Takahashi - TSA-120 Triplet Apochromatic Refractor Optical Tube Assembly

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The TSA series is a member of Takahashi’s line of triplet refractors.  In the TSA design, an ED glass lens is placed between two lenses, with air spacing in between.  The resulting system achieves a high level of apochromatic performance for both visual observation and imaging.

SKU: TAK-TTK12010
Manufactured by:
Takahashi
 

Product Description

Takahashi TSA-120 Triplet Apochromatic Refractor Optical Tube Assembly

The TSA series is a member of Takahashi’s line of triplet refractors.  In the TSA design, an ED glass lens is placed between two lenses, with air spacing in between.  The resulting system achieves a high level of apochromatic performance for both visual observation and imaging.

The TSA-120 is a 120 mm apochromatic f/7.5 refractor with a focal length of 900 mm. It features a retractable lens hood and a 2.7 inch rack and pinion focuser. The TSA is compatible with several flatteners, reducers and extenders, including the TOA-35 Reducer, which converts the telescope to a f/5.3 imaging platform with a 44 mm image circle.

Optical Tube Assembly only (mount, tripod, tube holder and finder sold separately).

Specifications

Name Takahashi - TSA-120 Triplet Apochromatic Refractor Optical Tube Assembly
Manufacturer Takahashi
Model TAK-TTK12010
Manufacturer Part # TAK-TSA0120
In The Box Takahashi TSA-120 OTA 2.7" Focuser 72mm extension tubes 2" Compression ring ocular adapter 1.25" compression ring adapter w/coupling Finder quick release bracket Metal focuser rear cover and 2" sleeve
Aperture 120mm
Backfocus Distance 227.50mm
Light Gathering Power 293x
Limiting Stellar Magnitude 12.1
Optical Design Flourite ED Triplet
Optical tube diameter 125mm
Optical Tube Length 990mm with dew shield
Optical Tube Weight 14.8 lbs.
Resolution .97

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In the Box

Takahashi TSA-120 OTA
2.7" Focuser
72mm extension tubes
2" Compression ring ocular adapter
1.25" compression ring adapter w/coupling
Finder quick release bracket
Metal focuser rear cover and 2" sleeve

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