Wanderer ND Filter for V4-EC/V4-EC-IR Wanderer Cover - 190 mm - WC4ND-190 solar film Three-speed Temperature Control: This lens

Three-speed Temperature Control: This lens dew heater comes with three-speed temperature control of high temperature about 55°C (131°F) ~65°C (149°F)

voltage use

0005e- /pixel/sec @-20℃ Exposure Time Range 30μs-3600sec Recommend Gain* 68 Amp Control Nearly Zero Amplifer Glow Shutter Type Electronic Rolling Shutter Computer Interface USB3

Rated load

microscope or binoculars and capture those images

Wanderer ND Filter for V4-EC/V4-EC-IR Wanderer Cover - 190 mm - WC4ND-190 solar film Three-speed Temperature Control: This lensThe ND filter assembly for the 190mm WandererCover is designed specifically for users with fast optics who insist on taking long exposure flats. It extends exposure time by around 32 times. However, in most cases, you DO NOT NEED it WandererCover is designed to be flicker free, ensuring clean, banding free flats even at very short exposures.