Let's see your Leica M

Having slogged through multiple pages on this thread I was struck by the surprising number of 40mm lens, from various sources.
Surprising to me, anyway.


Also, gratifying since 40mm and its equivalents have been a favorite of mine for decades but thought myself an odd duck because of it.
20mm 1.7 on m4/3
27mm on APC,
80mm on 6x7
On occasion even Nikon's excellent 35mm 1.8 DX on the D800E, cropped to 40mm to eliminate the dodgy edges.


Thanks to all of you who contributed the many, many inspiring and fascinating M portraits!
 
Having slogged through multiple pages on this thread I was struck by the surprising number of 40mm lens, from various sources.
Surprising to me, anyway.


Also, gratifying since 40mm and its equivalents have been a favorite of mine for decades but thought myself an odd duck because of it.
20mm 1.7 on m4/3
27mm on APC,
80mm on 6x7
On occasion even Nikon's excellent 35mm 1.8 DX on the D800E, cropped to 40mm to eliminate the dodgy edges.

Totally OT, but if you're a 40mm connisseur, you owe it to yourself to try the Pentax 43/f1.9 Limited ;)
 
Never used it but know it has a sterling reputation.
Thanks for the reminder, Nick.
and, appropriately for this thread, I understand "some" were made in M mount.
 
Yep there was a native, rangefinder-coupled LTM version of the 43mm Limited, labelled as the SMC Pentax-L 43/f1.9 Special (from that wonderful era when many of the Japanese manufacturers were releasing special editions in LTM).

It has a special place in my very short wishlist :)
 
I once compared the 43/1.9 with the Summicron-C 40/2. I could not detect any observable differences, but I did not make any prints. Both lenses are superb lenses.
 
I have this lens in both Pentax K-mount and Leica thread mount, a favorite for its pleasant rendering. It has 7 elements in 6 groups arranged similarly to Pentax 50mm lenses; half-stops to f/16 with 9 diaphragm blades. Surprisingly longer than the 40mm M-Rokkor, but of course its optics were originally designed for clearing an SLR mirror, glass well-recessed at the rear. Thus it performs very well on digital RF cameras. It is 47.8mm long at infinity with the M bayonet-mount adapter in place. Features a focus tab. Worth noting is modest amount of barrel distortion.
 
I have been recently rediscovering my Pentax lenses, including a Pentax-M 50/1.4 in M mount. I just love the images from this lens.
 
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