TOA-35 Field Flattener for TSA-120 and TOA-130N/150B Telescopes (TKA31582)
Category: Astrophotography Accessories
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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