PerfesserKev
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ISO 25 film ??? Totally useless in the 127 cameras I have...
What's this about special order HP5 in 127??
ISO 25 film ??? Totally useless in the 127 cameras I have...
Part of the reasoning for producing it in 127 may be related to where it is being produced. Hard to say. It could also be that ISO 25 is a perfect Sunny 16 match for a Brownie's native exposure of 1/50 @ f/11 in bright sun. ISO 25 is probably period accurate for most of the old bakelite cameras.
Did you have somewhere in mind where ISO25 is a perfect sunny F16 match for the brownie's native exposure of 1/50 @ f/11? It doesn't seem to be a match for Sonora in California according to a resident there and at all latitudes in the U.K and elsewhere in N Europe at similar latitudes( about 20 degrees North of Sonora) 1/25th in bright sun and no filters may just about be possible. However the number of days on which these conditions exist are small. So at best ISO 25 is just about OK for a very small percentage of days and times(10am - 3pm) on those days.
I can only assume that having taken the decision to make a ISO 25 film the 127 is an adaptation of this film in 120 that might make economic sense at these very high prices if the volumes can be reached.
Starting with a clean slate for 127 films I'd be amazed if ISO 25 would be the chosen speed if a best speed had to be chosen.
Given the investment needed to produce a 127 line I wonder how much cheaper it is to use the new ISO 25 rather than give the new 127 line over occasionally to slitting faster speed film and putting it onto 127 rolls?
Maybe the work involved even in producing a 127 in the ISO 25 film is in fact a loss leader, even at the high prices quoted but from a marketing aspect it is believed that the kudos earned will translate into bigger business overall and be worth the expense
pentaxuser
According to my sources, it is the RPX 100 that will be available in 127. RPX 25 will be 35mm & 120.
The U.S. Distributor
According to my sources, it is the RPX 100 that will be available in 127.
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