For those who wear glasses

It is true that this eyepiece lenses reduce the size of the target. I removed them before finding that it was not a good idea because then the target is too broad and must move slightly or crush his eye (my glasses, in this case) to observe the corners of the image in the viewfinder.

So I handed the two lenses and I found it very well in the first test, but for development and optimal framing, this is not ideal either. So I will again remove the lenses because remove all the eyepiece would be even more unpleasant, again because of my glasses that I can not withdraw (I'm what you might call "bigleu" without them).

The other concern is that, by dint of being mounted, removed, reassembled ... the eyepiece not held in place perfectly. So do not do as I do, as far as possible, once mounted leave it in place.

I put four stars anyway because I find enjoyable the comfort of the extra centimeter of the eyepiece. Pending better ...

Correction: After 2 years of use, and after many times almost lost this eyepiece, I finally fix it with an adhesive of about 5mm wide. Well done, it's invisible. I recommend it personally if you do not want to lose. And then I finally found my happiness by combining this eyepiece a dioptric adjustment. And when I say my happiness, it is not a figure of speech! More glasses glued to the viewfinder, the feeling of comfort is obvious!
There are two caveats, however, with this system: the first, another person can not use my device as I have also fixed the corrector not to lose the set, unless the correction will also matches the view said person. The second, obviously, I have to remove my glasses when I take a picture. But frankly, it's still much better than taking his photos with glasses!