You can test a spirit level by turning it through 180 degrees. If the reading still shows level, then it's level. If not, it's out by half the difference. Mine is level. Chris
> -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > Graydon > Sent: 03 August 2009 20:22 > To: Pentax-Discuss Mail List > Subject: Re: How precise is your K-7's spirit level? > > On Mon, Aug 03, 2009 at 03:05:07PM -0400, paul stenquist scripsit: > > You should use a bubble level to test it accurately. Flat and level > is > > not necessarily flat and level. > > For that matter, a hardware store bubble level might not be accurate, > either. Certainly the cheap plastic torpedo levels aren't particularly > likely to be. > > You can either get a good (expensive) level, build a plumb-bob level > (dead accurate; slow and annoying to use), or take the camera some > place > where they've already got a level surface. (Machinist's table, for > example.) > > The first thing to try, though, is to rotate the camera so it faces > NESW > and see if the amount the level indicates you're off changes. No > change = > level surface, deluded camera. Change = likely, the camera is right. > > -- Graydon > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
