 nothing more than a paper weight. Jul 01, 2015 · Canon 400mm f/2.8; Canon 500mm f/4; Canon 600mm f/4 …yet, we still recommend the 400mm f/5.6 prime to all new wildlife photographers. Even if a photographers is using a Nikon, Sony, Panasonic, Olympus, Pentax, Fuji, whatever, we tell them to buy a used Canon 7D just so they can attach a copy of this lens to it.

Great lightweight lens (for a 400mm f4). The resolution is very good however the contrast is lower than other L series super telephotos. This is due to the DO construction. With little to no chromatic aberrations, this large aperture lens offers all of the perks of the modern Canon Super Telephoto Lens with none of the draw backs of size and weight. At home in your hand or on a tripod this lens will lens will make your old 400mm f/5.6 nothing more than a paper weight.

Canon EF 400mm f/4 DO IS II USM Review Rivals

canon 400mm do lens review

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM. Canon EF 400mm f/4 DO IS USM 35mm Primes . I wrote a review on this lens after getting my first copy shortly after it was released. Until this last year I have used a Canon 300mm 2.8L lens and after a long day at the races I end up being exhausted at the end of each day.So whenever I get the chance to try something new that is, Jan 27, 2015 · In an earlier post we were most impressed with how much better the new Canon 400mm f/4 IS DO II resolved compared to the original version. I mentioned that we hadn’t been able to get many copies and didn’t have time to do any other comparisons ….

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM

canon 400mm do lens review

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM. Canon 7D mk ii + Canon 400/DO v. 1 vs. a Sony A7R iii body + Sony FE 100-400mm lens. Should not be much of a difference, if all are new. Let’s not forget buying the Canon set means adding a 100-300/5.6 L optic to be even with Sony’s 100-400 range. Jan 27, 2015 · In an earlier post we were most impressed with how much better the new Canon 400mm f/4 IS DO II resolved compared to the original version. I mentioned that we hadn’t been able to get many copies and didn’t have time to do any other comparisons ….

canon 400mm do lens review


Buy the EF 400mm f/4 DO IS II USM Refurbished from Canon Online Store, a super long telephoto lens, ideal for professional action photography, from sports to nature. Nov 22, 2017 · Let’s start off with a quick overview of the lens specs. This lens is for Nikon and Canon APS-C (crop sensor) cameras only. I tested the lens on a Canon 7D Mark II. The Tamron 18-400mm super-zoom is a variable aperture lens. Meaning that at 18mm, the …

Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass. Canon EF 400mm f/4 DO IS USM 35mm Primes . I wrote a review on this lens after getting my first copy shortly after it was released. Until this last year I have used a Canon 300mm 2.8L lens and after a long day at the races I end up being exhausted at the end of each day.So whenever I get the chance to try something new that is

Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass. Jun 08, 2015 · The original EF 400mm f/4 DO was a great experiment, it delivered on the promise of a light and compact lens. The bare lens was sharp if it lacked in contrast a bit. While I liked the old DO lens when used bare, it had a major Achilles heel: very poor performance with both EF extender 1.4X and 2X.

Jun 03, 2016 · For Canon lens fans, the wait finally ended when the company took the wraps off the new EF 100-400mm f/4.5-5.6L IS II USM, a relatively compact super-telephoto zoom that has been hotly anticipated and frequently rumored about for years. Sep 17, 2014 · SLRgear Review 01/19/2015 by William Brawley. Ah, one of the rare Canon L-series lenses not to sport that distinctive red ring. Indeed, the newly redesigned Canon EF 400mm ƒ/4 DO IS II …

Great lightweight lens (for a 400mm f4). The resolution is very good however the contrast is lower than other L series super telephotos. This is due to the DO construction. Jun 03, 2016 · For Canon lens fans, the wait finally ended when the company took the wraps off the new EF 100-400mm f/4.5-5.6L IS II USM, a relatively compact super-telephoto zoom that has been hotly anticipated and frequently rumored about for years.

Jun 03, 2016 · For Canon lens fans, the wait finally ended when the company took the wraps off the new EF 100-400mm f/4.5-5.6L IS II USM, a relatively compact super-telephoto zoom that has been hotly anticipated and frequently rumored about for years. The Canon EF 400mm f/4 DO IS USM Lens is Canon's first DO (Diffractive Optics) lens - yielding 400mm f/4 IS performance in a relatively small and light handholdable package. Small and light are of course relative. Someone used to shooting with a Canon EF 28-135mm IS …

canon 400mm do lens review

Canon 7D mk ii + Canon 400/DO v. 1 vs. a Sony A7R iii body + Sony FE 100-400mm lens. Should not be much of a difference, if all are new. Let’s not forget buying the Canon set means adding a 100-300/5.6 L optic to be even with Sony’s 100-400 range. Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass.

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM

canon 400mm do lens review

Canon EF 400mm f/4 DO IS II USM Refurbished Lens Canon. Canon EF 400mm f/4 DO IS USM 35mm Primes . I wrote a review on this lens after getting my first copy shortly after it was released. Until this last year I have used a Canon 300mm 2.8L lens and after a long day at the races I end up being exhausted at the end of each day.So whenever I get the chance to try something new that is, Buy the EF 400mm f/4 DO IS II USM Refurbished from Canon Online Store, a super long telephoto lens, ideal for professional action photography, from sports to nature..

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM

Canon EF 400mm f/4 DO IS II USM Review Rivals. Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass., Dec 21, 2014 · Canon calls this the CANON LENS EF 400mm f/5.6 L ULTRASONIC. EF means "electronic focus;" there is an autofocus motor inside the lens. L means as expensive as L. ULTRASONIC means that the focus motor operates reasonably silently. Optics top. Canon EF 400mm f/5.6L internal diagram. Super UD Glass and UD Glass. 7 elements in 6 groups..

Great lightweight lens (for a 400mm f4). The resolution is very good however the contrast is lower than other L series super telephotos. This is due to the DO construction. Buy the EF 400mm f/4 DO IS II USM Refurbished from Canon Online Store, a super long telephoto lens, ideal for professional action photography, from sports to nature.

Oct 08, 2019 · Shooting with the Canon EF 100-400mm f/4.5-5.6L IS II. My first tests found the lens to be sharp through all focal lengths, and adding my 1.4X extender didn’t seem to change that noticeably. I’d previously had the Canon EF 1.4X Extender II (review) attached to my 70-200mm much of the time, and that has usually been the way I’ve used the 100-400mm too. This Canon 400mm f/4 DO IS II USM is an ultra high performance, ultra lightweight hand-holdable telephoto lens for every Canon DSLR and 35mm EOS camera. It has fantastic optics, fast autofocus, fantastic Image Stabilization (IS) and top-notch build quality — all in a tiny, lightweight package.

Oct 08, 2019 · Shooting with the Canon EF 100-400mm f/4.5-5.6L IS II. My first tests found the lens to be sharp through all focal lengths, and adding my 1.4X extender didn’t seem to change that noticeably. I’d previously had the Canon EF 1.4X Extender II (review) attached to my 70-200mm much of the time, and that has usually been the way I’ve used the 100-400mm too. Canon EF 400mm f/4 DO IS USM 35mm Primes . I wrote a review on this lens after getting my first copy shortly after it was released. Until this last year I have used a Canon 300mm 2.8L lens and after a long day at the races I end up being exhausted at the end of each day.So whenever I get the chance to try something new that is

Jun 03, 2016 · For Canon lens fans, the wait finally ended when the company took the wraps off the new EF 100-400mm f/4.5-5.6L IS II USM, a relatively compact super-telephoto zoom that has been hotly anticipated and frequently rumored about for years. This Canon 400mm f/4 DO IS II USM is an ultra high performance, ultra lightweight hand-holdable telephoto lens for every Canon DSLR and 35mm EOS camera. It has fantastic optics, fast autofocus, fantastic Image Stabilization (IS) and top-notch build quality — all in a tiny, lightweight package.

Jun 08, 2015 · The original EF 400mm f/4 DO was a great experiment, it delivered on the promise of a light and compact lens. The bare lens was sharp if it lacked in contrast a bit. While I liked the old DO lens when used bare, it had a major Achilles heel: very poor performance with both EF extender 1.4X and 2X. Canon have succeeded in having a delightfully small and light 400 f/4 lens thru DO technology. However, IQ has ended up being a compromise. Also, some sort of a 1st generation IS is used in the lens although the 2nd generation might have been available at the time.

Jul 01, 2015 · Canon 400mm f/2.8; Canon 500mm f/4; Canon 600mm f/4 …yet, we still recommend the 400mm f/5.6 prime to all new wildlife photographers. Even if a photographers is using a Nikon, Sony, Panasonic, Olympus, Pentax, Fuji, whatever, we tell them to buy a used Canon 7D just so they can attach a copy of this lens to it. Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass.

This Canon 400mm f/4 DO IS II USM is an ultra high performance, ultra lightweight hand-holdable telephoto lens for every Canon DSLR and 35mm EOS camera. It has fantastic optics, fast autofocus, fantastic Image Stabilization (IS) and top-notch build quality — all in a tiny, lightweight package. Nov 22, 2017 · Let’s start off with a quick overview of the lens specs. This lens is for Nikon and Canon APS-C (crop sensor) cameras only. I tested the lens on a Canon 7D Mark II. The Tamron 18-400mm super-zoom is a variable aperture lens. Meaning that at 18mm, the …

The Canon EF 400mm f/4 DO IS USM Lens is Canon's first DO (Diffractive Optics) lens - yielding 400mm f/4 IS performance in a relatively small and light handholdable package. Small and light are of course relative. Someone used to shooting with a Canon EF 28-135mm IS … With little to no chromatic aberrations, this large aperture lens offers all of the perks of the modern Canon Super Telephoto Lens with none of the draw backs of size and weight. At home in your hand or on a tripod this lens will lens will make your old 400mm f/5.6 nothing more than a paper weight.

Canon have succeeded in having a delightfully small and light 400 f/4 lens thru DO technology. However, IQ has ended up being a compromise. Also, some sort of a 1st generation IS is used in the lens although the 2nd generation might have been available at the time. With little to no chromatic aberrations, this large aperture lens offers all of the perks of the modern Canon Super Telephoto Lens with none of the draw backs of size and weight. At home in your hand or on a tripod this lens will lens will make your old 400mm f/5.6 nothing more than a paper weight.

Canon 7D mk ii + Canon 400/DO v. 1 vs. a Sony A7R iii body + Sony FE 100-400mm lens. Should not be much of a difference, if all are new. Let’s not forget buying the Canon set means adding a 100-300/5.6 L optic to be even with Sony’s 100-400 range. Nov 22, 2017 · Let’s start off with a quick overview of the lens specs. This lens is for Nikon and Canon APS-C (crop sensor) cameras only. I tested the lens on a Canon 7D Mark II. The Tamron 18-400mm super-zoom is a variable aperture lens. Meaning that at 18mm, the …

Jul 01, 2015 · Canon 400mm f/2.8; Canon 500mm f/4; Canon 600mm f/4 …yet, we still recommend the 400mm f/5.6 prime to all new wildlife photographers. Even if a photographers is using a Nikon, Sony, Panasonic, Olympus, Pentax, Fuji, whatever, we tell them to buy a used Canon 7D just so they can attach a copy of this lens to it. Jan 27, 2015 · In an earlier post we were most impressed with how much better the new Canon 400mm f/4 IS DO II resolved compared to the original version. I mentioned that we hadn’t been able to get many copies and didn’t have time to do any other comparisons …

Canon EF 400mm f/4 DO IS II USM Refurbished Lens Canon. Canon EF 400mm f/4 DO IS USM 35mm Primes . I wrote a review on this lens after getting my first copy shortly after it was released. Until this last year I have used a Canon 300mm 2.8L lens and after a long day at the races I end up being exhausted at the end of each day.So whenever I get the chance to try something new that is, Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass..

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM

canon 400mm do lens review

Canon EF 400mm f/4 DO IS II USM Refurbished Lens Canon. Canon EF 400mm f/4 DO IS USM 35mm Primes . I wrote a review on this lens after getting my first copy shortly after it was released. Until this last year I have used a Canon 300mm 2.8L lens and after a long day at the races I end up being exhausted at the end of each day.So whenever I get the chance to try something new that is, Canon 7D mk ii + Canon 400/DO v. 1 vs. a Sony A7R iii body + Sony FE 100-400mm lens. Should not be much of a difference, if all are new. Let’s not forget buying the Canon set means adding a 100-300/5.6 L optic to be even with Sony’s 100-400 range..

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM. The Canon EF 400mm f/4 DO IS USM Lens is Canon's first DO (Diffractive Optics) lens - yielding 400mm f/4 IS performance in a relatively small and light handholdable package. Small and light are of course relative. Someone used to shooting with a Canon EF 28-135mm IS …, Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass..

Amazon.com Customer reviews Canon EF 400mm f/4 DO IS USM

canon 400mm do lens review

Canon EF 400mm f/4 DO IS II USM Review Rivals. Dec 21, 2014 · Canon calls this the CANON LENS EF 400mm f/5.6 L ULTRASONIC. EF means "electronic focus;" there is an autofocus motor inside the lens. L means as expensive as L. ULTRASONIC means that the focus motor operates reasonably silently. Optics top. Canon EF 400mm f/5.6L internal diagram. Super UD Glass and UD Glass. 7 elements in 6 groups. Great lightweight lens (for a 400mm f4). The resolution is very good however the contrast is lower than other L series super telephotos. This is due to the DO construction..

canon 400mm do lens review

  • Canon EF 400mm f/4 DO IS II USM Review Rivals
  • Canon EF 400mm f/4 DO IS II USM Review Rivals
  • Canon EF 400mm f/4 DO IS II USM Review Rivals

  • Jan 27, 2015 · In an earlier post we were most impressed with how much better the new Canon 400mm f/4 IS DO II resolved compared to the original version. I mentioned that we hadn’t been able to get many copies and didn’t have time to do any other comparisons … Oct 08, 2019 · Shooting with the Canon EF 100-400mm f/4.5-5.6L IS II. My first tests found the lens to be sharp through all focal lengths, and adding my 1.4X extender didn’t seem to change that noticeably. I’d previously had the Canon EF 1.4X Extender II (review) attached to my 70-200mm much of the time, and that has usually been the way I’ve used the 100-400mm too.

    Find helpful customer reviews and review ratings for Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras at Amazon.com. Read honest … Jun 08, 2015 · The original EF 400mm f/4 DO was a great experiment, it delivered on the promise of a light and compact lens. The bare lens was sharp if it lacked in contrast a bit. While I liked the old DO lens when used bare, it had a major Achilles heel: very poor performance with both EF extender 1.4X and 2X.

    Jun 03, 2016 · For Canon lens fans, the wait finally ended when the company took the wraps off the new EF 100-400mm f/4.5-5.6L IS II USM, a relatively compact super-telephoto zoom that has been hotly anticipated and frequently rumored about for years. Canon EF 400mm f/4 DO IS USM 35mm Primes . I wrote a review on this lens after getting my first copy shortly after it was released. Until this last year I have used a Canon 300mm 2.8L lens and after a long day at the races I end up being exhausted at the end of each day.So whenever I get the chance to try something new that is

    Great lightweight lens (for a 400mm f4). The resolution is very good however the contrast is lower than other L series super telephotos. This is due to the DO construction. Dec 21, 2014 · Canon calls this the CANON LENS EF 400mm f/5.6 L ULTRASONIC. EF means "electronic focus;" there is an autofocus motor inside the lens. L means as expensive as L. ULTRASONIC means that the focus motor operates reasonably silently. Optics top. Canon EF 400mm f/5.6L internal diagram. Super UD Glass and UD Glass. 7 elements in 6 groups.

    Jan 27, 2015 · In an earlier post we were most impressed with how much better the new Canon 400mm f/4 IS DO II resolved compared to the original version. I mentioned that we hadn’t been able to get many copies and didn’t have time to do any other comparisons … With little to no chromatic aberrations, this large aperture lens offers all of the perks of the modern Canon Super Telephoto Lens with none of the draw backs of size and weight. At home in your hand or on a tripod this lens will lens will make your old 400mm f/5.6 nothing more than a paper weight.

    Great lightweight lens (for a 400mm f4). The resolution is very good however the contrast is lower than other L series super telephotos. This is due to the DO construction. Nov 22, 2017 · Let’s start off with a quick overview of the lens specs. This lens is for Nikon and Canon APS-C (crop sensor) cameras only. I tested the lens on a Canon 7D Mark II. The Tamron 18-400mm super-zoom is a variable aperture lens. Meaning that at 18mm, the …

    This Canon 400mm f/4 DO IS II USM is an ultra high performance, ultra lightweight hand-holdable telephoto lens for every Canon DSLR and 35mm EOS camera. It has fantastic optics, fast autofocus, fantastic Image Stabilization (IS) and top-notch build quality — all in a tiny, lightweight package. Find helpful customer reviews and review ratings for Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras at Amazon.com. Read honest …

    Find helpful customer reviews and review ratings for Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras at Amazon.com. Read honest … This Canon 400mm f/4 DO IS II USM is an ultra high performance, ultra lightweight hand-holdable telephoto lens for every Canon DSLR and 35mm EOS camera. It has fantastic optics, fast autofocus, fantastic Image Stabilization (IS) and top-notch build quality — all in a tiny, lightweight package.

    Canon 7D mk ii + Canon 400/DO v. 1 vs. a Sony A7R iii body + Sony FE 100-400mm lens. Should not be much of a difference, if all are new. Let’s not forget buying the Canon set means adding a 100-300/5.6 L optic to be even with Sony’s 100-400 range. Jul 01, 2015 · Canon 400mm f/2.8; Canon 500mm f/4; Canon 600mm f/4 …yet, we still recommend the 400mm f/5.6 prime to all new wildlife photographers. Even if a photographers is using a Nikon, Sony, Panasonic, Olympus, Pentax, Fuji, whatever, we tell them to buy a used Canon 7D just so they can attach a copy of this lens to it.

    Canon have succeeded in having a delightfully small and light 400 f/4 lens thru DO technology. However, IQ has ended up being a compromise. Also, some sort of a 1st generation IS is used in the lens although the 2nd generation might have been available at the time. Canon have succeeded in having a delightfully small and light 400 f/4 lens thru DO technology. However, IQ has ended up being a compromise. Also, some sort of a 1st generation IS is used in the lens although the 2nd generation might have been available at the time.

    Buy the EF 400mm f/4 DO IS II USM Refurbished from Canon Online Store, a super long telephoto lens, ideal for professional action photography, from sports to nature. Aug 26, 2017 · The first DO photographic lens had that system positioned instead of a front element. That situation changed in 2014 when Canon presented a new generation of devices in a form of the EF 400 mm f/4 DO IS II USM. Now the first element is made of ordinary glass.

    Jun 08, 2015 · The original EF 400mm f/4 DO was a great experiment, it delivered on the promise of a light and compact lens. The bare lens was sharp if it lacked in contrast a bit. While I liked the old DO lens when used bare, it had a major Achilles heel: very poor performance with both EF extender 1.4X and 2X. Find helpful customer reviews and review ratings for Canon EF 400mm f/4 DO IS USM Super Telephoto Lens for Canon SLR Cameras at Amazon.com. Read honest …

    Oct 08, 2019 · Shooting with the Canon EF 100-400mm f/4.5-5.6L IS II. My first tests found the lens to be sharp through all focal lengths, and adding my 1.4X extender didn’t seem to change that noticeably. I’d previously had the Canon EF 1.4X Extender II (review) attached to my 70-200mm much of the time, and that has usually been the way I’ve used the 100-400mm too. The Canon EF 400mm f/4 DO IS USM Lens is Canon's first DO (Diffractive Optics) lens - yielding 400mm f/4 IS performance in a relatively small and light handholdable package. Small and light are of course relative. Someone used to shooting with a Canon EF 28-135mm IS …