TS-Optics Photon 200 f/5 OTA This PHOTON Newtonian combines a 200 mm (8") aperture with a 1000 mm focal length at f/5. Its parabolic primary mirror and fast optical geometry support deep-sky imaging and visual astronomy.
Manufacturer model: TS-Optics Photon 200 f/5 OTA · Specifications checked against manufacturer data on 2026-11-04
This PHOTON Newtonian combines a 200 mm (8") aperture with a 1000 mm focal length at f/5. 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 metal tube is fitted with a 2" Crayford focuser with 1/10 dual speed transmission. 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.
Exact named TS manufacturer model and its published technical table checked. Unpublished dimensions, capacities and package items are not inferred.
Additional specifications
Field illumination
28 mm diam. (100%) - ideal for APS-C format sensors with matching coma corrector
Dimensions of tube
length 900 mm, diameter 230 mm
Size package
31 cm x 40 cm x 100 cm
Total weight
12.2 kg
Manufacturer listed equipment
Photon 200 mm f/5 Newtonian with tube rings and 8x50 finder 2" Crayford focuser with 1:10 dual speed transmission and reducer to 1.25" 2" extension tube 35 mm for easy reaching of the focus when observing Dust covers, 12 V primary mirror fan Vixen/EQ5 style dovetail bar - length 335 mm Collimation manual
7745
Datasheet
Opening
200 mm (8")
Brandpuntsafstand
1000 mm
Openingsverhouding
f/5
Focuser
2" Crayford focuser with 1/10 dual speed transmission
Artikelnummer fabrikant
TPM8F5
Model
TS-Optics Photon 200 f/5 OTA
Hoofdspiegel
Parabolic primary mirror with 94% enhanced reflectivity coatings and quartz layer
Vangspiegel
63 mm diameter (minor axis) with 94% enhanced reflectivity coatings and quartz layer
Steunvlak aan de onderkant van de buisringen
Flat support surface with an M6 thread
Steunvlak aan de bovenkant van de buisringen
Flat support surface with a 1/4? internal thread (tripod socket)
Gewicht tubus
9 kg with rings and finder
Specifieke referenties
MPN
TPM8F5
Dit product gebruikt? Deel je ervaring met andere astronomen.
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TS-Optics Photon 200 f/5 OTA This PHOTON Newtonian combines a 200 mm (8") aperture with a 1000 mm focal length at f/5. Its parabolic primary mirror and fast optical geometry support deep-sky imaging and visual astronomy.
Manufacturer model: TS-Optics Photon 200 f/5 OTA · Specifications checked against manufacturer data on 2026-11-04
