QE-0.73X Reducer for FSQ-85ED/106ED Telescopes (TKA36580)
Category: Astrophotography Accessories
Description
The Takahashi 0.73X reducer QE reduces the focal length of the FSQ-106ED (not EDX4) and FSQ-85ED telescopes by 0.73X, increasing the speed of the optical system for astrophotography. The reducer produces a 44 mm diameter image circle that is ideal for larger imaging chips.
Specifications
|
Telescope with Adapter |
FSQ-85ED with QE0.73X RD | FSQ-106ED with QE0.73X RD |
|
Adapter Part Number |
TKA36580 | TKA36580 |
|
Aperture |
85mm | 106mm |
|
Resolution |
1.36" | 1.09" |
|
Limiting Magnitude |
11.4 | 11.9 |
|
Light Gathering Power |
147X | 229x |
|
Focal Length |
327mm | 386mm |
|
Focal Ratio |
f/3.8 | f/3.6 |
|
Image Circle Diameter |
44mm | 44mm |
|
Optical Type |
Double ED Quadruplet | Flourite ED Quadruplet |
|
Tube Diameter |
95mm | 125mm |
|
Tube Length (With Lens hood retracted) |
615mm (525mm) | 675(580mm) |
|
Tube Weight |
3.6kg | 7kg |
|
Recommended Finder |
6x30 | 7x50 |
|
Metal Back Distance of Reducer |
72.2mm | 72.2mm |
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