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Takahashi
FSQ-106N (Retractable Lens Shield)
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The
FSQ-106N is Takahashi's 4" astrograph. The optics produces a wide flat field with very low field
curvature and astigmatism. An 88m image circle allows use of 35mm SLRs as well as 64 and 67 formats
with full illumination |
 |
Optical Tube
Assembly |
| Effective Aperture |
106mm |
| Optical
Design |
Fluorite
Apochromat Modified Petzval Quadruplet |
| Focal
Length |
530mm |
| Focal
Ratio |
F/5.0 |
| Resolution |
1.09" |
| Limiting
Magnitude |
11.9 |
| Image
Circle |
88m - 44mm w/ Extender Q |
Photographic
Field |
9.5° - 3° w/ Extender Q |
Tube
Diameter |
Ø114mm |
| Tube
Length |
650 - 560m (Lens Shield Retractor) |
Tube
Weight |
6kg
(13.2lbs) |
| Finder
Scope |
7x50
6.3° |
FSQ-106N Part Numbers |
| TQK10600 |
Tube Assembly Complete |
| TQK10610 |
Main Tube Only |
| TKA00552 |
7x50 Finder Scope |
| TKA00563 |
7xs50 Finder Bracket |
| TKA23420 |
Tube Holder |
|
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Copyright 2003-2006
Astro Scientific Centre Pte Ltd
