[M]: Re: LX200s: 12" vs. 10"
| Subject: | [M]: Re: LX200s: 12" vs. 10" |
| From: | Al |
| Date: | Tue Jun 06 13:21:03 2000 |
The answer to your questions are yes, yes and yes. As I mentioned last
time...consider the Brand X 14". This will give you all the aperture youll
need plus you can have Fastar for imaging. Fastar will allow you to image
at F/2 which translates to NO GUIDING for most dim objects.
Al
----- Original Message -----
From: "Jacob Thumberger"
To:
Sent: Tuesday, June 06, 2000 4:34 PM
Subject: [M]: LX200s: 12" vs. 10"
> Hello all. You may remember a post of mine from a while back about the 12"
> LX200s. Well, Im getting close to being able to purchase my scope and
have
> some further questions before I actually make my purchase.
>
> 1) I was told in my last batch of questions that the 12" has a larger
> central obstruction than my 10" Newtonian and would therefore be of little
> gain optically from my 10". Is this true? If so, would I be better off
> getting the 12" instead of the 10" (because if the 12" is of little or no
> gain, then that 10" would be a lose....correct?).
>
> 2) I was also told that as you increase in size in the LX200s, the mounts
> become less stable. Is this really true? If so, would it be wise of me to
go
> down to the 10" for CCD imaging since mount stability is important? Or is
> the difference in scopes hard to tell?
>
> 3) I notice that the 12" LX200 comes in only f/10. Since the 10" comes in
> f/10 and f/6.3, would I be better off getting the 10" f/6.3 for CCD
imaging
> than the 12" f/10? Also, if I get the 10" f/6.3, can I still add the f/6.3
> focal reducer to get an even lower f/ ratio?
>
> Also, if anyone has any other info on helping me decide between the two I
> would greatly appreciate it. Im sure I will have more questions later,
but
> Im late for a doctors appointment so I will leave it at this for now.
>
> Thanks a million in advance!!
>
> Jacob Thumberger
> jthumber@fuse.net
> http://home.fuse.net/cbparts/index.htm
> Gone out of business....school taking too much of my time.
> Free replacement parts for cookbook cameras with paid postage.
> http://home.fuse.net/cbparts/index2.htm
> 1999 advanced astronomy camp picture page.
> http://home.fuse.net/cbparts/index3.htm
> Is there a black hole at the center of the Milky Way?
>
>
>
time...consider the Brand X 14". This will give you all the aperture youll
need plus you can have Fastar for imaging. Fastar will allow you to image
at F/2 which translates to NO GUIDING for most dim objects.
Al
----- Original Message -----
From: "Jacob Thumberger"
To:
Sent: Tuesday, June 06, 2000 4:34 PM
Subject: [M]: LX200s: 12" vs. 10"
> Hello all. You may remember a post of mine from a while back about the 12"
> LX200s. Well, Im getting close to being able to purchase my scope and
have
> some further questions before I actually make my purchase.
>
> 1) I was told in my last batch of questions that the 12" has a larger
> central obstruction than my 10" Newtonian and would therefore be of little
> gain optically from my 10". Is this true? If so, would I be better off
> getting the 12" instead of the 10" (because if the 12" is of little or no
> gain, then that 10" would be a lose....correct?).
>
> 2) I was also told that as you increase in size in the LX200s, the mounts
> become less stable. Is this really true? If so, would it be wise of me to
go
> down to the 10" for CCD imaging since mount stability is important? Or is
> the difference in scopes hard to tell?
>
> 3) I notice that the 12" LX200 comes in only f/10. Since the 10" comes in
> f/10 and f/6.3, would I be better off getting the 10" f/6.3 for CCD
imaging
> than the 12" f/10? Also, if I get the 10" f/6.3, can I still add the f/6.3
> focal reducer to get an even lower f/ ratio?
>
> Also, if anyone has any other info on helping me decide between the two I
> would greatly appreciate it. Im sure I will have more questions later,
but
> Im late for a doctors appointment so I will leave it at this for now.
>
> Thanks a million in advance!!
>
> Jacob Thumberger
> jthumber@fuse.net
> http://home.fuse.net/cbparts/index.htm
> Gone out of business....school taking too much of my time.
> Free replacement parts for cookbook cameras with paid postage.
> http://home.fuse.net/cbparts/index2.htm
> 1999 advanced astronomy camp picture page.
> http://home.fuse.net/cbparts/index3.htm
> Is there a black hole at the center of the Milky Way?
>
>
>
