Viewing Loupe + Baseplate + Extra High Frame (1D etc.) RS-RC Accessories It works equally well with

It works equally well with digital backs

This allows for the use of a wider aperture and slower shutter speed

55 mtr Image circle of lens at f/8  90mm

+6/-6 degrees

as an example of use

Viewing Loupe + Baseplate + Extra High Frame (1D etc.) RS-RC Accessories It works equally well with*Special Order Cannot Be Returned Key Features For Canon 1Dmk4 Series 3x Magnification Loupe Schneider Kreuznach Optics Adjustable Diopter Bracket Mounts Frame without Glue The Cambo CS 34 HDSLR Viewing Loupe 3 Set features a 3x magnification loupe, made from Schneider Kreuznach optics. An adjustable diopter allows the user to customize the loupe for their vision. The included bracket enables attachment to the camera's tripod mount, avoiding having to