The #19834 OPTEC-4300 to female AP2.7 threaded receiver allows any combination of the Astro-Physics 2.7-inch spacers to be easily installed on the camera side of the Gemini Focusing Rotator.

Compatible With 

• Astro-Physics 2.7" Threaded Spacers
• Any AP2.7 male thread adapter.

Specifications

• Inside Diameter: AP2.7 Thread
• Outside Diameter: 4.95" (125.7mm)
• Overall Height: 0.22" (5.65mm)
• Clear Aperture 2.51" (63.8mm)
• Weight: 6.2 oz (180 g)
• Back-Focus Usage: 0.1" (2.5mm)
• Drawing