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QHY Off-Axis Guider - Small


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Off axis guider includes:

  • Suits cameras with smaller than APS-C sensors

  • Two M42 x 0.75 Adapters

  • Mounting Hardware

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The QHY OAG comes in three versions to accommodate image sensors of various sizes. This is the "small" size.

All QHY Off-Axis Guiders have the same main body, including the prism, but the telescope/camera interface is sized to accept thread adapters of different diameters. Regardless of the diameter of the interface, it has six (6) 3mm holes and, without adapters installed, a thickness of 10mm. Both the telescope side and camera side adapters have a thickness of 3mm. The final thickness of the OAG depends on whether you need to use just the telescope side thread adapter or both adapters.

The "small" version of the QHY OAG has a diameter of 54mm, and only suits M42x0.75 adapters. This means it supports camera models with sensors smaller than APS-C format, which includes the QHY21/22/23, the QHY9, the QHY8/10/12 and any other model that has a sensor size of less than APS-C.

Alternatively, the OAG can be attched directly to the relevant QHY filter wheel.

Table showing small, medium and large OAGs

Telescope Adapter Ring M42/0.75 M54/0.75 M60/0.75
The circle diameter of six M3 screw location 54mm 62mm 68mm
Suitable CCD SIZE 2/3inch APS-C 36x24mm
1inch APS-H 37x37mm
4/3 36x34mm 48x36mm
Weight 127g 145g 149g

Additional Information

Additional Information

Optical Design No
Compatibility No
Focal Length No
Exit Pupil No
Eye Relief No
Field of View (Apparent) No
Number of Elements No
Shipping Dimensions No
Shipping Weight No
Warranty Information No
Additional Specifications of Product No
Loupe Colour No