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Maybe this could be pinned for a while to make sure people are informed.
Bought a used LA-EA4 from KEH in November. It worked fine with my 28-135 and 100-400 but noticed that it worked intermittently with my 35-105. By 'intermittent' I mean it worked at both ends of the zoom and lost contact in the middle. I figured it was probably the lens but contacted KEH to let them know and said I'd test a few more lenses before I sent it back for exchange. Holidays came and got in the way, and since it was working with my EDC lenses, I forgot about it until I bought another A-mount. When I mounted the lens, it wouldn't communicate at all. This led me to check all of my A-Mounts and record the results.
This table shows the results. The far right column shows compatibility with each lens and this camera/adapter combination, and the second column from the right shows how the lens functioned with the A7IV/LA-EA5.
The 70-210 was really weird in that it would work at both ends and for a brief zone in the center but would lose contact at about 1/3 and 2/3 zoom.
So, I contacted KEH and they replaced it under warranty. (yay!) The new one arrived yesterday. This morning I tested it with the 28-135 and 100-400, which both worked before, and the 85/1.4, the 500AF Reflex, and the 35-105. Everything works as it should. I'll check the other lenses in a few days to be certain, but I don't expect any more problems.
Caveat Emptor! If you decide to buy one, I recommend that you test it with as many lenses as you can lay hands on or buy it from a place that has a return policy. I don't blame KEH for this, I doubt they do more than a cursory connect with one lens, and unless someone is aware they'd never know to look for it.
Bought a used LA-EA4 from KEH in November. It worked fine with my 28-135 and 100-400 but noticed that it worked intermittently with my 35-105. By 'intermittent' I mean it worked at both ends of the zoom and lost contact in the middle. I figured it was probably the lens but contacted KEH to let them know and said I'd test a few more lenses before I sent it back for exchange. Holidays came and got in the way, and since it was working with my EDC lenses, I forgot about it until I bought another A-mount. When I mounted the lens, it wouldn't communicate at all. This led me to check all of my A-Mounts and record the results.
This table shows the results. The far right column shows compatibility with each lens and this camera/adapter combination, and the second column from the right shows how the lens functioned with the A7IV/LA-EA5.
Sony A7RIII and LA-EA4 | ||||
Lens | AF | Aperture | W/A7IV and LA-EA5 | Sony Compatibility |
50 Macro | No | No | X | X |
50 | X | X | X | X |
85 | No | No | X | X |
28-135 | X | X | X | X |
100-400 | X | X | X | X |
100-200 | X | X | X | X |
70-210 | Intermittent | Intermittent | X | X |
35-105 | Intermittent | Intermittent | X | X |
75-300 | Intermittent | Intermittent | X | X |
500 Ref | No | X (fixed @ f/8) | X | X |
80-200 HS G | X | X | X | X |
The 70-210 was really weird in that it would work at both ends and for a brief zone in the center but would lose contact at about 1/3 and 2/3 zoom.
So, I contacted KEH and they replaced it under warranty. (yay!) The new one arrived yesterday. This morning I tested it with the 28-135 and 100-400, which both worked before, and the 85/1.4, the 500AF Reflex, and the 35-105. Everything works as it should. I'll check the other lenses in a few days to be certain, but I don't expect any more problems.
Caveat Emptor! If you decide to buy one, I recommend that you test it with as many lenses as you can lay hands on or buy it from a place that has a return policy. I don't blame KEH for this, I doubt they do more than a cursory connect with one lens, and unless someone is aware they'd never know to look for it.