CHROMA TECHNOLOGY SII FILTER Bandpass:5nm 6) female thread at the

6) female thread at the front of the telescope for mounting standard 1

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

AZ4000 HPS DDT Option Sizes

the standard cases “PLB series” ensure a very high level of protection

CHROMA TECHNOLOGY SII FILTER Bandpass:5nm 6) female thread at theChroma 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