ZWO 2" M42 Filter Drawer - FD-M42-II
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This ZWO filter drawer accepts 2" threaded filters and has M42 threads. The 2" filter drawer features a design that guards against light leak when taking long exposures.
Magnets are used too keep the filter drawer closed, and a lock screw on the side near the knurled knob of the drawer allows you to adjust the tension of the holder to eliminate gaps. A M48 to M42 adapter is included in the box.
Diameter: 70 mm
Thickness: 21 mm
External Threads: M42x0.75 Male for Camera Side
Internal Threads: M48 x 0.75 Female thread for Telescope Side
Compatibility: 2" astronomical filters with APS-C cameras. Use the M54 Filter Drawer (sold separately) for full frame cameras.
The proper filter holder for this drawer is the F-HLDR-DSLR.