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  1. Replies
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    Re: 8x10 film processing

    Those I mention with 4 wires detect elevation of the drum, top and bottom positions.

    Those two for the disposal chem nozzle have 3 wires: One detecs the reference position, and the other detects...
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    Re: Indexing Outstanding Forum Threads

    Perhaps this can start like Dan's list of optic information, an external list in the cloud that is linked in the first post of a public thread.

    So it would be a normal thread in what anyboby may...
  3. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    This is not only a conversion, it is a conversion plus an image enhacement tool.

    Today image enhancing software (in portrait) detects gender, race, skin type, hair color, age, eye color, face...
  4. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Problem is not the scanner. But the man in NYC knows how to edit color, as many Pro scanner operators.

    See here how Pali K nails exactly the same colors in a side by side of two Creos, a Scanmate...
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    Re: Indexing Outstanding Forum Threads

    Yes, here there is an impressive vault of information, knowledge and wisdom, but also millions of posts around.

    An advanced user knowing how to search what he wants often finds it quickly, but...
  6. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    The effective pixel or effective dpi is the way different digital devices are compared, and the way Image Quality is scientifically Predicted for a print size.

    Personal testing is also fine, of...
  7. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Presently I enjoy through the negative quality, dude. Optic printing, which places all quality in the negative on paper, not 1/10 of it.
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    Re: 8x10 film processing

    By now I control all components of the ATL 2500, it is a machine impressively well designed, but service can be a nightmare. Only there is a sensor that I don't understand: The arm has two 4-wire...
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    Re: Indexing Outstanding Forum Threads

    Not only oustanding threads, but perhaps also outstaging posts explaining some interesting concepts can be indexed, this is one from my collection:
    ...
  10. Re: Creo iQsmart3 and Supreme II scan speed

    Scan at highest resolution in both cases, sharpen to the best point each and reduce both to 2400, then compare, this is what tells the truth.

    A machine may scan internally at higher dpi and then...
  11. Re: Creo iQsmart3 and Supreme II scan speed

    Probably you have some problem in the side by side, the Epson 12k delivers 2150dpi effective, and 3900 the Nikon 9000. Not doubt that the Nikon CoolScan 9000 has a way better resolution, but at...
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    Re: 8x10 film processing

    Not my life :)

    This is how I had the ATL 2500+ yesterday :) :) :), I make a new control electronics, I substitute the distributor+malta cross by 6 solenoid valves plus a servo... We have all the...
  13. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Tell me one that has that effective yield:

    https://www.dxomark.com/Lenses/Nikon/Nikon-AF-S-NIKKOR-85mm-F18G-mounted-on-Nikon-D5200__850


    When scanning we have to rely on effective numbers, not...
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    Re: 8x10 film processing

    Ansel Adams primarily used sheet film developed in trays, but also Karsh and Weston, enough said ?

    Temperature control/consistency in a Jobo is not that good for BW in summer, it can heat up the...
  15. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    Same resolution but not the same sensor surface.

    It all depends on the lens quality, but in general a larger sensor with available "commercial" optics will deliver a better result. I pixels are...
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    Re: E6/Positive LF film?

    Others think the counter, YMMV. Technically Provia is a bit better, aesthetically, it depends on taste.
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    Re: E6/Positive LF film?

    Thanks, I tagged it !
  18. Re: Should I Drum Scan, X1 Flextight Scan, or use the Epson V850 w/Aztek Wet Mount Ki

    You may use a DX / APSC sensor camera, but you'll have to stitch more crops to get the same quality, a Full Frame may deliver around 30MPix effective, with a 24x16mm you may get around 16 MPix...
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    Re: E6/Positive LF film?

    Yes...

    A 120 Provia roll is now $8.5, if Fuji was selling sheets at same "per surface" price a 20 sheets box woud cost $42, in sheets we have a 200% overprice, very sadly.

    So a good choice is...
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    Re: IR 760 filter - rating film speed

    Probably most of the exposure was made by light not reaching 760nm that was not well blocked by the filter.

    See the filter marketed as "760" , it allows to pass a substantial light amount from...
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    Re: Bleach bypass for C41 and/or RA4

    It "traditional" cinematography bleach bypass could be performed in any step, it could be made in the original camera negative, in the interpositive, in the internegative, or in the final prints that...
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    Re: 8x10 film processing

    Fred, I'd recommned you to try the Bergger Roto-Additive for PMK, you will find that general stain decreases with PMK in rotary, we have found that it decreases it to the level in trays.

    Of course...
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    Re: 8x10 film processing

    Ignorance + Rudeness = xxxx

    https://bergger.com/bergger-roto-additive-pour-pmk-250-ml.html?___store=bergger_fr&___from_store=bergger_en
    ...
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    Re: 8x10 film processing

    The holes in the Expert drums are not cylinders ! This allows the chem to reach the sheet back and to remove the anti halation layer. It has to be a quite expensive mold, and with the low production...
  25. Re: Epson V850 work-around for scanning 5x7 negatives.

    The Epson does not reach 3200, it makes 2300 in the vert axis and 2900 in the Horizontal, 2600 effective averaged. This is if scanning at high dpi, 4800 or the like.




    Regarding resolution,...
  26. Re: Handheld 4x5 shooting with a wista rf and on-camera flash.

    I know that photographer, he is Scotty Summers :)


    https://dirtbikemagazine.com/wp-content/uploads/2016/06/twebb_0001-750x525.jpg

    197906...
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    Re: 8x10 film processing

    I've chem and air room temperature at 20C, so total consistence.

    In most cases it's irrelevant having a little shift in the development degree, 20s more or less equivalent development is...
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    Re: 8x10 film processing

    Bryan, with trays you can do continuous agitation which is rotary without drawbacks. Compared to tray with continuous agitation rotary only has the drawback of oxydizing the developer, so some...
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    Re: Building a vacuum frame

    Regular clear window glass should be fine, this is a typical transmission spectrum:

    197882

    See datasheet of your lamps to see the spectrum you throw on the glass, see what share/power it is...
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    Re: Ebay - lenses from Japan

    The Bultaco also ?

    Only a brave comanche can ride a wild Bultaco :)
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    Re: 8x10 film processing

    In the tray you can make all, from continuous agitation to stand, with all the flavours in middle. I case you make semi-stand or stand ("extreme minimal agitation") the tray has an advantage as it...
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    Re: Drum scans in Montreal?

    Matthew, I've been reading your V750 vs Drum side by side (https://studiomatthewbrooks.com/Epson-flatbed-vs-drum-scanner) and I've some objections.



    "a V700, V800, or V850 which all use the...
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    Re: 8x10 film processing

    Peter, you know perfectly what I meant in my post, what Film Development Cookbook explains.

    Reduced agitation is a resource that trays have and rotary not, cutting time in the rotary is not the...
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    Re: 8x10 film processing

    Cutting time from a rotary processing is not the same than compensating. By cutting time the development in all the tonal range is equally affected.

    Instead, in compensation the development is...
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    Re: 8x10 film processing

    Best way to start is tray processing, IMHO. Develop inside a Paper Safe used as a tray. Close lights to move the sheet to the stop bath, then open lights after 30s and do the rest lights open, while...
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    Re: Drum scans in Montreal?

    If you want contact copies of a USAF 1951 glass slide on ADOX CMS 20 film to evaluate what the drum and the X does, compared with the Epson, then please contact me by PM.
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    Re: Process lens image circle nature

    Yes, I learned that time ago in your article http://www.galerie-photo.com/apo-process-nikkors-en.html
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    Re: Which lens next?

    In fact, today portraits are massively made with shorter than normal focals. We call "Selfies" those nose jobs :)
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    Re: Process lens image circle nature

    Ronars and Artars are also dyalites, with similar behaviour.
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    Re: Process lens image circle nature

    My LOMO O-2 600mm, a dyalite type, covers 41 in the specs but it illuminates around 90, with increasing softness when going beyond the specified coverage circle.

    Illumination circle of...
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