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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
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).
Tube Weight of the OTA is only 12.5lbs!
The TSA-120 is the second triplet apochromat in the TSA Series. Its superb color correction will provide high contrast images with pin point stars across the field.
The compact size of 28” allows the TSA-120 to be easily transported to remote sites.
TSA-120 System Chart
What's in the Box
Based on Astronomy magazine’s telescope
scopes of this size and type generally perform as follows . .