TS-120 120 APO Refractor with 3-inch FeatherTouch Focuser from SI
Takahashi
From $6,020.00
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In stock
The Takahashi TSA-120 is a portable 120mm air-spaced ED triplet apochromatic refractor featuring a 3-inch FeatherTouch focuser from Starlight Instruments. This f/7.5 optical system delivers exceptional high-contrast images free from chromatic aberration, making it excellent for lunar, planetary, and deep-sky observing and imaging. The telescope combines Takahashi's renowned optical quality with a compact, lightweight design that achieves near-perfect optical performance comparable to their flagship TOA series, while remaining easy to transport and mount on modest equatorial systems.
Specifications
| Focal ratio | f/7.5 |
| Aperture | 120 mm |
| Back Focus | 230 mm |
| ED Glass Element | FPL-53 |
| Weight | 6.7 lb |
| Multicoated Optics | ✓ |
| Focuser Type | 3-inch FeatherTouch (Starlight Instruments) |
| Tube Diameter | 125 mm |
| Resolution | 0.97″ |
| Tube Length Retracted | 870 mm |
| Retractable Dew Shield | ✓ |
| Light Gathering Power | 293 |
| Optical Type | ED Triplet Apochromatic |
| Limiting Magnitude | 12.1 |
| Tube Length Extended | 990 mm |
| Focal length | 900 mm |
| Focuser Secondary Type | 2.7-inch rack and pinion |
| Dew Shield | ✓ |