Skip to content
Stargazing Aug 31st ✦ 7pm-10pm
Stargazing Aug 31st ✦ 7pm-10pm

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 .