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.
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.
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.
TS-Optics manufacturer documentation
94 mm native triplet OTA at 517 mm f/5.5. Optional corrector spacing is accessory-specific; aluminium case listing does not imply an included optional field corrector.
| 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 |
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Referencias específicas
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
