OIII filter 1.25″

Description

Narrowband OIII filter is designed for nebula observation allowing 18nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere.

En stock/In stock

$89.90

Description

Transmission 90% at 495,9 nm and 500,7 nm
FWHM (FWHM) 18±2nm
Thickness 1.85mm
Diameter 1.25 inch

Reviews

There are no reviews yet.

Be the first to review “OIII filter 1.25″”

Your email address will not be published. Required fields are marked *

Vous aimerez aussi :