Lens Board Canon Aperture Control d4 gp 5 cm extension bracket with

5 cm extension bracket with 25 cm monorail and monorail stop

Electronic aperture control for Canon EF lenses in 1/3 stop increments

or F-Classic D 5x7 with asymmetrical monorail for the best choice in portability

180-480 mm recommended lens range with flexibility for movements when using lenses with at least a 163 mm image circle

Normal bellows for 5x7 format - 141 Series view cameras

Lens Board Canon Aperture Control d4 gp 5 cm extension bracket withMounts Canon lenses to ARCA SWISS 6x9 cameras Electronic aperture control for Canon EF lenses in 1 3 stop increments Provides infinity focus with digital backs, FujiFilm GFX 50, and most mirrorless cameras OLED display provides aperture and focal length information Includes an external rechargeable compact battery and mini USB cable Compatible with ARCA SWISS M Line and F Line 6x9 cameras Compatible with R Line cameras using the R Line Canon aperture