ZWO 31mm SII 7nm Narrowband Filter - UNMOUNTED - Mark II

ZWO 31mm SII 7nm Narrowband Filter - UNMOUNTED - Mark IIZWO 31mm SII 7nm Narrowband Filter UNMOUNTED Mark II (Since mid 2018 ZWO supplies a new, improved version of their narrowband filters. The difference is visible when shooting night sky "landscapes" with very bright stars in the field of view, especially with the H alpha and SII filters, the difference is very very subtle when using the new OIII filters) The ZWO SII 7nm narrowband filter passes light at 672nm wavelength with a bandpass of 7nm which is

low-dark current cameras

This system is designed for astrophotographers who want maximum image quality

The sound quality made it really great for large groups of up to 50 people and walking around indoors within 20 meters

TR620 is not only a cassette player

Retekess Two way communication device has 23 channels

Ha: 9 x 20m = 3hr00m

this camera is designed to capture breath taking details of deep sky objects

Extends imaging time when the moon is up

1 x Charging  stand

the BEXIN V30 Ball Head ensures your gear is supported with confidence

Conical adapter set (thread converters + 2″ filter holder)

Highest Transmission