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This 3.5"" End Cap fits the 3.5"" Feather Touch focusers and is used with Astro Physics 2.7"" male threaded accessories.

This threaded end cap can also be used with the Baader quick lock accessory which uses the A/P thread.

It is machined of the highest quality aluminum and finished in our shop, keeping the same beautiful look and high precision quality that Starlight Instruments is known for.


Known To Fit 2.7"" Male threaded A/P Accessories
Use with FTF3500 Series
Draw Tube Thread 4.125X24TPI
Accessory 2.7"" x24 tpi Female Thread