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Hi,
I found you comment very relevant.ka7197;426 wrote: The M body is a bit difficult to hold, in particular with a heavy lens … but the Thumbs Up doesn't appeal to me. I don't like the idea of putting constant torque on the hotshoe, and I also heard from users who have dented their camera's top cap where the Thumb Up's curved part touches the body.
A hand grip would change the shape and the size of the M body, so I was hesitant to acquire one of those, too … until I actually tried one. Since then, the grip has hardly ever been removed from the camera (except for tripod work). It's the original Leica Hand Grip M for me. While for example the RRS grip looks more elegant, I do like the way how the fingertips can slide a tiny bit into the gap between the Leica grip and the body.
I also use the Leica eyepiece magnifiers—1.25× for 50 mm and 75 mm lenses; 1.4× for 90 mm and 135 mm lenses. Please note that the magnifiers bring along a bit of negative diopter correction; they are not optically neutral! The Leica M's eyepiece has a built-in base setting of -0.5 dpt which to the normal-sighted user means the viewfinder elements (framelines, focusing patch, LED elements) will appear at a virtual distance of 2 m. The magnifiers add approx. another -0.5 dpt or so to that. For a younger, normal-sighted person this will hardly make any difference. For a person with a bit of hyperopia or presbyopia, it might strain the eye. For the naked eyepiece, I can get away with no diopter correction but using a +1 dpt correction lens makes focusing a bit easier for me (I am slightly hyperopic). With the 1.25× magnifier, I definitely want to use the +1 dpt diopter lens. With the 1.4× magnifier, I even use a +1.5 dpt correction lens because the built-in negative correction is even slightly greater than in the 1.25× magnifier. So the +1.0 dpt correction lens mostly lives on the 1.25× magnifier, and the +1.5 dpt correction lens always lives on the 1.4× magnifier.
A diopter correction built into the eyepiece and/or the magnifiers would make life much easier … at least, the low-figure positive screw-in correction lenses (+0.5, +1.0, +1.5 dpt) don't take away anything from the viewfinder's field-of-view (don't know about the higher-strength or the negative correction lenses).
I already bought a +1 correction lens to be able to use my M9 without glasses ( I suffer of a small presbyopia resulting in a mandatory +0.5 correction).
I sometimes used a 1.4 magnifier for an Apo-Telyt 135mm but it happened to me that I was sometimes “out of focus” (despite the magnifier and in spite of the +1 lens coreection).
Your comment about the non neutrality of the 1.4x magnifier is true: I bought yesterday a +1.5 correction lens and admit that the focusing (with my 1.4x magnifier) is now accurate.
Based on your comments, I thought I would need a +2 correction but I tested it and it revealed to be too strong and fuzzy to my eyes. Conclusion: the +1.5 correction lens is the best relevant correction for the 1.4 magnifier !
It also proves that adding a 1.4 magnifier needs a +0.5 diopter correction lens.
Best regards
