M3 and a 40mm lens
Old 07-15-2012   #1
kshapero
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Question M3 and a 40mm lens

I think this would be quite doable. Anyone tried this?
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Old 07-15-2012   #2
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It should be easy to do. Using tne entire VF is similar to 40mm.
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Old 07-15-2012   #3
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I use this combo a lot- the whole finder trick is about right, and works fine. In practice, though, I just use the 50mm lines and bear in mind that they are only showing me the central three quarters or so of the frame. It's not a great solution for precise framing, but RF shooting never is.
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Old 07-15-2012   #4
semrich
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From time to time I shoot a 40 on my M3 and the whole finder is very close so I put some silver aluminum tape over the frame line window and have no distractions from the 50 frame line. Works well.
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Old 07-15-2012   #5
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Before I sold both my CV Nokton 40mm f1.4 MC and the Leica M3, the lens stayed on the M3 the entire time. The entire VF was a good approximation of the frame, so I loved it. Too bad I couldn't afford to keep the combo...would love to reacquire both again in the near future!
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Old 07-15-2012   #6
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This has come up before with the sam e results -- can't remember who posted those other times -- so can't tell if we're casting a larger net or not, but the answer is stable. I bought an M2 because I wanted something wider than the 50 afforded on the M3, then found a 40 1.4 less expensive than a 35 1.4. Still trying to decide whether to keep the M2.
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Old 07-15-2012   #7
TheHub
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Quote:
Originally Posted by semrich View Post
From time to time I shoot a 40 on my M3 and the whole finder is very close so I put some silver aluminum tape over the frame line window and have no distractions from the 50 frame line. Works well.
That's what I was told and have done. It works out okay.
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Old 07-16-2012   #8
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Well, I might have some anecdotal evidence shortly. Two days back I bought a Rokkor-M 40/F2 (last version) which I am trying out on my M3 and my M6. I found the 35 framelines on the M6 to work quite well--I might just use some gaffer tape to hold the frame selector lever in that position. But my intention is to see if the whole viewfinder on the M3 works as well or better.

I'll try to report back when I've had time to test and analyse the results thoroughly.
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Old 07-16-2012   #9
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Thanks Folks.
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Old 07-16-2012   #10
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Just curious for those who actually have shot with this combo (M3 & 40mm), if there are any significant issues with parallax by using the whole finder?
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Old 07-16-2012   #11
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At 0.7m focus:





Roland.
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Old 07-16-2012   #12
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Was the bottom shot using a 40mm lens? If so this is really good information. Thanks.
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Old 07-16-2012   #13
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Yes, Akiva, M3 on tripod, 40/1.4 Nokton, take frameline photo with iphone, take photo with M3.

Camera is modified, that's why you see the 90mm frameline in the top photo.



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Old 07-16-2012   #14
David Hughes
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Quote:
Originally Posted by kshapero View Post
Was the bottom shot using a 40mm lens? If so this is really good information. Thanks.
Hi,

Look on the web for a Leica CL's manual. There's a picture or two in it showing the frame-lines. Both 40 and 50mm come up together...

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Old 07-16-2012   #15
Murchu
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Quote:
Originally Posted by ferider View Post
At 0.7m focus:





Roland.
Cheers Roland, they say a picture says a thousand words, and your two images are quite enlightening!
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Old 07-16-2012   #16
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I noticed the post by Roland (really appreciate it!) is focused at 0.7m.

I'm guessing the discrepancy of using the entire viewfinder will be reduced when the scene is further, say 1.5m? Any comments?
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Old 07-16-2012   #17
ferider
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Note that the iPhone doesn't show the entire finder.

The way to think about it is like this: roughly, the width of the 40mm frame is the same size as the diagonal of the 50mm frame.

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Old 07-16-2012   #18
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Quote:
Originally Posted by ferider View Post
Yes, Akiva, M3 on tripod, 40/1.4 Nokton, take frameline photo with iphone, take photo with M3.

Camera is modified, that's why you see the 90mm frameline in the top photo.



Roland.
I see, so you actually getting a bit more than the edge of the full sight in the VF.
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Old 07-17-2012   #19
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Quote:
Originally Posted by Murchu View Post
Cheers Roland, they say a picture says a thousand words, and your two images are quite enlightening!
Well, it certainly bodes well for mounting a Pentax 43.
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Old 07-17-2012   #20
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Per everyone else... I shot this combination, framing with the entire VF -just about the easiest M shooting there is!
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Old 07-17-2012   #21
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Quote:
Originally Posted by weihsuan View Post
I noticed the post by Roland (really appreciate it!) is focused at 0.7m.

I'm guessing the discrepancy of using the entire viewfinder will be reduced when the scene is further, say 1.5m? Any comments?

Actually, no, the further away you focus the bigger the discrepancy gets.
A "hands on" way of getting a feel for this phenomenon is by using any SLR (or camera with live view): pick a spot and center the viewfinder, focus from near to far and watch how the magnification of the lens changes. At infinity you will get quite a bit more of the scenery before you in the frame than at the nearest focus distance.

Greetings, Ljós
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Old 07-17-2012   #22
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Quote:
Originally Posted by Ljós View Post
Actually, no, the further away you focus the bigger the discrepancy gets.
A "hands on" way of getting a feel for this phenomenon is by using any SLR (or camera with live view): pick a spot and center the viewfinder, focus from near to far and watch how the magnification of the lens changes. At infinity you will get quite a bit more of the scenery before you in the frame than at the nearest focus distance.

Greetings, Ljós
Maybe this is too much detail: if you run the numbers, a lens that is 40mm long at infinity, reduces its field of view by about 2% at 2m, and 6% at 0.7m.

Roland.
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Old 07-17-2012   #23
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Quote:
Originally Posted by ferider View Post
Maybe this is too much detail: if you run the numbers, a lens that is 40mm long at infinity, reduces its field of view by about 2% at 2m, and 6% at 0.7m.

Roland.
Roland,
for uss RFF nerds there is no such thing as "too much detail" :-) Thanks for the picture and the numbers! :-)

Greetings, Ljós
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Old 07-17-2012   #24
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Hi i use all teh time my rollei sonnar on the m3....i use the FL for precise shooting...to compensate i get closer enough for the lines to be touching the subject...then i never miss a shot.

Very doable....
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Old 07-19-2012   #25
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I've used my 40mm Rokkor-M for a few days now. I still find the 35 framelines on the M6 give me more ease in composition, and a slightly better idea what will actually be on the film than using the whole viewfinder of the M3, although that certainly is doable. I got the same results Roland demonstrated above--even at 2-3 metres, I got a little more on the film than I could see in the whole viewfinder, and you have to look around the edges a lot more than you do with the 35 frames on the M6, where everything fits nicely inside a box that you can easily see all of in the viewfinder.

I followed a hint on another thread and put a bit of gaffer tape over the frameline illumination window, making the 50 framelines disappear. That definitely helps composition a bit--you don't have the relatively thick framelines cutting through your view of what's going to be on the film.
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Old 07-20-2012   #26
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The 50mm framelines I find easy to use with a 40mm lens. I just use them, and figure there will be a bit extra on the side that I can crop out if I want later.

Then again, I'm not super anal retentive about it so I usually don't remember when I get my film back
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Old 12-22-2016   #27
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I've just bought a 40mm Nokton and stumbled across this thread when trying to work out whether to use 50mm or 35mm frame lines. The interesting thing for me is that the M3's 50mm frame almost exactly matches the width of the cropped image when printing on 8x10 paper, at least for the closely focussed image that @ferider provided. I added 8x10 and 12x16 frames so you can compare the viewfinder with the negative. I'd be interested in seeing if this changes at longer focus distances, but if not, it seems that the 50mm frame lines are the one to use if your end product is going to be a 8x10 print.

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Old 12-22-2016   #28
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Nice one - the thread that keeps on giving!
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