Products
TSA-120 Tube assembly ONLY (w retractable lens shade)
TTK12010
Enquiry Item
The Takahashi TSA-120 is a triplet APO refractor. The Ortho-Apochromatic Triplet Lens incorporates an FPL-53 Extra-low Dispersion glass element.
Enquire for more information or email us specifics at sales@astro.com.sg.
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TSA-120S Tube assembly (with retractable lens shade)
![](\"image/catalog/product/takahashi-TSA-102SBT2J-big.jpg\") | TSA stands for \"Triplet Super Apochromat\" and it represents the latest in Takahashi\'s superb continuing lineup of super Apochromatic refractors.
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Components :
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![](\"image/catalog/product/takahashi-tsa102.jpg\") |
![](\"http://astro.com.sg/images/specification-tab.gif\") | Optical Tube Assembly |
| Effective Aperture | 120mm |
| Optical Design | Triplet Super Apochromat |
| Focal Length | 900mm |
| Focal Ratio | F/7.5 |
| Resolution | 0.97\" |
| Limiting Magnitude | 12.1 |
| Focal Length w Reducer (TOA) | 672mm |
| Focal Ratio w Reducer (TOA) | F/5.6 |
| Star Image w Reducer | 8 microns (centre), 35 microns (edge) |
| Photographic Field w Reducer | 5° to 3.6° from 60% to 100% illumination |
| Focal Length w 35 Flattener (TOA) | 800mm |
| Focal Ratio with 35 Flattener (TOA) | F/7.84 |