From: Milton Aupperle <milton@outcastsoft.com>

Date: November 14, 2006 12:15:19 PM MST

To: Astro_IIDC@yahoogroups.com

Subject: Re: [Astro_IIDC] Re: Anybody else using Pt Grey cameras?

Hi Tim;

On 14-Nov-06, at 10:53 AM, Tim wrote:

Milton:

I may be leaning toward a Flea2 with 1024x768 pixels, then, since I

already have a 640x480 Flea. Any experience out there with the Scorpions?

Not for astronomy. I do know that Katsushige Yamashiro uses the big format Scorpions for Microscopy Imaging.

I remember their sales rep saying that the Scorpion has a screw-in IR

block filter, so it could be replaced with an astro IR block filter

with better transmission. I haven't yet removed the one from my Flea,

but now that it's over a year old and out of warranty, I will likely

do that before the big planets come back around...

I would not do it for Planetary / Lunar imaging unless your expecting to image above 640 nm, which is where the sharp cutoff of their filters happens. For DSO it would be a good idea as the 656nm H-alpha is pretty much "gone" with their IR filters.

HTH..

Milton J. Aupperle

President

ASC - Aupperle Services and Contracting

Mac Software (Drivers, Components and Application) Specialist

#1005 - 815 14th Avenue. S.W.

Calgary Alberta Canada T2R0N5

1-(403)-229-9456

milton@outcastsoft.com