Archived posting to the Leica Users Group, 2005/06/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Here are some examples of HP5 ASA 800 in HC110, 1:32 , 70F for 9minutes,60 second initial agitation then 5 seconds every minute. The HP5 tends to be a lower contrast film so it pushes well for lower contrast lenses. The weaker dilutions aren't necessary unless you need to decrease the development time when using slow films or increase it due to the use of alternative processing such as water bath development. I've found you can get the same CI at any dilution by changing the time. The results are identical if the process remains consistent. The hardest part is decanting the appropriate volume of syrup. I use an electric pipette apparatus and dilutions which are convenient, (ie. 12:488 for FP4, 15:485 for HP5 at 800 adjusting dilutions to keep the development times between 7 and 10 minutes. At first my results were shaky due to processing issues. The results were bad enough to send me onto other developers for a full year, then I came back and discovered that less agitation was the key. One must work to find the sweet spot between the dilution, development time , ASA and agitation. It is worth the extra initial effort but once there you can rest, be content and scoff at your digital B&W friends. http://www.imagebrooklyn.com/Macro/Macro%20Pages/flower%20Page%2030.htm http://www.imagebrooklyn.com/street_pages_2005/bs077.htm DR Summicron http://www.imagebrooklyn.com/street_pages_2005/bs079.htm http://www.imagebrooklyn.com/street_pages_2005/bs084.htm http://www.imagebrooklyn.com/street_pages_2005/bs076.htm http://www.imagebrooklyn.com/street_pages_2005/bs083.htm Canon 28/3.5 http://www.imagebrooklyn.com/street_pages_2005/bs072.htm http://www.imagebrooklyn.com/street_pages_2005/bs069.htm Tele-Elmarit 90 At 09:32 AM 6/14/2005, you wrote: >In your quest, I'll recommend giving HP5+ in HC-110 a try. Great >combination and very, very convenient to soup it up. I shoot the >film at EI 320 and 800 and develop @ 68F in dilution H 1:63 for >9-9.5m and 13-13.5m respectively. Agitation for 30 sec. and then >just one nice, gentle twisty inversion every 2 minutes. >Nice looking tones, good grain and sharp negatives. > >I picked up on the combo from some fans over on PhotoNet's >B&W development forum. And IMHO they were right - it's a >formula that works quite well. > >Scott > >Richard wrote: > >>Budding photographer: >> >>http://www.dragonsgate.net/pub/richard/LJPics/crop0006.jpg >> >>Wow! The office is sure messy! >> >>This is my ongoing search for the "perfect" B&W film. Perfect meaning >>perfect for my workflow of developing using the Jobo rotary processor and >>scanning in using the Nikon LS-4000. For ASA100, looks like it's Acros, >>although I bought but have not tested Efke 100 yet. For ASA400 and some >>times pushed to ASA800, it's Tri-X. I am looking for a nice sharp clean >>ASA400. This is Delta 400, I don't think it cuts it in those departments. >>Will play more. >> >>M7, I think 90/2AA @F2. >> >>// richard (This email is for mailing lists. To reach me directly, please >>use richard at imagecraft.com) >> >>_______________________________________________ >>Leica Users Group. >>See http://leica-users.org/mailman/listinfo/lug for more information > > > > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information