S Sobrinsky Offline Upload & Sell: Off
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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.
Locked up on two separate occasions over a month apart; in both instances, popped the battery, put it back in, good to go.
Can be quirky (like when setting lens focal lengths for exif); the IOS app is still vaporware.
If you do input the lens focal length, it will correctly set the IBIS (if IBIS is on and set to auto).
Agree with Fred's "beta" comments. Not perfect, but for what it can do, pretty amazing. Not for anything mission critical. I wouldn't use it for a wedding or a championship game.
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!
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.
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.
The focus bumpers on my FD 20mm 2.0 are shot; was contemplating sending it out to get fixed, but when using the TechArt to focus it doesn't matter.
Regarding M mount adapters for other mounts, the ones TechArt sells are branded "Leicaist". You can purchase these on eBay; until recently they were going for about $30 USD, but the price has been creeping up lately. Still cheaper than TechArt, depending on which mount you need.
If you plan on using FD lenses, you really need the Leicaist adaptor (unless you're good with a hacksaw and dremel).
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