Op Thu, 19 Oct 2006 03:13:30 +0200 schreef graywolf <[EMAIL PROTECTED]>:
> BSI was, I believe, the same as Weston. If so, it is 1/3 stop off from > ASA, I forget which way. According to wikipedia, Scheiner-Grad is DIN minus 10. That'd make SCH33° equivalent to DIN23°, or ASA 160. Indeed 1/3 of a stop off BSI 125. See <http://de.wikipedia.org/wiki/Scheiner-Grad> Nice camera :o) Regards, Lucas > Bob W wrote: >> BSI and ASA apparently used the same numbering system, according to >> this web page: >> http://www.photographytips.com/page.cfm/1591 >> >> BSI was obviously superior in all other respects, of course. >> >> That looks like a nice camera. I'd like one of those sometime. >> >> -- >> Cheers, >> Bob >> >>> -----Original Message----- >>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On >>> Behalf Of Jens Bladt >>> Sent: 18 October 2006 21:56 >>> To: Pentax-Discuss Mail List >>> Subject: OT: BSI - film speed system etc >>> >>> Is this fairly the same as ASA/ISO? >>> I recently got this 1955 Agifold camera. The extinction >>> meter/calculator has >>> SCH (Scheiner-Grad) and BSI (Brittish Standard Institute) >>> film speed scale. >>> I wonder if BSI is equal to ASA? >>> Please take a look: >>> http://www.flickr.com/photos/bladt/273145251/ >>> >>> Does anyone here have experiences with Ensign 820 (6x9) or >>> Ensign Autorange/ >>> Ensifn 16-20 (645), please? >>> Thanx >>> Regards >>> >>> Jens Bladt >>> http://www.jensbladt.dk -- Lucas -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
