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Next Stargazing Feb 18th
Next Stargazing Feb 18th

4.2mm Filter Slider Adapter

In Stock
In Stock!
This adapter adds 4.2mm to your Starizona Filter Slider making it 21.7mm in total length, compensating for the .7mm that a standard Filter adds to your backfocus. This should be used to replace a 21mm ZWOT-to-T adapter with the Starizona Filter Slider .