
Reference: ZWEAF-S
Brand: ZWO
Reference: ZWEAF-S
Brand: ZWO
Reference: POA-URANUS-C
Brand: Player One
Reference: ZWASI120MINI
Brand: ZWO
Reference: POA-ACS
Brand: Player One
Reference: AS-FRA400
Brand: ASKAR - Sharpstar
Reference: AS-SET-DUO-D1D2
Brand: ASKAR - Sharpstar
Reference: ZWDC-Y-SPLIT
Brand: ZWO
Reference: AS-REDFRA400
Brand: ASKAR - Sharpstar
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A Filter that will help you have more contrast on your nebula images
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⚠️ Please choose your filter version in the drop-down menu under the mini description |
The Astronomik UHC-E filter is the economical filter for deep sky observation of emission nebulae and comets under light polluted skies. It is particularly suitable for small telescopes.
The UHC-E filter increases the contrast of emission nebulae and comets and blocks light from typical street lamps as well as airglow. It is best suited for telescopes up to 5"/125mm.
Main use
The Astronomik UHC-E filter provides an FWHM of 45nm and blocks light from typical streetlights (eg sodium and mercury vapor) as well as airglow. Thus, it increases the contrast between your target and the night sky. The contrast enhancement is less than that of the Astronomik UHC filter, but at the same time the amount of transmitted starlight is greater. It is therefore better suited to small telescopes. When the UHC-E filter passes a carbon spectral line (due to the higher FWHM), it opens up the possibility of comet observation.
Other uses
If you are using a telescope with an aperture larger than 5", we suggest using our standard UHC filter due to its superior contrast enhancement capabilities. If you are using a telescope larger than 8", you can try our OIII filter for even better results when observing specific nebulae.
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Reference: POA-IR850
Brand: Player One
Reference: ANOIII3-125
Brand: ANTLIA
Reference: 43797
Brand: Astronomik
Reference: L-ENHANCE-1
Brand: Optolong
Reference: BA-2961150
Brand: Baader Planetarium
Reference: 8H00IE
Brand: Astronomik
Reference: 8H0039
Brand: Astronomik
Reference: POA-UV125E
Brand: Player One
Reference: ANLRVB-36C
Brand: ANTLIA
Reference: NX69613
Brand: IDAS
Reference: AS-F-DUO-SO-C2
Brand: ASKAR - Sharpstar
Reference: L-PRO-125
Brand: Optolong
Reference: 8H11HY
Brand: Astronomik
Reference: L-ENHANCE-EOS-CLIP
Brand: Optolong
Reference: 8H00IC
Brand: Astronomik
A Filter that will help you have more contrast on your nebula images
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