R Lens Board - Pentax 645 bayonet ground glass 5 cm extension bracket with

5 cm extension bracket with 20 cm monorail and monorail stop

Designed for use with 4x5 film or 4X5 Graflok roll film backs

Features a target bullseye level on the quick release for accurate leveling

Pico system lens board for Mamiya 645 lenses and Phase One blue and silver ring lenses with electronic interface for aperture control

Professionally inspected and graded pre-owned item

R Lens Board - Pentax 645 bayonet ground glass 5 cm extension bracket withFor Pentax 645 FA lenses Bayonet adapter lens board for Rm3di, RL3di, or Factum cameras only Requires 20. 5 extension when used with a digital back Extension not required when using GFX 50R as the capture device For manual aperture control lenses only Mounts to the R Line camera TUM helical, red dot to helical white dot SKU: 017245