Adding more light allows the use of a smaller aperture.
This, in turn, gives greater depth of field which makes more
things appear sharp. This is especially noticeable when the
camera is close to the subject.

Allen

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-
> bounces@mit.edu] On Behalf Of John Coppens
> Sent: Saturday, January 9, 2016 9:12 AM
> To: piclist@mit.edu
> Subject: [EE]
>=20
> On Mon, 07 Dec 2015 13:23:07 -0800
> Bob Blick <bobblick@ftml.net> wrote:
>=20
> > I'll look again tonight and try to take a picture or
two.
>=20
> This is probably outdated, but maybe it helps someone.
>=20
> I've been surprised how an electronic flash makes markings
> appear -
> even the faintest laser markings. So, even if the camera
> doesn't
> need/propose flash, still enable it...
>=20
> John
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list
> archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist

--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.