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Total weight (including handle & dovetail plate)
the X-Cel utilizes extra low dispersion (ED) glass on its most highly curved surfaces
[Above] Spectral response (% transmission vs
李昂 | IC443、NGC 2175 | ASKAR SQA55 + ZWO ASI2600 MC Air
For globular clusters (e
Seestar S50 Dew Shield with Bahtinov Mask GPS Total weight (including handle &Metal dew shield with laser cut acrylic bahtinov mask for the SeeStar S50. The dew shield fits the front aperture of the SeeStar S50, and the bahtinov mask can be easily places on the end of the dew shield using the included alignment pegs. The dew shield will also accept a 2" threaded filter, but it is very difficult to install or remove. See the separate SeeStar S50 filter adapter for an easier option. The metal dew shield extends 1. 5" to act as a
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