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.
Focusing and mechanical design
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.
Imaging configuration
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.
Additional specifications
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
56055
Data sheet
Aperture
60 mm
Backfocus
143 mm from the 2" receptacle - 158 mm from the M54x0.75 female thread
Dew shield diameter
80 mm
Focal length
360 mm
Focal ratio
f/6
Focuser
Dual-speed rack and pinion focuser with ball bearings
Manufacturer listed equipment
TS Optics 60 mm f/6 PhotoLine Apo - RED-Line Finder shoe included - mounted on the focuser
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
