TS-Optics CF-APO 70 FPL55 Triplet OTA A compact apochromatic refractor for visual observing and imaging. Its adjustable, temperature-compensated lens cell houses the original FPL55 optical design.
Manufacturer model: TSCFAPO70 — original FPL55 · Specifications checked against manufacturer data on 2026-11-04
A compact apochromatic refractor for visual observing and imaging. Its adjustable, temperature-compensated lens cell houses the original FPL55 optical design.
The geared focuser accepts threaded camera adaptations. Optional TSFLAT72 and TSCFRED70 correctors are documented with 55 mm sensor spacing from M48; check the selected configuration before assembly.
Specifications below describe TSCFAPO70. The manufacturer link now shows its Sky Rover successor; replacement specifications have been excluded.
TS-Optics manufacturer documentation
Original FPL55 model verified from the search-indexed manufacturer document retrieved 4 November 2026. The live URL now serves SR70GPS/FCD100: its revised hardware and mass are excluded. Original source prose incorrectly mentions M92; the technical table and corrector documentation specify M54 × 0.75. Correctors are optional; use the selected corrector's spacing.
| Mass | 2.6 kg (published weight) |
|---|---|
| Focuser load | Up to 6 kg |
| Native backfocus | Approximately 140 mm from M54 |
| Case size | 410 × 260 × 190 mm |
| Listed contents | OTA, rings, handle, Vixen-style rail, case |
| Optical test | Individual certificate and serial number |
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