RE: Polaroid 545 back

Mark

The only other Polaroid films I've used with pinhole are Type 59 colour and
Type 56 sepia. The sepia film doesn't seem to need any reciprocity
correction, or only very little. I tend to ignore it.

Type 59 colour, on the other hand, needs quite a lot. And not only does it
need an increase in exposure, but also the addition of filters to correct
the greenish-cyan cast you get with long exposures. Anyway, the corrections
I use are as follows:

Indicated exp Corretion filters Exposure increase Final
exposure
        1 sec 81B + CC05R x3 3 sec
        10 sec 81C + CC10R x5 50 sec
        100 sec 81EF + CC20R x8 13.5 min

Hope this helps.

Regards
Derek

Derek Watkins & Associates
27 Bray's Lane
Coventry CV2 4DT

Tel: 024 7645 4419
Fax: 024 7645 8989
Mobile: 077 7893 3094

-----Original Message-----
From: INTERNET:pinhole-discussion@pinhole.com
Sent: 03 September 2001 10:00
To: INTERNET:pinhole-discussion@pinhole.com
Subject: Re: [pinhole-discussion] Polaroid 545 back

Derek:

Do you have similar exposure time information for other ISO's of polaroid
film B&W and color) Thanks.

-Mark
Received on Tue Sep 4 12:40:47 2001