Tenpa Magnifying Eyepiece 1.36x for Canon circular Matte with a central fresnel

Matte with a central fresnel spot for easier focusing

so it will produce an edge-to-edge image that takes full advantage of your sensor's resolution

including a few small dings

While it's maybe not the #1 best choice to take along on a brisk casual hike

Tenpa Magnifying Eyepiece 1.36x for Canon circular Matte with a central fresnelThis is a slip on 1. 36x magnifying eyepiece for select Canon cameras. Specifically, this will work on the D30, D60, 300D, 350D, 10, 20, 30, 40, 50, and 60D, 5D MK I and II, and the 1D 1DS MK I and II. This accessory makes it difficult to see the entire viewfinder you've got to peer around to see the corners and edges but does provide a high quality magnified image for precision focusing. In excellent condition, with original box.