RE: [APML] OT: Canon 10D Price

["Greg Harp" <gregharp@sbcglobal.net>]

Not everyone is planning on using the camera only for DSOs.

> From: astro-photo-bounces@seds.org 
> [mailto:astro-photo-bounces@seds.org] On Behalf Of Michael Stecker
> 
> 
> I am quite baffled why so many people think mirror lock-up is 
> important. If your exposures are relatively long as they are 
> in deep sky imaging then the detector will not see any 
> vibrations that are less than a second.  The main exceptions 
> would be planetary, lunar and solar imaging.  Also, if you 
> are really paranoid then you can always use the "hat trick".  
> In 15 years of deep sky astrophotography I have never seen an 
> image ruined by not using mirror lock-up.
> 
> Michael Stecker
> mstecker@dslextreme.com

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