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  1. Replies
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    Re: Film Ferrania: 100 More Years of Analog Film

    Thanks Naeja.
    Found this from 3rd of July: https://mobile.twitter.com/filmferrania/status/1150822525976436752
  2. Replies
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    Re: Film Ferrania: 100 More Years of Analog Film

    Hello all,
    Any further updates after Project Update #49, March 26, 2019 and extension on May 14 ?
    Could not find "Project Update #50" in my email !!!
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    Re: Selenium toner as negative intensifier

    Thanks so much Doremus.
    I may need this sometime in my practice.
  4. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Pere, I'm unable to thank you enough for your input.
    Thanks sooooo much.
    Will comeback with to comment and final(hope) request after I draw a better refined design.
    Best Regards.
  5. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Ok,
    It is a great brainstorming to me so far.
    Not at all similar to solving problems around Photographic Exposure or selecting the best Methodology for Developing a Film. I confess.
    Ilford Photo...
  6. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Thanks so much to the selfless, expert forum members.
    I really appreciate their posts in all subjects not only this thread.
    .

    Thanks so much scheinfluger for your post.
    I asked about this...
  7. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Pere, thanks so much taking the subject to this level of depth.
    Please study the following drawing.

    https://i.postimg.cc/hvpnRhyw/IMG_2645.jpg
    In reality, there is big negative pressure around...
  8. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Drew, thank you so much for your input.
    Will consider which the best, pull or push air.
    That needs further search. But, I could not alter any thing outside the building. It's already covered except...
  9. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    What a happy surprise after I upload my last previous reply.
    Thanks so much Pere.
    Please use: https://postimages.org , to upload the images again.
    It's free and provide bigger images.
    After...
  10. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Hello Pere,
    Appreciate your input in the subject, thanks so much.

    That's great idea really.
    In my current dusty DR, I use two(2) small Honeywell plus one(1) bigger but slimmer Panasonic air...
  11. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Thank you so much Luis for your kind followup reply. Appreciate it.
    I encourage other kind posters to reply to my queries and thanks so much.
    Few important points has been confirmed essential....
  12. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Hello Randy,
    Thanks so much for your post.
    Thanks for confirming that the best strategy to fight dust, is Positive Air Pressure.
    That's the reason why I did not consider passive louvres instead of...
  13. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Outside the concern of this thread and as for my current darkroom.
    Do not know actually, who is sharing whom?
    Dust(a lot of it), lizards, cockroaches, snakes, mice , more than one species of ants...
  14. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Thanks so much Christopher for your input and for sharing the photo of your DR and link.
    It's not only correct, it's the ideal.
    Originally, my room was finished constructed as a living room, and do...
  15. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Thanks Jim for your input.
    That was the situation for me some time in the past.
    Succeeded in Exhaust but failed in creating positive pressure. That resulted in a lot of dust.
    Regards.
  16. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Peter, thank you so much.
    Thought my self minimalist.
    Do you think the upper Exhaust Fan is needed?
    Thanks for suggesting individual switch for each fan plus rheostat/dimmer. Will consider that...
  17. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Thanks so much angus.
    Great help.
    As for passive air inlet(or passive light tight louvres) instead of active Positive Pressure Fans, it could help in better exhaust flow, but I do not think this...
  18. Re: Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Thanks so much Luis. It is of great help.
    Let me please try to understand what you mean exactly.

    There are four(4) fans, only, No louvres.
    Two(2) Fans are fit on the door for Positive...
  19. Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?

    Darkroom Exhaust Fan(400 CFM) For Positive Pressure, Plus DR Design?
    Hello everybody,
    Thanks so much for providing your input.
    This project is so important to me, appreciate all help in this...
  20. Re: Would a magenta filter work for increasing contrast...

    That's really good.
    Photography as art, does not need very deep and specific knowledge.
    Science imply clever expectations based on basic but robust knowledge.
    Please read further.

    So, what do...
  21. Re: Would a magenta filter work for increasing contrast...

    For Pan films, I do not think it will replace(in effect) true Orange or even 21Orange, let alone the Red.
    It will not act like photography filters.
    For paper negative, I think it will do its job...
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    Re: Beginner Darkroom Printing Question

    Thank you so much Eric.
    From where can get Crocein Scarlet?
    Regards.
  23. Re: One more question while I'm here - why Large Format?

    Unfortunately, Not.
    Because no decision can be made with Photoshop.
    Photoshop can provide unlimited brilliant choices, but No decisions taken. Remember, every thing in the digital process is in...
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    Re: Opening in Rockland, Maine

    Congratulations, good luck in your show.
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    Re: Osiris F1 film processor

    To everyone here, and to anyone who may concern.
    Have received some update and very important info about the processor, through a private conversation with our forum-mate "koh303", just wanted to...
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    Re: Austin Granger Show in Portland, Oregon

    That's great.
    Congratulations Austin.
    Hope the best to you.
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    Re: Jobo CPA2 / CPP2 Motor Upgrade

    You may contact koh303: http://www.largeformatphotography.info/forum/member.php?35760-koh303
    He is the expert around.
    Please let us know how do you proceed.
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    Re: The comeback of film?

    Wondering, is there photography without film?.
    It could be digital photography, but not photography!
    Community still wondering: is it photoshopped?
    Hopefully, the same query involved video also....
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    Re: New production run of Apo-Sironar-S lenses

    Rodenstock is the biggest company in the history that manufactured different variable performance versions of lenses under the same model name.
    In addition to loose obligation to a specific fixed...
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    Re: Osiris F1 film processor

    Afraid it's not permitted to be sold outside china!
    Wondering how many customer photographers among roughly 1.5 billion population?
  31. Thread: my website...

    by Thalmees
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    Re: my website...

    Hello Hendrik,
    Thanks so much for the announcement.
    Was happy browsing your website and seeing your work.
    Great work there, actually.
    I think the pictorial style is reviving this time.
    Great...
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    Re: Checking FP4+ and PMK dev times...

    Considering the following sequence of EI: 64-80-100-125
    Apparently, space of 1 EV, divided into thirds.
    Assuming EI: 125 is adopted.
    1. Two(2) exposures at 1/250 seconds, will hit the correct...
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    Re: Drying Large Images

    AnselAvedon, I consider your enthusiasm, continue your experimentation, and if possible please share it with us.
    But, still wondering, how do you achieve efficient print wash if it's FB paper?
    As...
  34. Re: Agitation: Intermittent inversions VS continuous rotary

    Great dialogue.
    Wondering if the motor speed of Jobo, has some pull effect if slowed below 4?
    Say: 2 motor speed or even 1? after initial 1 min or so on 4 to avoid any discrepancies in solution...
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    Re: Dark Spots on Negative

    You answer it correctly Justin, I think.
    I do not know how much tap water should be filtered to be used for developing films.
    But, distilled water should be free of most if not all of this...
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    Re: Drying Large Images

    Thanks for the subject AnselAvedon.
    I should also say:

    Apart from logic speculations, I do not have real experience in this zone:o, my apologies.
    But, how did you solve print efficient washing...
  37. Re: Vertical Lines on Prints / Scans - Please Help!

    Did you ask your self in the first place, why he used squeegee on "Horizontal mode" sometimes and on "Vertical mode" other times, arbitrary?
    All lines are vertical regardless film orientation....
  38. Re: Vertical Lines on Prints / Scans - Please Help!

    Plus of course, how did you develop the prints?
    All points mentioned are equally important as initial step.
    Then narrow your search every step you exclude one or more factors.
  39. Re: Vertical Lines on Prints / Scans - Please Help!

    Hello jmo,
    It looks developing lines, But the films orientation run against that!!!
    I assume all films has the same orientation in the Mod54, all vertical? I do not use that drum actually.
    Is it...
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    Re: Camera Movements?!

    Good study Dave. You will not be disappointed, no matter whatever you decide at the end of your search.
    Fixed camera(like SLRs) focussing is a movement on the optical axis of the lens. Extension or...
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