test of the UHC-E filter on M42

le_R · 15th of December 2008 (Mon)

Last night i made a quick test of the Astronomik UHC-E EOS filter near Paris (France)

1. 30 seconds @ 1600 ISO without UHC-E
2. 30 secondes @ 1600 ISO with UHC-E
3. 180 seconds @ 1600ISO with UCH-E

Nighthound · 15th of December 2008 (Mon)

Looking very good. Stack around thirty of #3 and you'll have quite an image.

I use the Hutech IDAS LP filter, works great as well.

Adrena1in · 17th of December 2008 (Wed)

Excellent comparison. We should have a thread here for filter recommendations, with similar comparison images. I've got cheap nebular, IR, minus violet and LP filters, plus an Astronomik CLS filter, but I don't use many of them because I've not spent time testing what exactly the benefits are. Perhaps when I get some clear skies I'll run some tests.

15th of December 2008 (Mon)	#1
le_R Member Join Date: Jun 2008 Location: Paris - France Posts: 70 IMAGE EDITING OK	test of the UHC-E filter on M42 Last night i made a quick test of the Astronomik UHC-E EOS filter near Paris (France) 1. 30 seconds @ 1600 ISO without UHC-E 2. 30 secondes @ 1600 ISO with UHC-E 3. 180 seconds @ 1600ISO with UCH-E __________________ http://www.rivoalen.fr Canon: 50D,400D,350D without IR filter - EF 70-200mm f/4L - 50mm f/1.8 II - 100mm f/2.8 Macro Tamron: 17-50mm f/2.8 and 10-24mm f/3.5-4.5 Skywatcher 80ED 600mm, HEQ5-Pro Mount

15th of December 2008 (Mon)	#2
Nighthound Cream of the Crop Join Date: Aug 2007 Posts: 9,467	Re: test of the UHC-E filter on M42 Looking very good. Stack around thirty of #3 and you'll have quite an image. I use the Hutech IDAS LP filter, works great as well. __________________ Steve Canon Gear: 1D Mark IV \| 1D Mark II \| 5D \| 20D \| 500L IS (f/4) \| 100-400L My Astro Gallery http://s3.photobucket.com/albums/y67...OTN%20Gallery/

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17th of December 2008 (Wed)	#3
Adrena1in Senior Member Join Date: Aug 2007 Location: Winchester, Hampshire, UK. Posts: 1,703 IMAGE EDITING OK	Re: test of the UHC-E filter on M42 Excellent comparison. We should have a thread here for filter recommendations, with similar comparison images. I've got cheap nebular, IR, minus violet and LP filters, plus an Astronomik CLS filter, but I don't use many of them because I've not spent time testing what exactly the benefits are. Perhaps when I get some clear skies I'll run some tests. __________________ Canon EOS 450D, Sigma 18-200mm, Canon 50mm f/2.5 Macro, 2x TC, Revelation 12" f/5 Dobsonian, Mintron PD2285-EX webcam.