QHY Off-Axis Guider - Large
Starting Price: $249.00 Sale Price: $187.00
Price as Configured: $187.00
Brand: QHYCCD / SKU: QHY-OAG-L (100075)
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The QHY Off-Axis Guider (OAG) has three models (QHYOAG-S,QHYOAG-M,QHYOAG-L).
This product is the Large version.
| Model | QHYOAG-S | QHYOAG-M | QHYQAG-L |
| Telescope Interface | M42/0.75 | M54/0.75 | M62/0.75 |
| Diameter of 6 x M3 screw hole positions | 54mm | 62mm | 68mm |
| Suitable for CCD/CMOS Size | 1inch or smaller | 4/3 inch
APS-C, APS-H, 36 x 24mm |
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The main purpose of the OAG is to use the same optical path as the main camera. This avoids the problem of differential deflection that can occur when using a separate optical system for guiding. This method provides more accurate guiding and sharper images. QHYOAG includes a precision 1.25-inch helical focuser that accepts the QHY5II and QHY5III cameras. After focusing, you can lock the focus mechanism with thumbscrews.
QHYOAG is a thin and solid design. The OAG main body is just 10mm thick. Adding an M42 thread or M54 adapter ring adds only 3mm for a total thickness of 13mm. There are six 3mm through holes in the OAG for direct connection to the QHYCFW and QHY A Series cameras.
