![T-to-C Adapter](http://starizona.com/cdn/shop/products/t_to_c_adapter_hi_3_2_650x650.jpg?v=1581754216)
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This adapter converts T-threads (M42) to C-threads (1.0"). It has female T-threads on the bottom and male C-threads on the top. The adapter adds 5.8mm (0.228") to the backfocus. This distance is also the backfocus difference between a CS-mount camera (such as a Mallincam) and a standard Starlight Xpress camera, so this adapter is ideal for use if you have both of these cameras and a HyperStar lens or HyperStar lens with our Filter Slider.
Specifications