TS-Optics 94EDPH 7-Element - Flatfield Apo w/ 94mm Aperture, f/4.4

The fast flat-field apochromat with 94mm aperture and 414mm focal length was developed by Teleskop-Service for astrophotography.

♦ Opening 94mm

♦ Photographic focal length 414 mm

♦ Fast f/4.4 aperture ratio for short exposure times

♦ 50mm diameter corrected illuminated image field - usable up to full frame

♦ Multi-coated triple APO pure color lens with two ED lenses: color correction comparable to an FPL53 triplet

♦ Screw-in 4-element ED corrector with 55mm working distance from M48 camera connection

♦ 3" RAP rack and pinion focuser with 360° rotation option

♦ 2" and 1.25" observation connections included - 1.25" and 2" accessories can be used

♦ 2" nebula filters can be threaded onto corrector

♦ CNC clamps with shank, search shoe and V-Level dovetail bar are included in delivery

♦ Handle offers adaptation options for guide scope or camera

♦ High quality aluminum transport case

receive it in usually 7 to 9 working days

TS 94EDPH 7-element flat-field apochromat

The TS-Optics 94EDPH is aimed at astrophotographers and nature photographers who also like to observe through a high quality apo. The refractor convinces with its robust mechanical processing and its high-quality 3-element APO lens. The image is free of annoying color errors. The 4-element corrector has been specially developed for this apo and creates a color corrected image field with a diameter of 50mm, ideal for full frame cameras. The fast aperture ratio of 1:4.4 allows for short exposure times. The 94EDPH is a fast apo for astrophotography and observing.

Connecting cameras to the apo:

Simply screw the 2.5" image field corrector into the focuser. An M48x0.75 thread is available on the camera side of the corrector. The working distance from this thread to the camera sensor is exactly 55 mm. This is ideal for all astro cameras and DSLR / SLR cameras. Matching T-rings can be found in the accessories section. The corrector also offers a 2" filter thread on the front of the camera mount. camera.

Attaching the TS 94EDPH to photographic mounts and tripods

The CNC clamp has a GP and EQ5 style dovetail bar at the base. You can attach the telescope to suitable quick-disconnect mounts and travel mounts, such as the Skywatcher Star Adventurer. Matching dovetail clamps can be found in the accessories section. In addition, the rail also has a 1/4" photo tripod thread.

The carrying handle is a true multifunctional piece.

The handle not only makes it easy to mount on the photo tripod, but is also the basis for future adaptations. The handle has a slot and a 1/4" photo tripod thread. You can attach a ball head to it, for example, and mount a second camera in parallel. Next to the carrying handle is a finder shoe for finder scopes, mini scopes guide or direction finders.

Observation by the TS 94EDPH

Of course, the colorless triple lens also offers an excellent base for observation. The high contrast image also ensures a clear image underground, for example when bird watching. The 94mm aperture also shows the crater landscape on the moon or exciting details on the planets of the solar system at night. Many thousands of deep sky objects are also within range of apos. You can use 1.25" and 2" accessories, such as 2" star diagonals.


Aperture: 94 mm
Effective focal length: 414 mm (with corrector)
Effective focal ratio: f/4.4
Objective: Air-spaced triplet objective with two ED elements
Focal ratio of the objective: f/5.5
Corrector: 4-element ED corrector
Focuser: 3" rack and pinion focuser with threaded connection and 2" / 1.25" socket
Focuser travel: 75 mm
OTA weight: 4.1 kg. incl. tube ring, dovetail bar, handle
OTA length: 440 mm min.
Tube diameter: 104 mm
Dew shield diameter: 118 mm
Transport case: 54x24x27 cm (LxWxH), 3.5 kg
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