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7Å SE Hydrogen Alpha
Recommended distance to focal plane: 55mm from male T flange
Positions: Minimum two
A 406mm mirror collects more than 2
Has female 1
Astrozap Celestron 11" EdgeHD & CGE Flexible Dew Shield with Bottom Notch Gold 7Å SE Hydrogen AlphaFlexible Dew Shield If you are looking for a perfect fit, a quality build, and an affordable all in one single product for passive dew fighting, the Astrozap Flexible Dew Shield is what you need. Flexible Dew Shield Features: All Night Clarity. No more ruined sky parties resulting from dew build up or excess stray light. Enjoy long and clear observation sessions. Passive Dew Fighter. The product's physical design will eliminate dew from forming on
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