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  #1  
Old 16-05-2008, 07:35 PM
Ian Robinson
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Hutech or Astronomik drop in front filters (LPF and band pass)

Hutech dropin front filters:
http://www.sciencecenter.net/hutech/...pics/ha-ff.jpg
http://www.sciencecenter.net/hutech/canon/index.htm

Astronomik dropin front filters:
http://www.astronomik.com/english/en...ip_system.html
(they do 300D, 350D, 400D, 450D, 20D, 20Da, 30D, 40D)


Anyone using these , are you happy with their performance ?
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Old 16-05-2008, 07:53 PM
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Quote:
Originally Posted by Ian Robinson View Post
Hutech dropin front filters:
http://www.sciencecenter.net/hutech/...pics/ha-ff.jpg
http://www.sciencecenter.net/hutech/canon/index.htm

Astronomik dropin front filters:
http://www.astronomik.com/english/en...ip_system.html
(they do 300D, 350D, 400D, 450D, 20D, 20Da, 30D, 40D)


Anyone using these , are you happy with their performance ?
I would love a Hutech IDAS LPS filter - they get such a good rap!
40D filters tend to be a wee bit more expensive as they need a filter holder to fit the camera.

Installation looks fiddly from the Astronomik link!!
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Old 16-05-2008, 08:02 PM
Ian Robinson
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Originally Posted by dugnsuz View Post
I would love a Hutech IDAS LPS filter - they get such a good rap!
40D filters tend to be a wee bit more expensive as they need a filter holder to fit the camera.

Installation looks fiddly from the Astronomik link!!
I noticed that , but they certainly would beat having to have multiple filters (a big one for each telephoto (for me probaby 3 of these , and a 2" to go in front of the coma corrector) , the potential is there to save some real $.
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Old 17-05-2008, 02:25 PM
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I noticed that , but they certainly would beat having to have multiple filters (a big one for each telephoto (for me probaby 3 of these , and a 2" to go in front of the coma corrector) , the potential is there to save some real $.
Absolutely - if I get any filters they will be the camera body clip-in type.
The hutech lps clip in filter for 40D is $289US FYI.

And, as I remember Eric(ezystyles) is selling the 40D clip in daylight filter (for normal use of modded dslr) on his site for $200AU
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Old 19-05-2008, 07:10 PM
Ian Robinson
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Originally Posted by dugnsuz View Post
Absolutely - if I get any filters they will be the camera body clip-in type.
The hutech lps clip in filter for 40D is $289US FYI.

And, as I remember Eric(ezystyles) is selling the 40D clip in daylight filter (for normal use of modded dslr) on his site for $200AU
Huteck say any xx-FF1 will fit the 40D.

Front Filters for Hutech/Canon 40D
UIBAR-FF1 UV/IR Blocking Filter
LPS-P2-FF1 Light Pollution Suppression Filter .... I like this one
LPS-V3-FF1 Nebula Filter .... this one too
VLC-FF1 Daylight Filter
IR72-FF1 Infrared Filter (720nm) .... I'm not sure what benefit this one would be in an unmodded 40D used in astrowork.
DP-FF1 Dust Protector (Clear multicoated)
FF1 Front Filter Holder for 40D
http://www.sciencecenter.net/hutech/canon.htm
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Old 19-05-2008, 10:24 PM
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thanks doug for the recommendation.

All FF1 Hutech filters are specifically for the 40D only. It will not fit in a 350d/20d/30d etc etc.

The daylight filter is like the x-nite front filter to convert the modified camera back to stock standard as though it hasnt been modified.

Note, if you decide to use a front filter, you cannot use EF-S lenses as it will hit the filter. Only compatible with EF lense.
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  #7  
Old 20-05-2008, 12:20 AM
Ian Robinson
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Originally Posted by EzyStyles View Post
thanks doug for the recommendation.

All FF1 Hutech filters are specifically for the 40D only. It will not fit in a 350d/20d/30d etc etc.

The daylight filter is like the x-nite front filter to convert the modified camera back to stock standard as though it hasnt been modified.

Note, if you decide to use a front filter, you cannot use EF-S lenses as it will hit the filter. Only compatible with EF lense.
Which would you recommend (for an UNmodded 40D) for widefield stuff ?

I'm thinking a LPS-P2-FF1 & LPS-V3-FF1 for astrophotos with the telezoom .
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Old 20-05-2008, 09:05 AM
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Hi Ian, I have used the 2" version of LPS2 . This filter works a treat . LPSv3 is an update of LPS2 different wavelength cut. Although I havent tried this filter, version 3 is always better than version 2??
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