QHY Off-Axis Guider - Small

Starting Price: $180.00
Price as Configured: $180.00
Brand: QHYCCD / SKU: QHY-OAG-S (100073)
The QHY Off-Axis Guider (OAG) has three models (QHYOAG-S,QHYOAG-M,QHYOAG-L).

This product is the Small 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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About This Product
  • Compatible with QHY183m, QHY CFW3-S-SR, CFW3-S-US, and OAG-S
  • 55mm backfocus length achievable
  • 44.1 mm backfocus length achievable with adaptable Canon EF Lens and 46.5 mm backfocus length with adaptable Nikon F Lens
  • Includes:
    • 1x 8mm M42 to M48 Adapter
    • 1x 3mm M42 screwed Adapter
    • 1x Cam Top Adapter (original name QHY #020063)
    • 1x 0.5mm/1mm/2mm/3mm/7mm/10mm Spacer
    • 8x 21mm M3 screws
    • 8x 10mm M3 screws
    • 8x 12mm M3 screws
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Price as Configured: $180.00

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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.