Hoodman CH32 Compact Hood Loupe m42 4 aperture- great for depth

4 aperture- great for depth of field control or low-light shooting

Good diaphragm

The Mercury II is a unique 35mm half-frame camera that uses a movie camera-style rotary shutter

a Nikon 18

It's not the fanciest camera out there

Hoodman CH32 Compact Hood Loupe m42 4 aperture- great for depthThe Hoodman CH32 Compact Hood Loupe is a well made magnifier for DSLR screens up to 3. 2" across (or anything else that needs a bit of magnifying). This loupe collapses down to nearly half its full size for easy transport. Includes standard eyecup, teardrop eyecup, and an official "Hoodloupe Mounting Cord" (it's a bungie cord.) In excellent condition.