I like this lens. It's super spicy. Autofocus is smooth and fairly quiet - there's noise, but it's quiet. The autofocus is precise and fast. The clutch that allows you to quickly switch to manual focus is brilliant - it's intuitive and very useful. The range of focal lengths inspired me to embrace my own holy Jewish trinity; EF tokina opera 16-28 f/2.8 aspherical, RF canon 28-70 f/2 L, EF canon 70-200 IS III f2.8 L. On my p5. I was going to listen to Polin and go for the 12-24 f/4 and I'm glad I didn't, this lens performs as well as any L lens in terms of AF sharpness, that is, everything . There may be some advantages to using a Canon in terms of frame rate or maybe autofocus speed, but if there is, I haven't noticed it with this lens. Two disadvantages: 1: not quite weatherproof. There is a rubber gasket on the base/mount, but the lens is not weatherproof. I've used it in rain, snow and sleet, but with caution. Heavy rain and I cover it. I also shot with all the ice on frozen Lake Huron where the waves freeze and collide to create beautiful ice formations. It can also surprise you when you take your legs apart. I have fallen 2 times in the last 3 weeks, both times with this lens. It has suffered several heavy foulings and shows no signs of this damage. It has excellent build quality. 2) The front element is a large convex piece of glass that protrudes too far from the Lem's body for the threads and lens filters. It is impossible to make a UV or protective filter. As well as preventing the convenience of using a polarizer etc. Even if that meant a 95mm filter size would be a simple and very useful improvement. They've already made improvements over the previous 16-28. Namely the creation of a new lens hood - which is great and I hope it never changes, although I'd love to see full print and the ability to use filters. But leave the rest alone. I would not exchange the optics for a frobt filter thread. He's got a great personality, but he's also very, very perceptive. I love this lens. This is my favorite - I got lucky recently and was able to get some of the lenses I've wanted for so long. And it was the rf 28-70 f/2 that sped up my revision of the regular Trinity 11-24, 24-70, 70-200. Or 16-35 as wide angle. To save money on 28-70 f/2, I looked for wide-angle zoom lens alternatives. After a super very long significant saving. I almost got the old 16-35 f2.8 but still in $$$ or questionable condition. I almost got a really old 17-35 F/4 to really save, but I really don't want to increase the small aperture unless I have to. I can't believe nobody is talking about this lens. It works really well on my r5 as well as Canon DSLR cameras. It was so cheap for what it offers. Conclusion - if I had both lenses, I would only take the L lens in bad weather. I like the new 16-35 A VERY much. A friend gave it to me to borrow a week before I got the Tokina to feel and I really liked it. So many that I almost didn't get a Tokina. Because someone knocked off the lens cap. But the OPERA 16-28 lens cap is just a luxury, but seriously I love this lens. I do not know. Not knowing if I would regret it, I kept waiting, then took this $100 offer and jumped at it. and the lack of a front thread for the filter.
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