Optec - Pentax Threaded Mounting Ring for IFW.

OPTEC - Pentax Thread Mounting Ring

This Pentax Thread mount allows IFW and MaxFilter systems, which use a 2-inch mount thread, to be directly connected to equipment that uses Pentax threads connections.

• Outside Diameter:  2.9" (73.6mm)
• Overall Height: 1.2" (30.5mm)
• Clear Aperture:  1.38"  (35mm)Weight: 4.64 oz (131.5 g)
• Back-focus Usage: 0.7" (17.78mm)
• Telescope Side Connection:  2" Mount Thread
• Camera Side Connection:: Pentax Threads

 If your camera or accessory is not listed, do not hesitate to call.  Optec isconstantly adding new adapters to our catalog.