Hi,
Celestron 2" UHC/LPR Filter: S$100.
Seldom use and in good working condition.
Have a nice day.
WTS: Celestron 2" UHC/LPR Filter (SOLD)
-
weixing
- Super Moderator
- Posts: 4708
- Joined: Wed Oct 01, 2003 12:22 am
- Favourite scope: Vixen R200SS & Celestron 6" F5 Achro Refractor
- Location: (Tampines) Earth of Solar System in Orion Arm of Milky Way Galaxy in Local Group Galaxies Cluster
WTS: Celestron 2" UHC/LPR Filter (SOLD)
Last edited by weixing on Fri Aug 03, 2007 9:08 am, edited 1 time in total.
Yang Weixing
"The universe is composed mainly of hydrogen and ignorance."
"The universe is composed mainly of hydrogen and ignorance." 
Re: WTS: Celestron 2" UHC/LPR Filter
bro, this filter good for dslr imaging in spore or not?weixing wrote:Hi,
Celestron 2" UHC/LPR Filter: S$100.
Seldom use and in good working condition.
Have a nice day.
-
weixing
- Super Moderator
- Posts: 4708
- Joined: Wed Oct 01, 2003 12:22 am
- Favourite scope: Vixen R200SS & Celestron 6" F5 Achro Refractor
- Location: (Tampines) Earth of Solar System in Orion Arm of Milky Way Galaxy in Local Group Galaxies Cluster
Hi,
1) this filter will dim down star like most LPR filter and I found it difficult to focus visually through view finder of my DSLR due to dimer star... IMHO, you won't have this problem if you focus via a computer.
2) Base on my 2 minutes exposure image, the filter will have some colour shift as the image will turn out a bit greenish like most LPR filter. Not quite sure at longer exposure since I only use it up to 2 minutes exposure.
Anyway, I put this on sale as I no longer using 2" eyepiece and I got a very good 1.25" UHC filter for visual use. Also, I realized that even this filter allow me to have more than 3 minutes of exposure, my polar alignment won't allow me to take image of longer exposure than that as I'm not using guiding. Since I still can took decent image up to around 2 minutes under Singapore sky without the filter, so I prefer to took image without the filter as it's easier to focus through view finder visually.
Have a nice day.
I'm not quite sure as I only use this a few time for imaging... the recent one is the M51 image that I post recently. Below is my S$0.02 on this filter:bro, this filter good for dslr imaging in spore or not?
1) this filter will dim down star like most LPR filter and I found it difficult to focus visually through view finder of my DSLR due to dimer star... IMHO, you won't have this problem if you focus via a computer.
2) Base on my 2 minutes exposure image, the filter will have some colour shift as the image will turn out a bit greenish like most LPR filter. Not quite sure at longer exposure since I only use it up to 2 minutes exposure.
Anyway, I put this on sale as I no longer using 2" eyepiece and I got a very good 1.25" UHC filter for visual use. Also, I realized that even this filter allow me to have more than 3 minutes of exposure, my polar alignment won't allow me to take image of longer exposure than that as I'm not using guiding. Since I still can took decent image up to around 2 minutes under Singapore sky without the filter, so I prefer to took image without the filter as it's easier to focus through view finder visually.
Have a nice day.
Yang Weixing
"The universe is composed mainly of hydrogen and ignorance."
"The universe is composed mainly of hydrogen and ignorance."