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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
16 Twilight Factor 32
25 arcsec RMS (EC)
The entire telescope kit weighs just 3
25” or 11” Schmidt-Cassegrain or EdgeHD optical tube
Bahtinov Focusing Mask Ritchey-Chrétien 16 Twilight Factor 32The new Optical acrylic sheet offers 92% of light transmission that gave you the highest and brightest diffraction Spikes for Focusing about 3 times brighter than traditional bahtinov masks! Includes metal pegs to hang the mask over the front dew shield while focusing. Select the size appropriate for your telescope or lens. Model MM Inches BM DS GR45 75 110 2. 9 4. 3 BM DS GR55 105 148 4. 1 5. 8 BM DS GR90 172 235 6. 7 9. 2 BM DS GR150 243 308 9. 5
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