QHYCCD 5-II Monochrome CMOS Planetary Camera & Autoguider - QHY5-II
QHY Large Off-Axis Guider
The QHY OAG comes in three versions to accommodate image sensors of various sizes. All QHY Off-Axis Guiders have the same main body, which includes 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. If you are using the QHYCFW2-L, for instance, it will connect directly to the OAG-L, and you won't need to use the camera side adapter.
The "Large" version of the QHY OAG has a diameter of 68mm and will accept M42x0.75, M54x0.75 and M60x0.75 adapters. It will work with cameras that have larger sensors, such as the QHY(IC)16803, which has a 37x37 sensor. Other suitable CCD sizes include 36.24 or 48x36, although the 50100, which has a 48x36 sensor, would require a special adapter, which is not included in this package.
The QHY OAG has an 8mm x 8mm multi-coated prism. Its position can be adjusted as desired and then locked into position with a thumbscrew. This OAG also comes with a locking multi-thread 1.25" focuser with an approximate range of 6mm. If you use the QHY5L-II as your guide camera, its position is adjustable when inserted into the QHY OAG-L. These two adjustments will give you a wide range of back focus.
Please Note: Choose the Medium version of the OAG if you want to use a camera with an APS-C, APS-H or 36x24 sensor, such as the QHY(IC)16200A, or you have the QHYCFW2-M filter wheel.
- QHY OAG Off-Axis Guider - Large
- Two M42x0.75 Thread Adapters
- Two M54x0.75 Thread Adapters
- Two M60x0.75 Thread Adapters
- M3 Screws
Dimensions & Specifications
DocumentationQHY OAG User Guide - Large Version Not Mentioned
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