The "lens barrel" is a tube containing "high -precision optical lenses and reflective mirrors" to collect weak light from the stars and get an enlarged image.In other words, it is a part that can be said to be the body of the astronomical telescope.In Vixen, the lens barrel alone can be replaced according to the differences in situations and applications such as astronomical observation with the eyes and photography of astrophotical photos using a camera, and upgraded to a larger lens barrel.Many are also available.- Effective diameter 103mm/three -piece ed lens apocromart, multi -coat Focal length (caliber ratio f) 825mm (F8) Resolution/Extreme grade 1.13 seconds, 11.8 stars light -collecting power 217 times the naked eye Size/Weight Length 670⇔ 762mm outer diameter 115mm 6.4kg (main unit 4.6kg) Finder Dark view 7 times 50mm real view 7 degrees parts mounting size (including screw) 60mm/42mmT ring screw, (insertion) 50.8mm (50.8mm eyepiece lens is used separately optional parts) ・ 31.7mm (with flip mirror) Plate band, etc. Lens barrel band, attachment plate WT, metal carry handle Photography Enlargement, impatient, compact digital camera (cramate) can be taken * Separate camera adapter is required Observation of the sun Solar projection B set (sold separately) is possible (short -time observation)
