645-0.7X Reducer for FSQ-130ED Telescopes (TKA38580)
Category: Astrophotography Accessories
Description
The Takahashi 645 Reducer 0.7X reduces the focal length of the FSQ-130ED telescopes by 0.7X, increasing the speed of the optical system for astrophotography. The reducer produces a 70 mm diameter image circle that is ideal for larger imaging chips.
Specifications
|
Telescope with Adapter |
FSQ-130ED with 645-0.7X RD |
|
Adapter Part Number |
TKA38580 |
|
Aperture |
130mm |
|
Resolution |
0.89" |
|
Limiting Magnitude |
12.3 |
|
Light Gathering Power |
345X |
|
Focal Length |
455mm |
|
Focal Ratio |
f/3.5 |
|
Image Circle Diameter |
70mm |
|
Optical Type |
Triple ED Quintuplet |
|
Tube Diameter |
156mm |
|
Tube Length (With Lens hood retracted) |
830mm (700mm) |
|
Tube Weight |
12.7kg |
|
Recommended Finder |
7x70 |
|
Metal Back Distance |
74mm |
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Express Shipping · United States: $3.99
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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