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E-Clypse MAG 1.25x vs. Lecia 1.25 magnifer


stump4545

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In low light you are better off without a magnifier....It will increase accuracy in good light, , but it will lose brightness and contrast making your canera difficult to focus in adverse light conditions.

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If I use a Noctilux-M 50 mm 1:0.95 Asph pretty much all the time, am I better served with the 1.25× or 1.4× magnifiers?

For a 50 mm lens, the 1.25× magnifier will work better than a 1.4× magnifier. The latter will work, too, and you will be able to see the whole frame (with no glasses)—but just barely so, without any spare space around the framelines, and only with the eye closely pressed to the eyepiece.. With the 1.25×, looking through the viewfinder and composing your image will be much more comfortable.

 

In any case—the single most-important reason for a magnifier reducing contrast is grease. When using a magnifier, make sure the camera's eyepiece and the magnifier's rear element are meticulously clean. And correcting for your individual vision (or lack thereof) is more important than having the viewfinder magnified. So make sure you're using the proper diopter lens. In order to make life more interesting, Leica has decided to include approximately -0.5 dpt of correction in their eyepiece magnifiers. So if you're short-sighted and using, say, a -1.5 dpt diopter lens on your eyepiece when not using a magnifier then you'll need a -1.0 dpt correction lens on a magnifier. If you're far-sighted and using, say, a +1.5 dpt diopter lens on your eyepiece when not using a magnifier then you'll need a +2.0 dpt correction lens on a magnifier.

 

This is true for the Leica magnifiers. I don't know about any 3rd-party eyepiece magnifiers.

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{snipped} In order to make life more interesting, Leica has decided to include approximately -0.5 dpt of correction in their eyepiece magnifiers. So if you're short-sighted and using, say, a -1.5 dpt diopter lens on your eyepiece when not using a magnifier then you'll need a -1.0 dpt correction lens on a magnifier. {snipped}

 

So this finally explains why I wouldn't be without my magnifier LOL! It's correcting my vision and magnifying at the same time :D

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01af, are you sure about the built in diopter -0.5 dpt in the Leica because I just spoke with a dealer and he said there is nothing in the manual about that and he has never heard that?

Yes, I am sure, and yes, the manuals don't mention this.

 

However, to be scrupulous, it's not -0.5 dpt exactly. Instead it's (an estimated) -0.3 or -0.4 dpt (or thereabouts) for the 1.25× magnifier and (an estimated again) -0.6 or -0.7 dpt (or thereabouts) for the 1.4× magnifier. Rounded to the nearest half dpt value, it's about -0.5 dpt for both. If you don't believe me, simply try it out with different diopter correction lenses.

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I permanently use a +0.5 dpt correction lens, in order to compensate that -0.5 dpt built into the viewfinder 01af talked about.

Are you using that correction lens because you actually see better with it, or because someone told you the viewfinder has a -0.5 dpt preset?

 

In this thread, I am not talking about the viewfinder preset but about the Leica magnifiers' presets.

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I toss all the theory and underlying 'science' out the window when it comes to camera visual aids. Eyes are tricky and I find the only way to determine what works for you is to try different options. Even people with similar eye exam results will have different tolerances and preferences. This is true for diopters, magnifiers...and even viewfinders in general.

 

Jeff

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I use a 1.25 Magnifier. Forgot who made it, sorry.

I don't think their are cheap junky Chinese ones yet

so anyone you buy is bound to be very good.

 

The 1.25 cuts off everything wider than 35mm which is

my "normal" shooting lens. Sure, you can shift your eye

around but only in a pinch, if I shoot wider than 35mm

then I remove it.

 

I don't have a more extreme Magnifier to try and see if it

fills your rangefinder with the 50mm view. If you only shoot

with a 50mm like you state then I would pursue the 1.4 Magnifier.

Thats a brilliant idea BTW.

 

Find a dealer who has one and will let you return it if it doesn't work.

You might try eMailing Ken Hansen at: Khpny19(at)AOL(dot)COM.

He's in the USofA. I suspect he only carries the Leica model but

an eMail cost you nothing to find out.

 

Hope this helps!

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I permanently use a +0.5 correction lens, in order to compensate that -0.5 built into the viewfinder 01af talked about.

 

That is not a very good idea, as the - 0.5 is designed into the viewfinder for a reason, to allow you to accomodate the eye to see both the markings and the image sharp.

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That is not a very good idea, as the - 0.5 is designed into the viewfinder for a reason, to allow you to accomodate the eye to see both the markings and the image sharp.

 

I won't discuss that, but it's a fact that with the +0.5 correction lens I see perfectly well, both the world on the other side of the viewfinder and the frames in the inside.

Without it there is a slight unsharpness I rather prefer to avoid.

After testing the +0.5 correction lens in the shop, and realizing how my vision improved, I was informed by the salesperson that the VF has that -0.5.

This is an answer to 01af question as well.

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I tried out many different diopter lenses and both 1.25 and 1.4 Leica magnifiers during a business trip to Hamburg lately and with high hopes, too. To my own surprise I found that neither resulted in a noticeable improvement.

Oh well, the upshot is probably that my eyes are still adaptable enough so at least I know that whatever error remains is mine and not due to a missing piece of equipment.

 

C

 

BTW, very competent and friendly customer service.

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I won't discuss that, but it's a fact that with the +0.5 correction lens I see perfectly well, both the world on the other side of the viewfinder and the frames in the inside.

Without it there is a slight unsharpness I rather prefer to avoid.

After testing the +0.5 correction lens in the shop, and realizing how my vision improved, I was informed by the salesperson that the VF has that -0.5.

This is an answer to 01af question as well.

 

Interesting. That means an Optometrist would find a slght discrepancy in your eyes as well as the view/rangefinder is designed to be the optimum for "standard" eyes.

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I'm positive the -0.5 diopter is mentioned in a lot of the literature, I have certainly read it in more than one place.

 

From the part of Leica's web page where the correction lenses are described:

"it should be noted that the Leica M's viewfinder is preset by default to -0.5 diopters"

 

Leica Camera AG - Photography - LEICA CORRECTION LENSES M

 

Carl

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I'm positive the -0.5 diopter is mentioned in a lot of the literature, I have certainly read it in more than one place.

 

It is worth noting that a moderately negative diopter correction is standard for viewfinders and serves to balance the accommodation differences between the subject and the viewfinder elements.

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