The #19805 FLI Atlas mount allows Optec equipment with an OPTEC-3600 receiver such as the TCF-S3 and IFW-3 to be connected to the FLI Atlas Zero-Tilt Adapter. 

Specifications

Compatible With

• TCF-S3 series focuser,
• Pyxis 3" rotator,
• Perseus 4-port instrument selector,
• Any OPTEC-3600 receiver.

• Outside Diameter: 4.45" (113mm)
• Overall Height: 0.74" (18.8mm)
• Clear Aperture: 3.2" (81.3mm)
• Weight: 3.2 oz (90.7 g)
• Back-focus Usage: 0.08" (2.03mm)
• Telescope Side Connection: FLI Atlas ZTA
• Camera Side Connection:: OPTEC-3600 Dovetail
• Drawing