TS-Optics CF-APO 130 FPL55 Triplet OTA This 130 mm FPL55 air-spaced triplet has a 910 mm focal length and f/7 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Manufacturer model: TS-Optics CF-APO 130 FPL55 Triplet OTA · Specifications checked against manufacturer data on 2026-11-04
This 130 mm FPL55 air-spaced triplet has a 910 mm focal length and f/7 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
The 3.7-inch ball-bearing rack-and-pinion focuser supports up to 8 kg and offers dual-speed focus, rotation and M92, M82 and M63 threads.
The standard 140 mm backfocus can extend to 240 mm by removing the 100 mm tube segment. The optional matched 0.8× corrector gives 728 mm f/5.6; it is not part of the native optical system.
TS-Optics manufacturer documentation
Original TSCFAPO130. 140 mm backfocus is from the 2-inch receptacle; removing the 100 mm extension increases it to 240 mm. The corrector settings remain separate.
| Extension tube between tube and focuser | M124x1 thread (male/female) with a length of 100 mm and a 1.5 mm undercut on the 8 mm male thread |
|---|---|
| Eyepiece side connections | M92x1, M82x1 and M63x1 female threads, and 2" 1.25" connection |
| Length with dew shield retracted | 85 cm |
| Focuser accessory rating | 8 kg |
| Backfocus without extension | 240 mm from 2-inch receptacle |
Data sheet
Specific References
TS-Optics CF-APO 130 FPL55 Triplet OTA This 130 mm FPL55 air-spaced triplet has a 910 mm focal length and f/7 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Manufacturer model: TS-Optics CF-APO 130 FPL55 Triplet OTA · Specifications checked against manufacturer data on 2026-11-04
