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Hello, I was looking to get a magnifier for my Leica M10. From what I've read, it seems that Leica changed the threading in the eyepiece, so the 1.25x and 1.4x magnifiers they sell won't fit without an adapter. Am I correct about this? Are there any magnifiers available for the m10 that don't require an adapter? it seems silly to spend $100 just to be able to use a little glass lens that already costs $400 (yes I know, it's Leica). Thanks!

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Think twice about spending a considerable amount on a magnifier - many users find them not very effective or even counterproductive. In most cases a dioptre works much better.

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+1....My 1.25 magnifier sits in a drawer.  But, yes, the M10 VF has a larger diameter than prior versions, requiring either an adapter or new accessories (including diopter). 

It’s also critical to correct any vision problems (including astigmatism) first, before considering a magnifier, which will just magnify any issues. 

Jeff

Edited by Jeff S
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Leica had enlarged the diameter of M10 eyepiece, so now it's much more comfortable to use than the previous M.

As I had already the magnifier x 1.25 and  x 1.4 , I acquired quickly the adapter with ref. 24001 which is expensive for what it is,

12mm to 14mm metal ring.

As said in previous posts, the lost of contrast while using the magnifier can diminish it's usefulness and for me no enhancement of accuracy in focus.

Only if to be able to frame better with 75mm/90mm/135mm , that is the only times I use one magnifier on M10.

I use even with my Elmarit 2.8/135mm with it's x1.5 magnifier already there and 90 frame lines.

 

As side note, with my Noctilux 1.0/50 and Summilux 75mm, I don't see much improvment in focus accuracy with the superb M10's viewfinder..

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1 hour ago, Jeff S said:

+1....My 1.25 magnifier sits in a drawer.  But, yes, the M10 VF has a larger diameter than prior versions, requiring either an adapter or new accessories (including diopter). 

It’s also critical to correct any vision problems (including astigmatism) first, before considering a magnifier, which will just magnify any issues. 

Jeff

Exactly! I offered mine for sale - no takers :(

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vor 4 Stunden schrieb a.noctilux:

As side note, with my Noctilux 1.0/50 and Summilux 75mm, I don't see much improvment in focus accuracy with the superb M10's viewfinder..

I can confirm that 100%. I would even go the route, that I had way worse accuracy. 

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I have one, the 1.4x which I primarily use on an M2 but I also have there 24001 adaptor kit that allows the magnifiers to fit the M10.

 

One thing that needs to be understood is that when using one it will also magnify any calibration issues that your rangefinder may have, in short if you shoot 90mm and above it could help you, if you only shoot up to 75mm, don't bother for the M10.

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A few months ago I got a 135mm Elmer and couldn’t reliably hit focus. Maybe 50%. 

No problem with any other lenses. 

At first I thought that there was an issue with the lens and it would require some adjustment at Leica USA. 

After reading a few posts about the magnifier, I ordered one and the outrageously expensive (for a threaded adapter which should come with the magnifier) adapter for the M10. 

What a difference! Now, with the 135, I’m hitting virtually every shot in focus. 

The adapter is VERY small and easily lost. I “permanently” affixed it to the magnifier with a tiny drop of Loctite. 

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I am considering buying a 1.4x magnifier to test my 75 Summilux on a Spyder Lenscal. I find it very hard to set the focus 100 % accurately by just looking into the viewfinder. I also have a Visoflex, but for this use it is of no help.

BTW, does anybody know how Leica performs such a test when a lens is in for service? I guess they have significantly more advanced methods.

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3 hours ago, evikne said:

I am considering buying a 1.4x magnifier to test my 75 Summilux on a Spyder Lenscal. I find it very hard to set the focus 100 % accurately by just looking into the viewfinder. I also have a Visoflex, but for this use it is of no help.

BTW, does anybody know how Leica performs such a test when a lens is in for service? I guess they have significantly more advanced methods.

They have a large target array for testing lenses and they use laser gear, optical benches, etc

The tests do not limit themselves to calibration, but also centering, floating element tolerance within 1/1000th of a mm, etc. The bodies get tested for sensor adjustment within 1/100 of a mm. 

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vor 6 Stunden schrieb evikne:

I am considering buying a 1.4x magnifier to test my 75 Summilux on a Spyder Lenscal. I find it very hard to set the focus 100 % accurately by just looking into the viewfinder. I also have a Visoflex, but for this use it is of no help.

BTW, does anybody know how Leica performs such a test when a lens is in for service? I guess they have significantly more advanced methods.

I couldn’t increase focus accuracy with the 1.4 magnifier. If you like I can sell you mine. I can hit focus amazingly often with my 75 Lux just with the bare RF.

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17 minutes ago, Cronilux said:

I couldn’t increase focus accuracy with the 1.4 magnifier. If you like I can sell you mine. I can hit focus amazingly often with my 75 Lux just with the bare RF.

Thanks! I'll send you a PM if I decide to buy it. But I am not going to use it for ordinary photography, so maybe it's a bit stupid to buy it just for testing purpose.

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In everyday work the 1.4X did not help with my 75mm Summilux because it darkened the view in settings where I needed ƒ1.4. That  rather offset magnification's  advantage.

However in bright light with a high-contrast subject such as the Spyder Lenscal target it will help a lot. Let us know if a gallery solicits your Spyder images for a show. :)

 

Edited by pico
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If the adaptor was sold in just a small plastic bag in a small box it would be relatively cheap, but as its sold in a fine grain leather case that looks to be hand stitched with a leather insert that's cut so it can double as an SD card case, along with the metal tool to fit the adaptor it costs between £42 - £48 here in the UK.

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58 minutes ago, evikne said:

Why doesn't Leica make new versions that fits the M10's viewfinder without adapter?

They’ve done it for the diopters.  Could be that magnifier sales don’t justify the cost.

Jeff

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