Re: [Frameworks] E6 Kit_Re-exposure
T On 2/17/12, Ken Paul Rosenthal kenpaulrosent...@hotmail.com wrote: Nicky, Are these the same kits we're talking about? You mentioned re-exposure at one point, but the current Tetenal four bath one litre kit: 1st Dev, Blix, 2nd Dev, Stabiliser, does not require re-exposure. This is the one I have used to do up to six rolls of Super 8 perfectly. Tetenal don't recommend extending dev time beyond the volume the kit is stated to be able to do. Re-exposure is necessary in any reversal process, so that the remaining halides that were not exposed/developed for the initial negative image, can be exposed to light, then processed to a positive image in the 2nd developer. The kits make the process simple and accessible for the average 35mm still photographer by combining the steps. So, the 2nd Developer step chemically 're-exposes' the remaining halides from the 1st Developer step, and *also* develops it. Similarly, the Bleach/Fix (Blix) step combines the Bleach and the Fix in one step. Hence, 6 steps become a more manageable 4. Kenwww.crookedbeautythefilm.com (Academic)www.crookedbeauty.com (Public)www.kenpaulrosenthal.com ___ FrameWorks mailing list FrameWorks@jonasmekasfilms.com https://mailman-mail5.webfaction.com/listinfo/frameworks
Re: [Frameworks] E6 Kit_Re-exposure
Thanks for the info: I'm no expert on chemistry! Nicky. -Original Message- From: Ken Paul Rosenthal kenpaulrosent...@hotmail.com To: Frameworks Postings frameworks@jonasmekasfilms.com Sent: Sat, 18 Feb 2012 4:21 Subject: [Frameworks] E6 Kit_Re-exposure Nicky, Are these the same kits we're talking about? You mentioned re-exposure at one point, but the current Tetenal four bath one litre kit: 1st Dev, Blix, 2nd Dev, Stabiliser, does not require re-exposure. This is the one I have used to do up to six rolls of Super 8 perfectly. Tetenal don't recommend extending dev time beyond the volume the kit is stated to be able to do. Re-exposure is necessary in any reversal process, so that the remaining halides that were not exposed/developed for the initial negative image, can be exposed to light, then processed to a positive image in the 2nd developer. The kits make the process simple and accessible for the average 35mm still photographer by combining the steps. So, the 2nd Developer step chemically 're-exposes' the remaining halides from the 1st Developer step, and *also* develops it. Similarly, the Bleach/Fix (Blix) step combines the Bleach and the Fix in one step. Hence, 6 steps become a more manageable 4. Ken www.crookedbeautythefilm.com (Academic) www.crookedbeauty.com (Public) www.kenpaulrosenthal.com ___ FrameWorks mailing list FrameWorks@jonasmekasfilms.com https://mailman-mail5.webfaction.com/listinfo/frameworks ___ FrameWorks mailing list FrameWorks@jonasmekasfilms.com https://mailman-mail5.webfaction.com/listinfo/frameworks
