d-intrigue
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 Re: Techart PRO AF adapter now In Stock at B&H Photo | |
S Sobrinsky wrote:
Some observations after a few months of use...
No egregious battery drain, and it\'s always on the camera (A7II). Sometimes sits in the bag unused for days. Maybe I\'m lucky.
Same as my experience; there are at least two of us lucky ones. 
Can be quirky (like when setting lens focal lengths for exif); the IOS app is still vaporware.
I never bother with EXIF. To clarify, there is one iOS app available, but it is the firmware update app.
Works well with lenses from 17mm up through 85mm that I\'ve tried. Works with longer lenses too, but you may have to prefocus with these. Used it with a Contax 180mm 2.8 Sonnar which weighs 815 grams without the adaptors, and it works, but in this case you hold the lens, and the camera body moves back and forth!
Yes, I find prefocus necessary for longer focal lengths.
Used with a Nikkor 50mm 1.2 wide open, it always nails the focus; many more keepers than when I try to manually focus that lens with my aging eyes.
Indeed. That\'s the true value of this adapter; when it attains focus, it\'s absolutely accurate, without having to use any focus assist tools that interrupt the framing process.
I use it on Flexible Spot-M most of the time.
The Contax 35-70/3.4 has turned out to be a real joy to use. I was never crazy about 1-touch focusing/zoom type lenses, but when used on the TechArt, you can zoom AND rough focus if needed very easily with one hand. One of my favorite combos when I have enough light.
Dream lens. 
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