Re: [OM] Astrophotography

[Chuck Norcutt]

Focus on a distant object in daylight and then put a piece of tape on 
the focusing ring so it can't move.
Chuck Norcutt



On 7/26/2014 4:29 PM, Paul Braun wrote:
> On Sat, Jul 26, 2014 at 3:24 PM, Chuck Norcutt <
> chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
>
> > A note on using hyperfocal.  If you're going to estimate distances be sure
> > that any error is on the long side.  If you're under the hyperfocal
> > distance you'll miss infinity.  If you're over it you'll just slightly
> > lengthen the minimum focus distance.
> Hyperfocla is, I think, only going to be useful if I shoot wide-field shots
> and include some trees or foreground details.  Otherwise, I might have
> bumped the focus collar and gone a tiny bit off of infinity this time.
--
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