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Takahashi FSQ-106N (Retractable Lens Shield) Discontinued
Enquiry Item
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
Enquire for more information or email us specifics at sales@astro.com.sg.
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Takahashi FSQ-106N (Retractable Lens Shield)
![](\"image/catalog/product/takahashi-fsq106-big.jpg\") | 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.
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![](\"image/catalog/product/takahashi-FSQ106_OTA_Extended.jpg\") | ![](\"image/catalog/product/takahashi-FSQ106_OTA_Retracted.jpg\") |
![](\"http://astro.com.sg/images/specification-tab.gif\") | 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° |
![](\"image/catalog/product/FSQ106_system_chart.gif\")