From: Molde, Norge

A very fine lens

August 31, 2017
After having this lens for a few weeks, I am impressed. I had the A-mount 70-400 mm (and also still have the Minolta APO 400 mm f:4.5), and the E-mount lens is better than it's A-mount zoom sibling in every respect. This lens even focuses fast with my old A7 camera, and can successfully be used for action, like birds in flight. I also like how the tripod socket foot can be removed from the lens, very clever design. Sharpness and contast is excellent wide open at 400 mm, which is the main reason I bought this lens.... Read More  Hide
From: Colorado

Stupendous when matched with the a9 body

September 26, 2017
I've had this lens a few days and have shot about 2,000-shots, with it mounted on my Sony a9 body. I'm comparing it to my Canon EF 100-400mm f/4.5-5.6L IS II. The image quality of the Sony and Canon is very close. Shooting wildlife, neither is leaping ahead of the other in IQ. I'll trust DxOMark when they say that the Sony is slightly better. What is stunning, is the quick and accurate autofocus, even when using all 693-autofocus points of the a9. When I at the Sony 1.4x teleconverter, there's no slowing. It's amazing. The performance is an order of magnitude better than the Canon on a Canon body. Someone was comparing to a Sigma lens. There's NO COMPARISON of the Sigma 150-600mm. The Sigma's image quality is several steps behind the Sony and the Canon. If you crop the shorter lenses to match 600mm, the Sony image will be sharper than the Sigma image. Oh, did I mention, the Sony is noticeably lighter than the competing Canon. Okay Sony, send us a 600/f4 G Master lens and I'll be totally crossed over from Canon.... Read More  Hide
From: Warwick, RI, United States

Very impressive

September 29, 2017
After shooting with Nikon for 40 years, I just recently switched camera systems from Nikon to Sony. For starters, I bought the Sony a7Rii along with the Sony FE 24-70 F2.8 GM and Sony FE 100-400 F4.5-5.6 GM OSS. I have to say, I love this Sony system. The ease of capturing images, especially fast paced images, is surprisingly easy. The images attached were captured with the outstanding 100-400 GM. The focus system on the a7Rii never missed a beat with this fast moving Waverunner. The viewfinder is just incredible. I love being able to see exactly what I am capturing at the exact moment I pressed the shutter release. The detail of 42.5 MP's is unreal. My only regret is that I didn't switch systems sooner.... Read More  Hide
From: San Jose, CA, United States

Great Lens

October 07, 2017
Bought this for taking photos of birds. It's fast and clear. I really like it.
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