TS-Optics EDPH 94 OTA This 94 mm air-spaced triplet with two ED elements has a 517 mm focal length and f/5.5 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Manufacturer model: TS-Optics EDPH 94 OTA · Specifications checked against manufacturer data on 2026-11-04
This 94 mm air-spaced triplet with two ED elements has a 517 mm focal length and f/5.5 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Focusing and mechanical design
The 3-inch dual-speed rack-and-pinion focuser has 75 mm travel, M74 × 1 female attachment and 2-inch/1.25-inch sockets. Rings, handle and V-style dovetail are listed.
Imaging configuration
The optional TSFLAT25-G2 uses the M74a-M68i adapter and a documented 65 mm M48-to-sensor spacing. The native OTA weighs 4.1 kg including its mounting parts and has a minimum 440 mm length.
Compatibility notes
94 mm native triplet OTA at 517 mm f/5.5.
Additional specifications
Effective focal length
517 mm
Effective focal ratio
f/5.5
Focal ratio of the objective
f/5.5
Drawtube travel
75 mm
Dew cap diameter
118 mm
Transport case
54x24x27 cm (LxWxH), 3.5 kg
69791
Data sheet
Aperture
94 mm
Focuser
3" rack and pinion focuser with M74x1 female thread connection and 2" / 1.25" receptacle
Manufacturer listed equipment
Triplet apochromat with CNC tube ring Carrying handle, V-style dovetail bar, finder shoe Dust caps for objective and focuser Metal dust caps for the corrector 2" adapter for observation Aluminium transport case
Manufacturer part number
TSAPO94
Model
TS-Optics EDPH 94 OTA
Objective
Air-spaced triplet objective with two ED elements
Tube diameter
104 mm
Tube length
440 mm min.
Tube weight
4.1 kg incl. tube ring, carrying handle, dovetail bar
Specific References
MPN
TSAPO94
Used this product? Share your experience with other astronomers.
Comments (0)
No customer reviews for the moment.
Your review appreciation cannot be sent
Report comment
Are you sure that you want to report this comment?
Report sent
Your report has been submitted and will be considered by a moderator.
Your report cannot be sent
Write your review
Review sent
Your comment has been submitted and will be available once approved by a moderator.
TS-Optics EDPH 94 OTA This 94 mm air-spaced triplet with two ED elements has a 517 mm focal length and f/5.5 focal ratio. It is intended for visual astronomy and astrophotography with the appropriate camera train.
Manufacturer model: TS-Optics EDPH 94 OTA · Specifications checked against manufacturer data on 2026-11-04
