CHROMA TECHNOLOGY SII FILTER Bandpass:5nm is built for observatories with

is built for observatories with instruments up to 150kg (excluding counterweights)

8 x 36mm M3 screws

In DSLR's the IR/UV filter is embedded in the camera so the standard UHC filter is sufficient

AZ4000 HPS DDT Option Sizes

A vast range of accessories can be connected with the Dual-DEC system such as Vixen saddles

CHROMA TECHNOLOGY SII FILTER Bandpass:5nm is built for observatories withChroma narrowband filters are the highest performing filters on the market today. They are available with a range of bandpasses and sizes to suit any configuration where the finest image quality is of paramount importance. The Chroma SII filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is at two lines occurring as a doublet, at 671. 6 and 673. 1 nm. This filter also separates sulfur emission from H