Description
The Takahashi TOA-35 Flattener corrects the field on TOA and TSA telescopes for visual use. The image circle produced by the flattener is 40 mm, with star images of 2 microns in the center and 8 microns at the edge of the field.
Specifications
Telescope with Adapter |
TOA-35 with TSA-120 | TOA-35 with TOA-130NS/NFB | TOA-35 with TOA-150B |
Adapter Part Number |
TKA31582 | TKA31582 | TKA31582 |
Aperture |
120mm | 130mm | 150mm |
Resolution |
0.97" | 0.89" | 0.77" |
Limiting Magnitude |
12.1 | 12.3 | 12.7 |
Light Gathering Power |
293X | 345X | 460X |
Focal Length |
880mm | 980mm | 1080mm |
Focal Ratio |
f/7.3 | f/7.5 | f/7.2 |
Image Circle Diameter |
40mm | 40mm | 40mm |
Optical Type |
ED Triplet | Doublet ED Triplet | Doublet ED Triplet |
Tube Diameter |
125mm | 156mm | 179mm |
Tube Length (With Lens hood retracted) |
990mm (870mm) |
NS: 1145mm (1012mm) NFB: 1155mm (1022mm) |
1270mm (1110mm) |
Tube Weight |
6.7kg |
NS: 10.5kg NFB: 12.3kg |
15.2kg |
Recommended Finder |
7x50 | 7x50 | 7x50 |
Metal Back Distance |
117.5mm | 117.5mm | 117.5mm |
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