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| p.666 #4 · Leica M8/M9/X1 Picture Thread |
I can't say I have an issue with hitting correct infinity focus with the 21 Lux, SEM, 28 Cron 50 Lux ASPH or 90 Summarit. At least I haven't noticed it. After the first time I had the 50 Lux serviced by Leica it came back not able to reach infinity. I had it re-serviced and now no problem.
Yeah, when I was at Steve Cameras's getting some other lenses worked on, Steve warned me about some of the older model Leica 35s, in regards to infinity on the M9, and I just smiled and told him that I'd keep that in mind, not telling him that I already had the 35/2 IV coming to me in the mail!
Steve said that most didn't notice the issue on film, but it's been more of an issue with digital M users. Sure enough, infinity was off when I received the lens, and DAG optimized it for f2 when I sent it to him for CLA, so it still focused well past infinity at f5.6. Still, without live view, it takes a bit of work to really determine how incrementally off things can be, and I have a feeling we'll start hearing even more about it, now that the M 240 has the capability to check focus with live view.
Great pics, everyone!
Having checked thru the few shots that I have from my V4, I can say that it has no issue with correct focus at close up and infinity, wide open, at F/5.6 or stopped down. The lens performs as it should.
It seems to me that if a lens reaches infinity incorrectly wide open, then it is out of adjustment. It could be the rangefinder mechanism is out in the middle distances, and I understand that this can be quite common. I have also heard from various repair people that the focusing ramp on older lenses may have been filed, as a cheap way to mod a lens to a particular body.
When you talk about focusing past infinity, I am assuming that you mean that your lens is achieving infinity focus prior to the infinity mark. If this is so, is the lens focus at its minimum distance short as well? This would indicate that the mount is out and should be replaced? Perhaps a trip to Leica for coding and repair might be in order, it would be interesting to see if they can fix it.