QHY990M SCIENTIFIC SWIR CAMERA [MONOCHROME] Model:QHY990 80 mm ERF for dew

80 mm ERF for dew shields Ø 120 mm

The ZWO ASI 120MM Mini is the most popular guiding camera on the market with the best price/performance ratio

Automatically maintains mirror temperature set point as outside temperature changes

as shown in the pictures above (see options for further details)

The Geoptik Counterweight for 8" SCT allows you to finely balance your fork-mounted Schmidt-Cassegrain optical tube assembly

QHY990M SCIENTIFIC SWIR CAMERA [MONOCHROME] Model:QHY990 80 mm ERF for dewThe QHY990M is a scientific cooled short wavelength infrared (SWIR) camera featuring the Sony IMX990 InGaAs sensor with a square 5m x 5m pixel array and 1. 3 Megapixels. This chip has a wide waveband (0. 4um 1. 7um) with high sensitivity. QE is up to 77% at 1200nm. By using Cu Cu interconnect technology, the sensor has very low fixed pattern noise and a low pixel defect ratio. Both QHY990M and QHY990M PRO II include a 25mm filter holder. The 25mm