Thumbs Up EP-10S- Black Gifts_For the M Photographer extendable by rotating Dimension and

extendable by rotating Dimension and weight:  Length 47 mm  Largest diameter approx

8 aperture stops

allowing for backlit shots with crystal clear contrast

This optic is also equipped with a long 20mm eye relief and click-stop eyecups that twist up to create a comfortable viewing distance for almost any observer

On the other hand

Thumbs Up EP-10S- Black Gifts_For the M Photographer extendable by rotating Dimension andThis is a demonstration store. You can purchase products like this from Leica Store Miami. The Thumbs Up EP 10S is designed for the M (Typ 240), M P (Typ 240), and M Monochrom (Typ 246). Thumbs Up EP 10 S (M240) has a ergonomic profile. The thumb rest is angled at 22 degrees, and this shape distributes the pressure from your thumb more uniformly. This refinement allows you to hold your camera extremely rigidly, yet with great comfort. Thumbs Up EP 10S