TS-Optics Photon 154 Carbon OTA This PHOTON Newtonian combines a 154 mm (6") aperture with a 600 mm focal length at f/4. Its parabolic primary mirror and fast optical geometry support deep-sky imaging and visual astronomy.
Manufacturer model: TS-Optics Photon 154 Carbon OTA · Specifications checked against manufacturer data on 2026-11-04
This PHOTON Newtonian combines a 154 mm (6") aperture with a 600 mm focal length at f/4. Its parabolic primary mirror and fast optical geometry support deep-sky imaging and visual astronomy.
Optics and illumination
The manufacturer specifies 94% enhanced mirror reflectivity with a protective quartz layer. Secondary-mirror size and illuminated-field figures are specific to this aperture; the table distinguishes fully illuminated field from partial illumination where TS publishes both.
Focusing and tube
The carbon fibre tube is fitted with a 2" Monorail focuser with 1/10 dual speed, adapter to 1.25" and compression ring. Use the published dimensions and assembled-weight configuration when selecting a mount; cameras and other added equipment contribute further load.
Imaging configuration
A suitable coma corrector is optional for wide-field imaging. Native focuser backfocus is available mechanical travel/spacing, not automatically the sensor-spacing requirement of a chosen corrector. Keep primary and secondary collimation aligned for the installed camera train.
Additional specifications
Tube dimensions
Length 550 mm, diameter 178 mm
57275
Data sheet
Aperture
154 mm (6")
Backfocus
Working distance ca. 70mm from the 2" connection of the focuser
Focal length
600 mm
Focal ratio
f/4
Focuser
2" Monorail focuser with 1/10 dual speed, adapter to 1.25" and compression ring
Limiting magnitude
12.7 mag
Manufacturer listed equipment
TS Photon 6" f/4 Newtonian with carbon composite tube Tube rings 2" extension tube 35 mm for visual observing Dust cover for the front opening 8x50 finder with quick release
Manufacturer part number
TPC6F4
Model
TS-Optics Photon 154 Carbon OTA
Primary mirror
Parabolic primary mirror with 94% reflection and protective quartz layer
Resolution
0.77"
Secondary mirror
70 mm minor axis with 94% enhanced reflection and protective quartz layer
Support surface on the bottom of the tube rings
Flat support surface with an M6 thread
Support surface on the top of the tube rings
Flat support surface with a 1/4? internal thread (tripod socket)
Tube weight
4.8 kg with tube rings and finder
Specific References
MPN
TPC6F4
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TS-Optics Photon 154 Carbon OTA This PHOTON Newtonian combines a 154 mm (6") aperture with a 600 mm focal length at f/4. Its parabolic primary mirror and fast optical geometry support deep-sky imaging and visual astronomy.
Manufacturer model: TS-Optics Photon 154 Carbon OTA · Specifications checked against manufacturer data on 2026-11-04
