TS-Optics Photoline 60 FPL53 Red OTA This 60 mm FPL53 and lanthanum air-spaced doublet has a 360 mm focal length and f/6 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Manufacturer model: TS-Optics Photoline 60 FPL53 Red OTA · Specifications checked against manufacturer data on 2026-11-04
This 60 mm FPL53 and lanthanum air-spaced doublet has a 360 mm focal length and f/6 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Its ball-bearing rack-and-pinion focuser provides dual-speed adjustment, 2-inch and 1.25-inch sockets and an M54 × 0.75 female thread.
The sliding dew shield gives a 230 mm transport length and the tube weighs 1.5 kg. An optional TSFLAT60 preserves 360 mm f/6 and provides a manufacturer-stated 41 mm corrected field.
Technical table gives 143 mm backfocus from 2-inch socket and 158 mm from M54; prose elsewhere says 135 mm. Table values are retained and the discrepancy remains explicit.
TS-Optics manufacturer documentation
Technical table gives 143 mm backfocus from 2-inch socket and 158 mm from M54; prose elsewhere says 135 mm. Table values are retained and the discrepancy remains explicit.
| Eyepiece side connections | 2", 1.25" and M54x0.75 thread (female) |
|---|---|
| Transport length with retracted dew shield | 230 mm |
| Width with fine focusing cover | 140 mm |
| Height with finder shoe screws | less than 125 mm |
Data sheet
Specific References
TS-Optics Photoline 60 FPL53 Red OTA This 60 mm FPL53 and lanthanum air-spaced doublet has a 360 mm focal length and f/6 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Manufacturer model: TS-Optics Photoline 60 FPL53 Red OTA · Specifications checked against manufacturer data on 2026-11-04
