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.
Camera and visual use
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.
Original model documentation
Specifications below describe TSCFAPO70. The manufacturer link now shows its Sky Rover successor; replacement specifications have been excluded.
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.
Additional specifications
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
70672
Datasheet
Opening
70 mm
Cameraschroefdraad
M54 × 0.75 female
Dauwkap
Retractable; screw lock
Diameter dauwkap
88.5 mm
Brandpuntsafstand
420 mm
Openingsverhouding
f/6
Focuser
2-inch rack-and-pinion; fine adjustment; 360° rotation
Model
TSCFAPO70
Objectief
Air-spaced FPL55 triplet; multicoated
Tubus
CNC metal; internal baffles
Tubusdiameter
76 mm
Tubuslengte
300 mm
Visuele aansluitingen
2-inch and 1.25-inch
Dit product gebruikt? Deel je ervaring met andere astronomen.
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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
