
ZWO Large OAG Off-Axis Guider 12mm Prism
OAG-L has a large prism size of 12*12mm, far bigger than M68 OAG. The bigger clear aperture brings wider field of view in guiding. It is easy to use, and suitable for users who are interested in long focal length photography. To take the most advantage of it, we recommend you to match it with large format guiding cameras. Features Lightweight and exquisite, 17.5mm thickness. Prism size: 12*12mm. The effective light-passing aperture is 11.7mm*8.3mm. Can be used to connect the main camera and guide camera simultaneously. No guide telescope required. Packaged with an M48 sensor tilt plate (5mm). Operating Guide For guiding, OAG-L can only work with ASI Mini cameras like ASI174MM Mini, ASI290MM Mini and ASI120MM Mini. Considering the large prism size, we don’t recommend you use OAG-L with telescopes whose clear aperture is smaller than M48. Yet it is recommended to use with 2” EFW or 7x36mm EFW, and with APS-C cameras (ASI2600) or full-frame cameras (ASI6200/2400). The large clear ape