Products
TOA-130NS Tube assembly COMPLETE
TOK13000
Enquiry Item
TOA-130S and TOA-130F are Takahashi's new top of the line triplet Ortho-Apochromatic refractors. TOA-130S comes with 2.7" focuser while TOA-130F is equipped with a 4" focuser.
Enquire for more information or email us specifics at sales@astro.com.sg.
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Takahashi TOA-130S and TOA-130F (Retractable Lens Shield)
![](\"image/catalog/product/takahashi-toa130-big.jpg\") | ![](\"image/catalog/product/takahashi-TOA-130S_OTA.jpg\") | |||||||
| TOA-130S and TOA-130F are Takahashi\'s new top of the line triplet Ortho-Apochromatic refractors. TOA-130S comes with 2.7\" focuser while TOA-130F is equipped with a 4\" focuser. This instrument has superb color correction and is ideal for photo/visual/CCD applications.
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Specifications for TOA-130S
Aperture : 130mm
Focal length : 1,000mm
Focal ratio : F/7.7
With Flattener (TOA-FL35)
Focal length : 980mm
Focal ratio : F/7.5
Image circle : φ40mm (60% illuminated)
Photographic field : 2.3°
With Reducer (TOA-RD)
Focal length : 750mm
Focal ratio : F/5.8
Image circle : φ50mm (60% illuminated)
Photographic field : 3.8°
Aperture : 130mm
Focal length : 1,000mm
Focal ratio : F/7.7
With Flattener (TOA-FL35)
Focal length : 980mm
Focal ratio : F/7.5
Image circle : φ40mm (60% illuminated)
Photographic field : 2.3°
With Reducer (TOA-RD)
Focal length : 750mm
Focal ratio : F/5.8
Image circle : φ50mm (60% illuminated)
Photographic field : 3.8°
![](\"http://astro.com.sg/images/specification-tab.gif\") | Optical Tube Assembly |
| Effective Aperture | 130mm |
| Optical Design | Triplet Ortho-Apochromat |
| Focal Length | 1000mm - 754mm w/ reducer |
| Focal Ratio | F/7.7 - F5.8 w/ reducer |
| Tube Diameter | 156mm |
| Tube Length | 1015mm (1145mm extended) |
| Tube Weight | 10.5 kg |
| Resolving Power | 0.89 arc sec |
| Limiting Magnitude | 12.3 |
| Light Collecting Power | 345X |
| Photographic Field | Ø5.3° - 3.8° w/ reducer |
| Finder Scope | 7x50 6.3° |
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