TS-Optics Photoline 102 OTA This 102 mm FPL53 and lanthanum air-spaced doublet 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 Photoline 102 OTA · Specifications checked against manufacturer data on 2026-11-04
This 102 mm FPL53 and lanthanum air-spaced doublet 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 Photoline tube uses a 2.5-inch dual-speed rack-and-pinion focuser. TS documents the same OTA within its corrected photographic bundle.
Imaging configuration
This listing is the native OTA; a bundled corrector is not assumed. The original source is internally inconsistent: prose gives 714 mm native focal length while its table gives 711 mm. The optional corrector uses 55 mm spacing from its M48 camera connection.
Original TSAPO102F7 OTA identified in TS’s own corrected-bundle documentation. Only OTA data and separately labelled optional corrector information are used. Manufacturer prose says 714 mm native focal length while table says 711 mm; unresolved. The newer SR102GPA is not substituted.
Additional specifications
Native focal length
714 mm in manufacturer prose; 711 mm in technical table (unresolved discrepancy)
Thread for corrector
M63 × 1
Optional imaging corrector
Matched 0.8× three-element corrector; 55 mm sensor distance from its M48 × 0.75 thread
Corrector not assigned to OTA package
Manufacturer source describes a corrected bundle; this record is the native OTA
61222
Datasheet
Opening
102 mm
Diameter dauwkap
121 mm
Focuser
2.5-inch dual-speed rack-and-pinion
Artikelnummer fabrikant
TSAPO102F7
Model
TS-Optics Photoline 102 OTA
Montage
CNC rings and GP/EQ5-style dovetail; finder shoe
Native openingsverhouding
f/7
Objectief
Air-spaced FPL53 / lanthanum SD doublet
Gewicht optische tubus
4.1 kg
Transportlengte
600 mm
Specifieke referenties
MPN
TSAPO102F7
Dit product gebruikt? Deel je ervaring met andere astronomen.
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TS-Optics Photoline 102 OTA This 102 mm FPL53 and lanthanum air-spaced doublet 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 Photoline 102 OTA · Specifications checked against manufacturer data on 2026-11-04
