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Description/Uses:

• 2" SCT Visual Back: SCT Thread-to-2" Eyepiece Barrel Adapter
• Convert the SCT male thread on the rear of SCT scopes (sold by Meade, Celestron and others) to a standard 2" eyepiece barrel
• Allows you to use standard 2" refractor accessories like diagonals, photo adapters, etc. on your SCT
• Has a standard SCT female thread (2", 24-TPI) on one side and 2" eyepiece holder on the other

Features:

• Precision machined from aluminum and black anodized
• Large, dual thumbscrews for a more secure grip for heavy accessories
• Features a brass compression ring so the inserted accessory will not be scratched or dented by the locking thumbscrew

Specifications:

• Total length = 48mm (1.89")
• Maximum diameter (excluding thumbscrews) = 62mm (2.44")
• Length of SCT female thread = 8mm (0.31")
• Weight = 3.7 oz

Thread Specifications:

• SCT thread = 2", 24-TPI Female
• Thumbscrews = M4 Male

Additional Information:

• May not thread on a few older Celestron SCTs from the 1980s that did not have a standard SCT male thread
• With this visual back in place, you cannot use SCT-type diagonals. Use of this accessory requires a refractor-type diagonal