TS-Optics Photoline 110 ED Apo OTA This 110 mm Ohara ED doublet has a 770 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 110 ED Apo OTA · Specifications checked against manufacturer data on 2026-11-04
This 110 mm Ohara ED doublet has a 770 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 2.5-inch RAP focuser provides fine adjustment and 360° rotation, with M68 × 1, 2-inch and 1.25-inch connections.
Imaging configuration
TS lists an optional 1× WiflatM48 at 55 mm M48 sensor spacing and an optional 0.8× TSRED102 giving 616 mm f/5.6 with 55 mm spacing from its T2 camera thread.
Additional specifications
Resolving power
1.09"
Dual speed
yes
Diameter of dew shield
145 mm
52233
Data sheet
Aperture
110 mm
Back focus
125 mm from the 2" barrel
Focal length
770 mm
Focal ratio
f/7
Focuser
2.5" RAP focuser with M68x1 female thread and 2" and 1.25" connections
Limiting magnitude
13.1 mag
Manufacturer listed equipment
110 mm f7 ED Dust caps for objective and focuser CNC tube rings Vixen / EQ5 style dovetail bar
Manufacturer part number
TSED110f7
Model
TS-Optics Photoline 110 ED Apo OTA
Objective
2-element ED objective (Ohara - Japan)
Rotation
360° rotation
Tube diameter
117 mm
Tube length
64 cm length with dew shield inserted
Weight
5,3 kg
Specific References
MPN
TSED110f7
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TS-Optics Photoline 110 ED Apo OTA This 110 mm Ohara ED doublet has a 770 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 110 ED Apo OTA · Specifications checked against manufacturer data on 2026-11-04
