ZWO EFW 7 x 50mm SQUARE FOR ASI461MM PRO 3nm 81 mm diagonal)

81 mm diagonal)

length 200mm

whereas the dark absorption "splits" and occurs slightly above and below the typical wavelength where light from non-magnetized activity is absorbed

When collapsed it is only 85cm high but it can be extended up to 130cm

Counterweight kit for CDK14 & CDK20 attaches to the dovetail bar for critical balance in Declination

ZWO EFW 7 x 50mm SQUARE FOR ASI461MM PRO 3nm 81 mm diagonal)The ZWO EFW 7 x 50mm electronic filter wheel was designed for the medium format ASI461MM Pro, which requires 50mm square filters to minimize vignetting across its huge sensor. The EFW 7 x 50mm is CNC machined from a solid block of aircraft aluminium and has an optical thickness of only 16mm. The stepper motor is made in Japan by NPM and has very high precision and reliability. The filter wheel is bi directional, making filter changes very quick. Note: