mikeadams Posted April 9, 2007 Share #1 Posted April 9, 2007 Advertisement (gone after registration) Colleagues, I have a pretty good lens on a iiif, the f2, 50MM Summitar, and I am able to put it on the M8 using the adapter ring I got with the CV 15, and the lens focuses using the rangefinder. But I'm afraid to "collapse" the lens into the body for fear of hitting and damaging the curtain. It looks like that when collapsed the rear does not go any father than the CV 15 into the body, but before I collapse it, push it in, does anyone have this experience? Thanks, Mike http://www.mikeadams.org Link to post Share on other sites More sharing options...
Advertisement Posted April 9, 2007 Posted April 9, 2007 Hi mikeadams, Take a look here 1950s f2 50MM Summitar on M8?. I'm sure you'll find what you were looking for!
wparsonsgisnet Posted April 9, 2007 Share #2 Posted April 9, 2007 Mike, what other users have recommended is tying something around the callapsing lens barrel -- so that it cannot retract fully: shoestring, whatever. The "obstruction" around the collapsing barrel will keep the last 2mm from closing inside the M8. This will keep it from hitting the shutter. Link to post Share on other sites More sharing options...
craigrmurray Posted April 9, 2007 Share #3 Posted April 9, 2007 Mike: I don't have your particular lens, but I would not collapse any lens into the M8. Look in your M8 handbook at it will tell you on Pp. 86 that no lens should be collapsed into the M8 except for the 90mm f4.0 Macro-Elmar-M. Either stick a piece of 3/8" wide Dymo tape or a wide rubber band around the barrel of your lens so that you cannot collapse the lens when mounted. There are two threads right now on this forum that show damaged shutters, which may or not have been done so by collapsing lenses -- but, no matter how they got damaged, you don't want to do it. Plus, if you returned your camera to Leica for warranty service, I doubt they'd honor your warranty if they determined that the shutter was damaged by collapsing a mounted lens. Link to post Share on other sites More sharing options...
mikeadams Posted April 9, 2007 Author Share #4 Posted April 9, 2007 Thank you for your wise comments. I will find a way to limit the barrel retraction, maybe a decorative black tape to match the black body!! I am so very cautious with this camera, but I cannot afford the lens collection I want, having only the 35MM ASPH Sum f2 that I got for M6 and M7, and the inexpensive CV 15. Good to be part of a very civilized forum/community. Mike http://www.mikeadams.org Link to post Share on other sites More sharing options...
J_Brittenson Posted April 9, 2007 Share #5 Posted April 9, 2007 Yeah, put something around the inner barrel to keep it from collapsing all the way. You'll have some difficulty finding a hood and IR filter for it though, both of which are pretty much mandatory IMO. (Hood for the lens since it flares like crazy, and an IR filter for the M8.) Link to post Share on other sites More sharing options...
wparsonsgisnet Posted April 9, 2007 Share #6 Posted April 9, 2007 Check the diameter of the lens and get one of the metal ones on eBay. Inexpensive -- and they protect the lens from impact. Just think, something on your Leica that didn't cost 3 or 4 figures. Imagine that. Link to post Share on other sites More sharing options...
wag Posted April 10, 2007 Share #7 Posted April 10, 2007 Advertisement (gone after registration) I have a 1939 collapsable f2 50mm Summitar which I use often on the M8. I collapse it regularly with no problem. I did however measure the clearances first to make sure there would be no problem. The lens barrel collapses 5/8"outside the camera. The distance to the shutter is 7/8" The lens protrudes 1/4" beyond the bayonet adaptor. By the way, I love the lens which I got on EBAY for $200. brad wagstaff Link to post Share on other sites More sharing options...
gurtch Posted April 11, 2007 Share #8 Posted April 11, 2007 A little off topic I guess, but I just received from KEH a 1930s uncoated 50mm f2 Summar in "UG" condition ($99). Actually the glass is beautiful. I put it on the M8, and shot some close ups at f2. The light areas have a beautiful "glow" around them. I'm going to a wedding this weekend, and I am taking this lens. Hopefully I can get a window light shot of the bride with this lens wide open (It's an indoor wedding and reception). Could be a neat picture, compared to my modern lenses. The main reason I bought the lens is to shoot seascapes in the fog with the lens wide open, to get that "dreamy" look. I plan on putting a piece of plastic hose on the barrell so it will not collapse by acident. Regards Dave G Link to post Share on other sites More sharing options...
andybarton Posted April 11, 2007 Share #9 Posted April 11, 2007 Do collapsable lenses pump air into the camera body when they "collapse". My 560 telyt with the trombone action focussing is brilliant at shifting around a pint of air into the R8 body each time it is focussed, along with all the dust that goes with it... At least I can remove the back on the DMR to remove this dust from the sensor Link to post Share on other sites More sharing options...
jaapv Posted April 11, 2007 Share #10 Posted April 11, 2007 Yeah, put something around the inner barrel to keep it from collapsing all the way. You'll have some difficulty finding a hood and IR filter for it though, both of which are pretty much mandatory IMO. (Hood for the lens since it flares like crazy, and an IR filter for the M8.) IR filter - any size special order with Foto Huppert. My 41 mm 486 for the Summarit took three weeks to arrive. I have a 41 mm UV pass filter (how is that for exotic? ) on order now. ETA three weeks. Price: modest. Link to post Share on other sites More sharing options...
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