View Full Version : Siemens Star Chart


BlueSapphire
02-19-2009, 09:53 PM
Does anyone know where i can get a Siemens Star Chart for Back Focus Adjustment?

I am putting a lens on my new camera for the first time.

How big does the chart need to be?

Thanks

Zensteve
02-19-2009, 10:17 PM
Heh, I had to look up what that was. :blush:

B&H sell several:

http://www.bhphotovideo.com/bnh/controller/home?ci=0&shs=star+chart&sb=ps&pn=1&sq=desc&InitialSearch=yes&O=jsp%2FRootPage.jsp&A=search&Q=*&bhs=t

(Ignore the obvious "star maps" for star-gazing)

BlueSapphire
02-21-2009, 10:49 AM
Thanks! boy those are pricey.. but i guess if you change lenses alot it might be worth the investment.

BlueSapphire
02-21-2009, 11:01 AM
btw.. here is a website with some free ones at least downloadable and printable anyway..

http://www.bealecorner.com/trv900/respat/