Standard refracting lens barrel that can be used for a wide range of purposes
Uses an easy-to-use achromatic lens. A standard refracting lens barrel that can be used for a wide range of purposes.
Lens barrel
Effective diameter of objective lens |
81mm / achromat, multi-coat |
Focal length (aperture ratio F) |
910mm (F11.2) |
Resolution / limit grade |
1.43 seconds, 11.3 etc. |
Condensing power |
134 times the naked eye |
Size / weight |
Length 890 mm, outer diameter 90 mm / 3.5 kg (main body 2.5 kg) |
Finder |
XY spot finder (1x) |
Eyepiece
Parts mounting size |
Screw-in / 60mm / 42mm T-ring screw insertion / 50.8mm Note 31.7mm (with flip mirror) |
Other
Plates, bands, etc. |
Lens barrel band, attachment plate WT |
photography |
Enlargement, direct focus, compact digital camera (colimate) shooting possible * A separate camera adapter etc. is required. |
Sun observation |
Can be used with the solar projection plate B set (sold separately) |