This adapter mounts any 1.25" filter cell (like the Star Analyser) into a DSLR 42 mm T-Ring that you already own. 

This item is in stock and ships the same day you order.

Refer to our website or photo below to see how it works.

Total distance from the camera sensor to the grating when using a our AD-T2 is about 70 mm. Use this number in our calculator: .