TS-Optics CF-APO 102 FPL55 Triplet OTA This 102 mm FPL55 air-spaced triplet has a 714 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 102 FPL55 Triplet OTA · Specifications checked against manufacturer data on 2026-11-04
This 102 mm FPL55 air-spaced triplet has a 714 mm focal length and f/7 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Focusing and mechanical design
The original model has a 3.7-inch dual-speed RAP focuser with 100 mm travel and M92, M82 and M63 female imaging threads.
Imaging configuration
With the focuser retracted, backfocus is 153 mm from the 2-inch socket, 178 mm from M63, 193 mm from M82 or 200 mm from M92. These reference surfaces must not be confused with the sensor spacing of an optional corrector.
Original TSCFAPO102 documented in the manufacturer display-item listing because the former regular URL now serves SR102GPS with different mechanics. Only original-model hardware specifications are used. Display condition, price and missing case/certificate do not describe this store product. Implausible 40 mm tube diameter omitted.
Additional specifications
Lens
Multi-coated APO triplet lens with two special glasses
Backfocus with focuser retracted
153 mm from the 2" receptacle, 178 mm from the M63 thread, 193 mm from the M82 thread, 200 mm from the M92 thread
Eyepiece side connections
M92x1, M82x1 and M63x1 female threads, 2" and 1.25" connection
Focuser connection thread
M102 × 1 female at tube rear
70044
Fiche technique
Diamètre
102 mm
Pare-buée
Retractable, 122 mm diameter
Verre ED
FPL55
Focale
714 mm
Rapport F/D
f/7
Porte-oculaire
3.7" RAP ball bearing rack and pinion focuser with two speed adjustment
Course du porte-oculaire
100 mm
Référence fabricant
TSCFAPO102
Modèle
TS-Optics CF-APO 102 FPL55 Triplet OTA
Tube
CNC metal tube
Longueur du tube
650 mm
Poids
Approximately 6 kg
Références spécifiques
MPN
TSCFAPO102
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TS-Optics CF-APO 102 FPL55 Triplet OTA This 102 mm FPL55 air-spaced triplet has a 714 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 102 FPL55 Triplet OTA · Specifications checked against manufacturer data on 2026-11-04
