QHY OAG-L Large Off-Axis Guider - M62 - 100075 Planispheres since the QE response of

since the QE response of a OSC sensor beyond 850 nm doesn't change much

Intended to be used with external Digital Setting Circles or your computer

Blocking:  >OD4

Model QHY294M Pro CMOS Sensor SONY IMX492 Mono/Color Mono Only FSI/BSI BSI Pixel Size 4

Sealed coating edges to prevent incursion of air or moisture

QHY OAG-L Large Off-Axis Guider - M62 - 100075 Planispheres since the QE response ofThe OAG L at a Glance: Prism Size: 8*8mm Telescope Interface: M62*0. 75 Thickness: 10 mm excluding 3mm adapter Compatible Filter Wheel: QHYCFW3L Compatible Imaging Cameras: Larger than Full Frame The QHY OAG L, aka the M62 "large" version of the QHY Off Axis Guider, is designed to be thin yet solid at just 10mm thick with a weight of 149g. Adding an M62 threaded adapter ring adds only 3mm for a total thickness of 13mm. There are six 3mm through holes