Teleskop Service Thin Off-Axis Guider - M48/T2

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Teleskop Service Thin Off-Axis Guider - M48/T2
Item # TS-TSOAG92T
2 Questions(s)

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  • Unique ultra-slim Teleskop Service Thin Off Axis Guider was designed for your M48/T2 camera connection.
    It has only a 9mm optical length... The shortest and slimmest OAG created for flattener / corrector combinations or short back focus systems!
    The Teleskop Service Thin Off Axis Guider - M48/T2 eliminates the need for a guiding scope and puts less of a load on your telescope's mount.
    Guiding accuracy is increased because there's no flexure between the main and guiding scope.
    With the Teleskop Service Thin Off Axis Guider - M48/T2 the off-axis port can be focused independently from the main camera.
    Suitable for even 35mm sensors and large aperture telescopes!


Teleskop Service Thin Off Axis Guider - M48/T2

The TS Off Axis Guider has only a 9mm optical length - the shortest OAG by TS. It's ideal for all telescopes with short back focus or for flattener / corrector combinations. It works with large aperture - suitable even for 35mm sensors and very versatile

Guiding using an off-axis-guider has many advantages. You do not need a guiding scope (= less load for the mount) and guiding accuracy increases because threre's no flexure between main- and guiding scope. Addtional errors like mirror shifts are corrected, too.

Main charecteristics of the TSOAG9:

  • extremely short back focus: only 9 mm from the 2" barrel to the T2 thread on the camera side
  • large free aperture (45 mm). Even bigger camera sensors can be used without vignetting
  • very versatile due to a wide variety of adaptation options on both sides
  • off-axis port can be focused independently from the main camera
  • the prism's position can be shifted - for a wider field to find guiding stars

The short design TSOAG9:

Our TSOAG9 is very short. So it can be used even with short back-focus systems. It can be combined with correctors, too: The corrected star image will be used for guiding and the guiding accuracy is increased accordingly.

Technical details of the TSOAG9:

  • optical length with 2" telescope receptacle: 9mm (2" nosepiece TSVF230 needed aditionally)
  • optical length with M48 telescope receptacle: 11.2mm
  • telescope side: very short 2" nosepiece and M48 x 0.75 fem. thread
  • camera side: T2 (M42x0.75) male thread (adapter rotatable by 3x 120)
  • free aperture: 45mm
  • distance prism to T2 guiding port: 26mm - 38mm
  • distance prism to OAG front side: 6.7mm
  • distance prism to OAG back side: 4.5mm

Adapting the TSOAG9 to your telescope:

One of the OAG9's big advantages is its wide range of adaptation options. You can attach it to nearly any telescope system:

  • Adaptation to 2": Adapter TSVF230
  • Adaptation to M48: included in standard delivery
  • Adaptation to T2: BA2458110
  • Adaptation to SC thread: TSSC-M48
  • Adaptation to TeleVue Paracorr: TSTV-M48A
  • Adaptation to Vixen Reducer for VMC and VC Cassegrains: TSViRed-M48

Adapting the TSOAG 9 to your camera:

  • Adaptation to T2 (M42x0.75): included
  • Adaptation to M48: TSOAG9-M48
  • Adaptation to M42x1: TSOAG8-M42

With a short addtional T2 adapter, you can rotate your camera: TST2WE

The guiding port with its T2 thread allows attaching all common auto guiders. They can be focused by moving the T2 connector.

  • T2: included in standard delivery
  • Adaptation to 1": TST2-1-T2s
  • Adaptation to C-Mount: T2-Cs

Recommended auto guiders:

Because of its extremely short design, the OAG9 cannot be rotated freely (3 positions in 120 steps are possible). Therefore the range of suitable guiding stars is a little bit limited. So you need a sensitive autoguider. These auto guiders have been tested by us successfully:

  • Starlight Xpress LODESTAR
  • Moravian G0-0300
  • Lacerta M-Gen (Stand Alone - no computer needed)

Teleskop Service Product Number: TSOAG92T
Additional Information

Additional Information

Manufacturer Teleskop Service
Warranty 2 Year Warranty
Included Items

Included Items

  • Teleskop Service Thin Off-Axis Guider - M48/T2
Questions & Answers

Product Questions

I have two telescopes: a Stellarvue SV105T refractor (f/7, 735mm f .l.) and a Meade SN110 Schmidt Newtonian (f/4,1016mm f.l.). I also have a Starlight Express Lodestar autoguide camera and plan to do astro imaging with my Nikon D5300. The SV105T has the Stellarvue SV2.5" focuser. The SN10 has aa Moonlite focuser. Can this OAG be used with both telescopes with proper adapters, extension rings, etc? What if I use a Baader coma corrector with the SN10?I have spoken with Chris previously, but that was before I acquired the D5300 and the Lodestar autoguider.
What would be needed to use this with a Televue 85>0.8X FR/FF>Canon DSLR?  Is it possible to configure for that setup? Thank you
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