Canon LTM 1.8 on a Canon 35 1.8 - does it click?

[kurtsk8board]

I hope my question makes sense... I just received a canon LTM 35 1.8 that I bought off of ebay. I noticed when I open the lens to f 1.8 it doesn't "click" into this setting it just reaches the end of the range of motion. There is a click on the other end at f22. It seems very easy for the lens to slide out of 1.8 and into f2.

Is this how all of them are? Or is something in need of adjustment on my lens. I notice that the click stops feel pretty loose.

Kurt

 

[raid]

Mine clicks. I just checked the lens.

 

[crawdiddy]

mr sk8board, you lucky dog! i've been seeing those auctions, but decided they're out of my price range. please tell us how you like it (other than the lack of detent at 1.8).

 

[Al Kaplan]

Going from f/1.8 to f/2 is only 1/3 of an f-stop. I doubt that you'll miss the speed if you ended up at f/2 by accident.

 

[John Shriver]

It was designed to have a click at 1.8. Having just torn down a Canon 50/2.8, I know how the click could be missing. There's a fork connected to the aperture ring, which goes to the actuating pin on the iris ring. There's also a bronze spring pushing the ball-bearing for the click stops. Both of these can be adjusted side-to-side. If the fork is in the wrong place, the ball can't hit the last click groove.

But, these two also are the aperture calibration, so that f/2 is really f/2. So one doesn't want to blindly tinker them too much, else you will have a lens that over or under-exposes if you're not using a TTL light meter. The sequence is that you adjust the fork to make the apertures accurate, and then adjust the bronze spring so that the detents are exactly on the f-stop marks.

I scribed the location of both of these arms before removing them on my 50/2.8. Perhaps someone failed to do that working on your 35/1.8?

Does anything need to be done about this? No. If you have anything done, it should be done by someone who can do it right, with the apertures accurate.

Nice lens the 35/1.8, enjoy it.

 

[kurtsk8board]

Thanks for your responses. I'm using it on an Epson R-D1s which is my first rangefinder camera. I happen to have the Canon 35 f2 as well and i'm trying to figure out which lens to keep. The f2 seems to feel slightly better in my hands - the f stop clicks are more solid and the focus action is smoother. Not sure if that slight advantage in handling outweighs the slight speed advantage. Decisions, decisions...

Kurt

 

[januaryman]

Thanks for your responses. I'm using it on an Epson R-D1s which is my first rangefinder camera. I happen to have the Canon 35 f2 as well and i'm trying to figure out which lens to keep. The f2 seems to feel slightly better in my hands - the f stop clicks are more solid and the focus action is smoother. Not sure if that slight advantage in handling outweighs the slight speed advantage. Decisions, decisions...

Kurt

When you're ready to dump the 35/2.0, give me a holler. I'll take it off your hands for a reasonable amount.

 

[Sonnar2]

Happy New Year to all of you CANON RANGEFINDER friends.

My 35/1.8 clicks at f/2 and at f/1.8, but not so distinct.
The black 50/1.8 does click at f/1.8 and f/2.0.
The 35mm opens very little from f/1.8 to f/2.0, less than the 50mm.
The 85/1.8 clicks at f/1.8 and f/2 too, but opens more, and the aperture ring turns a lot more, simply because it's bigger.
If one sees a problem in there he should dismount the front part of the lens to lock whether there is a nut for the clicking ball present or not. Sometimes these rings are designed with two nuts and balls to click and one is missing. Anyway the lens can be used like the others, it's more a matter for collectors.
One of the lens catalogues shows a sketch of a 35/1.8 on title (no photograph) with no f/2 stop at all, but it's possible as well that no single lens was produced this way. In a rough attempt all black Canon lenses had clickstops wide open (the 85/1.9 clicks at f/1.9 but has no stop at f/2; the Mirror-Box lens 135/2.5 also had a f/2.5 and f/4 but no f/2.8 stop)

Good night.