Accessory - Extension ring 0.5 mm

Extension ring 0.5 mm
Short description:

26 x 31 x 0.5 reduces the minimum object distance (MOD)

Order number:

  • reduces the minimum object distance (MOD) for entocentric lenses
  • reduces the working distance for telecentric lenses
  • enlarges the magnification
  • shortening the working distance by approx. the thickness of the intermediate ring divided by the square of the magnification of the respective objective lens
  • compatible with C-mount and CS-mount lenses
  • usable in any combination

Technical data
Material (Housing)Aluminum, matte black (anti-reflective)
Weight2 g
Outer diameter31 mm
Inner diameter26 mm
Thickness0.5 mm
Change in optical path length0.5 mm
Extension rings are mounted between the lens and camera. The effective f-number may differ from the f-number set on the lens.
Dimensional drawing in mm