TS-Optics CD-APO Deluxe 155 OTA This 155 mm FPL55 and lanthanum air-spaced triplet has a 1240 mm focal length and f/8 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Manufacturer model: TS-Optics CD-APO Deluxe 155 OTA · Specifications checked against manufacturer data on 2026-11-04
This 155 mm FPL55 and lanthanum air-spaced triplet has a 1240 mm focal length and f/8 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Focusing and mechanical design
The original Deluxe model uses a 3.7-inch dual-speed RAP focuser with 360° rotation, 100 mm travel and M63/M92 imaging connections.
Imaging configuration
A removable 100 mm extension changes available backfocus from 140 to 240 mm. The original tube weighs 13 kg. This is the original TSAPO155f8 specification, not the newer Sky Rover replacement.
Original TSAPO155f8 FPL55/lanthanum model recovered from manufacturer display-item documentation. The former regular URL now serves SR155GPS. Display-item condition and package omissions are not assigned to this store product; original case dimensions are a reference, not a claim that the display item supplies a case.
Additional specifications
Lens
Triplet lens, air-spaced
Special glasses
FPL55 and lanthanum glass
Cell
Adjustable cell - reinforced
Connection on the tube for adapting individual focusers
M124x1 female thread
Connector extension tube
length 100 mm - removable - this extends the working distance to 240 mm.
TS-Optics CD-APO Deluxe 155 OTA This 155 mm FPL55 and lanthanum air-spaced triplet has a 1240 mm focal length and f/8 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Manufacturer model: TS-Optics CD-APO Deluxe 155 OTA · Specifications checked against manufacturer data on 2026-11-04
