10x De-Luxe Achromat loupe/comparator brand_Sigma The Nikon Series E 50mm

The Nikon Series E 50mm f1

The Canon Top Shot is a 35mm point-and-shoot camera with a 38mm f2

Allows for more precise reflected light measurement

It's approximately 3" long overall with just about 1

The included Nikon 50mm f2 Nikkor lens has a touch of internal dust

10x De-Luxe Achromat loupe/comparator brand_Sigma The Nikon Series E 50mmWell, I don't know who made this loupe, but it's pretty nice: it's a clean 10x achromat with excellent sharpness, and it includes two comparator discs if you're planning to use it as a pocket comparator. It's an excellent loupe, with a transparent skirt that makes it suitable for reflective or transmissive materials. Includes case.