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nimthor
member
Reged: 02/10/08
Posts: 33
Loc: Durbanville, South Africa
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Hi all!
Picked up the T-adapter for my Pentax K1000 this morning. I will give astrophotography a go on film. As I have so much to learn still I want to start fairly cheaply as to keep the cost down, I know I will waste some film.
Which of the 200 or 400ASA Fujichrome Sensia is prefered?
I will be using a Hartmann mask to start with for focusing and a Meade SN8.
Thanks and clear skies (I don't have any at the moment!)
Charles
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Telescopes:
Meade LXD75 SN8, Orion 80mm Guide scope, Celestron 60mm Alt/Az
Camera's:
Pentax K1000, Canon A700
Binoculars:
Safeway 16x50, Tasco Lumina 10x25
"Never underestimate the predictability of stupidity"
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jrw11
sage
Reged: 06/09/07
Posts: 490
Loc: U.S.A.
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I have heard that the 200's are better and faster than the 400's.they were talking about E200. Maybe Sensia 200 is the same?
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Celestron C6n -HD Reflector
dual axis drive motors added
Orion 80mm Short tube refractor
Skyscout
Early 70's Pentax 7x50
Garrett Optical 12x60
Garrett Optical 15x70
Oberwerk 20x80 Standards
Canon Rebel Ti (film)
4 Minolta Srt cameras
Mamiya RB67 Pro-s with 180 lens
127mm KL lens for RB, Bellows hood for RB67
120 and 220 film backs
over 50 other film cameras
several eyepieces
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Nebhunter
scholastic sledgehammer
Reged: 10/04/03
Posts: 925
Loc: Frostbite Falls
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I've used 400 Sensia since they quit making Provia F, and found it to be OK. Red response seems to be less than the F, but OK. If you can get Kodak E200 - use it. It is the standard right now. Yes you will burn up some film to get started, but I would go with whatever is cheaper or will get you going. You could start with the 200, and then progress to the E200 later.
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TEC 140 "Katyusha" - with field flattener
Skywatcher Equinox 80 - Orion 80 guide scope
Atlas EQ6 SynScan GPS ADM conversion
PENTAX 67 - 90 135 200 300 400EDif lenses.
OM-1 300 Tamron - Konica 35-100 Varifocal STI Pro Stiletto. 60mm Spacemaster - 7 X 50 Bino's
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Nightfly
super member
Reged: 06/20/07
Posts: 149
Loc: Sullivan, Maine
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I've used Sensia 400 with very similar results to Provia 400F, the 2nd best film for astrophotography. Since Provia 400 is no longer available I would figure Sensia 400 is now holding second place. I think it's only available in 35mm format. Good luck.
Jim
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Jim Cormier
Sullivan, Maine, USA
www.nightfly.zoomshare.com
Survey Astronomer - Starlit Communities Project
Full Sky Light Pollution Measurement
Island Astronomy Institute
www.islandastro.org
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Jerry J
sage
Reged: 05/12/06
Posts: 302
Loc: Salem, MO
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I've used the Sensia 200 a few times. It's alright, but if you push it even as little as 1 stop, the grain starts to show. The red response is accurate enough, but seems to take a lot longer for each exposure. With Provia 400F or 400X I can get a decent exposure of M8 in about 20min or so. With the Sensia 200 on the same set up, that shot was still under exposed at 35 minutes.
Yes, they are still making Provia and Velvia. I just picked up several rolls of Provia 400X and a few rolls of Velvia 100F at a local camera store. Provia 400F is no longer made, 400X replaced it.
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a couple of telescopes,
some cameras,
some accessories...
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