ΣΕΤ ΦΙΛΤΡΩΝ 7nm NARROWBAND 36mm, UNMOUNTED

ZWO Narrowband Filter Set for Astrophotography (36 mm)

Narrowband nebula filters significantly increase the contrast of the object and eliminate light pollution. Due to the bandwidth of 7 nm, images with extreme contrast are possible, even from close to the city. ZWO filters are homofocal with each other. The filter set consists of:

ZWO H-Alpha Filter 7 nm
The narrowband nebula filter has a definite pass band around 656 nm. This is the line in which H-II objects (hydrogen nebulae) shine. Transmission in this range is 80%. The filter is the optimal choice for astrophotography. The contrast of nebulae is significantly increased.

ZWO O-III Filter 7 nm
The narrowband nebula filter has a definite pass band around 500 nm. This is the line in which many planetary nebulae shine. Transmission in this range is 80%. The filter is the optimal choice for astrophotography. The contrast of nebulae is significantly increased. The filter is also suitable for visual observation.

ZWO S-II Filter 7 nm
The narrowband nebula filter has a definite pass band around 672 nm. This is the line in which many planetary nebulae, emission nebulae and supernova remnants shine. Transmission in this range is 80%. The filter is the optimal choice for astrophotography. The contrast of nebulae is significantly increased.

There is also an L-RGB filter set available from ZWO. The filters are parfocal among each other.