Hi Luiz,
My experience so far does not cover your alternatives, but I dare a comment
anyway.
I would suggest you find a manual focus mirror tele lens to try out first
since it's the cheapest option and since it probably is easier to sell again
if it proves to be the wrong choice.
I've done a couple of astrophotos with the K-5 and the O-GPS-1, and can
vouch for its convenience. But then again I'm a noob at astrophoto... :-)
Jostein
----- Original Message -----
From: "luiz felipe" <luiz.fel...@techmit.com.br>
To: <pdml@pdml.net>
Sent: Monday, January 07, 2013 2:57 PM
Subject: Orion Starblast vs 500mm mirror
ok, I'm twice bitten. for the second time in my lifetime, I'm willing to
enter astrophoto with more than casual approach. issue, the very same as
30yrs ago - still have less cash to use than a proper gear requires,
problem added by the higher prices of BR stores. trying to fill gaps in my
photo bag and start a more serious star trek, I'm considering both a 500mm
mirror lens and a Starblast 4.5 by Orion. using the 500mm to shoot stars
is far easier than using a reflector telescope to catch a sunset, mainly
due to image orientation - something the Starblast would require an
accesory to do, probably losing the image quality its simple construction
offers. theory... I'd not try to handhold either, anyway.
do you PDML'ers have any experience with 500mm mirror teles and astropix?
would someone by chance have used both some 500mm mirror and a smaller
telescope, and care to comment?
optics is a small part of the star problem - I'm currently trying to start
a home-made tracker, suitable I hope for my current lenses and the 500mm.
so I'm avoiding more expensive glass as not sure of being able to track
well enough to make the difference. well, even smaller steps count.
tia,
lf
--
luiz felipe
luiz.felipe at luizfelipe.fot.br
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