BradS
Member
Me three
Me four.
Me three
The subject of a coating to replace backing paper got me thinking. This would be necessary for any film format using a window and numbers for film advance, but turning back to the original subject of 220, is backing paper really necessary?
Since all cameras set up for 220 have automatic film advance, you don't have a window that could potentially expose the film. Thus, 220 only has backing paper as the leader and tail end. Now, film stock is already opaque, so you don't really need backing paper at all. If you cut a 60mm wide length of film as long as a roll of 220 with a tongue cut into the leader and tail, you would now have a 220 equivalent, no backing paper needed. The film at the beginning and end of the roll would lightproof the center, as with 8mm & 16mm motion picture film.
Now the disadvantage is that this would require more film stock than would 2 rolls of 120. Additionally, I don't think this is commercially viable either as it would require a manufacturer to set up a competing production line with their own product.
If it was as easy as you think would it have the professional film engineers figured that out scalded ago? What makes you think that you are so much smarter than they were? Really?
I think the motion picture example is interesting, but I would note that the sides on the motion picture spools were designed with this in mind - and all the cameras depend on their being no change yo those spools.
The 120/220 spools have sides that are relatively quite small, and I expect that if one had as much film serving as leader on a 120 or 220 spool as one uses on a motion picture spool, the rolls would have to have a lot fewer frames, and the frame counters would need to be changed.
That 100+ year old designed backing paper is quite amazing stuff.
Anyone?? I'd love a link, or source. Nothing comes up with Google. Is this special order from Ilford.if you have access to 62mm film stock,.
Anyone?? I'd love a link, or source. Nothing comes up with Google. Is this special order from Ilford.
That "back side printing" change is more of a challenge than you might think.First, apparently, Kodak, Fuji, and Ilford have sources of 120 backing, and only the back-side printing need be changed to cut the leader and tail off a full 120 to make a 220 roll.
Hey, there's no need to get belligerent.
Totally agree.Re-reasoning your production and product line should be considered an asset, in today's World Economy where there may be new markets coming into their own, that have yet to be offered or have available, products other peoples may want to buy and use.
J
....snip....
No one knows before hand how well or no a readily available 127 or 220 film, will perform, until the market has those films in the market place,
I wonder how many of the 220 critics enjoy loading their Rolleiflex cameras with the pistol grip in the field every 12 shots. I need to carry two TLRs now that 220 is no longer available.
It is also funny how over in the Darkroom section people complain about difficulty getting the two 12 exposure rolls both on the Jobo processig reel.
It is also funny how over in the Darkroom section people complain about difficulty getting the two 12 exposure rolls both on the Jobo processig reel.
I got the impression that the "critics" you mention fall into two camps. Those who have said that they would not use 220 from choice and those who are pointing out the difficulties of resurrecting 220 at a cost that makes the case for its re-establishment viable to the film companies means that the demand would fall a long way short of sufficientI wonder how many of the 220 critics enjoy loading their Rolleiflex cameras with the pistol grip in the field every 12 shots. I need to carry two TLRs now that 220 is no longer available.
It is also funny how over in the Darkroom section people complain about difficulty getting the two 12 exposure rolls both on the Jobo processig reel.
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