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  1. Re: DIY 5x7 fix focus LF Camera Light Leak / Reflection ?

    Looks like the fogging is coming from the side rails of the film gate. I noticed yours doesn't appear to have a groove across both sides that is supposed to match the light trap ridge on the holder....
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    Re: IMAGO Positive Paper

    Anyone know a US distributor of this paper?
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    Re: Large Format Landscapes

    Steve;

    Yes, the background is over 100 feet lower than the foreground. I used some forward tilt on the Intrepid, the bottom of the image is only a few feet from the tripod legs.

    ~Joe
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    Re: Large Format Landscapes

    TMax 100, HC110B, Fujinon 135/5.6, Intrepid 4x5. Sandstone Bluffs Overlook at El Malpais National Monument.

    Scan of 8x10 enlargement.
    ...
  5. Thread: Paper negatives

    by JoeV
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    Re: Paper negatives

    Great image, well done.

    I'm assuming you flashed the print to fill in shadows & reduce contrast?

    ~Joe
  6. Thread: Paper negatives

    by JoeV
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    Re: Paper negatives

    https://farm5.staticflickr.com/4682/25252096498_00c38d0a26_c.jpgPlant003 (1) by Joe Van Cleave, on Flickr

    Arista grade 2 RC glossy, pre-flashed, exposure 3 seconds at f/8. Intrepid 4x5, Fujinon...
  7. Thread: Paper negatives

    by JoeV
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    Re: Paper negatives

    https://farm5.staticflickr.com/4731/39184494241_7f3ff8a817_c.jpgP1000162a by Joe Van Cleave, on Flickr

    Arista grade 2 RC semi-matte paper, pre-flashed, exposure 1/60 @ f/5.6. Intrepid 4x5, Fujinon...
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    Re: INTREPID CAMERA 4X5 Gen 2 Users & Reviews

    FYI, my Intrepid came shipped to me with various edges and corners already chipped off. So far, these are merely cosmetic defects and don't effect the camera's operation. But they are due to the...
  9. Thread: Paper negatives

    by JoeV
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    730,071

    Re: Paper negatives

    Randy, this was rephotographed using a Panasonic m4/3 with the negative in a 4x5 enlarger Negative carrier and copy stand LED lights, then inverted and adjusted in SilkyPix. The Panasonic camera was...
  10. Thread: Paper negatives

    by JoeV
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    730,071

    Re: Paper negatives

    https://farm5.staticflickr.com/4567/24970857138_abc8f8b990_c.jpgP1030658a by Joe Van Cleave, on Flickr

    Grade 2 RC paper, pre-flashed, Intrepid 4x5, Fujinon 135/5.6 lens. Rio Grande north of...
  11. Thread: Paper negatives

    by JoeV
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    Re: Paper negatives

    I confess I haven't done a lot of work with flash and paper negatives (but plenty with paper negatives in daylight). But here's a thought, crazy as it might sound.

    The spectrum of light output by...
  12. Thread: Paper negatives

    by JoeV
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    Re: Paper negatives

    Tony, there's little to no reciprocity failure with paper negatives. I don't understand the part where you say the guide number for film lowers for ISO below 100. The guide number is related to the...
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    Re: Paper negatives Questions

    My paper negative medium of choice has been Arista EDU (Freestyle Photo, here in the US, made by Foma) grade 2 RC glossy paper. It has a low enough contrast, even in sunny conditions, to produce a...
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    Re: Post Your Photos Made At Close Distance

    4" square paper negative pinhole camera, 1.5" focal length.

    https://farm5.staticflickr.com/4310/36163867341_4022b825b9_c.jpgAnts002 (1) by Joe Van Cleave, on Flickr
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    Re: DIY Bellows Idea - Feedback please

    Some years ago I made an experimental non-tapered bellows from stiff black craft paper (a sheet large enough for the four sides to be cut in one piece), where all the edges were reinforced using 1"...
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    Sticky: Re: LF Pinhole - design and building

    Dave,

    Eric Renner's book is considered a modern classic on the subject. He's recently updated the book, here's an Amazon link:
    ...
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    Re: Harman Direct Positive Images

    Great images, John. Well done.

    ~Joe
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    Re: Harman Direct Positive Images

    Squeegee front and back sides, then dry both surfaces with a hair dryer. The insides will still be wet. Then tape the prints face up to a sheet of glass using artists or drafting tape, about 3-4mm on...
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    Re: Harman Direct Positive Images

    FYI, for those interested, here's an updated video about this camera project.

    https://youtu.be/EtP0Lh-z9FU
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    Re: Harman Direct Positive Images

    Harman selfie made with my version of an Afghan box camera. Exposure of 1 second at f/5.6 in shaded daylight.

    https://c3.staticflickr.com/9/8668/29880365034_7530320382_h.jpg
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    Re: Harman Direct Positive Images

    Harman Direct Positive paper image from f/120 film canister pinhole camera, format size 1.75" square, exposure 1 minute in bright shade. Subject is Hermes 3000 "Nekkid-Riter" manual typewriter.
    ...
  22. Thread: Paper negatives

    by JoeV
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    Re: Paper negatives

    Interesting image, well done.

    For scanning reflective media like paper negatives it's much better to scan as reflective than as a transparent/translucent "film," because you won't get the internal...
  23. Thread: Paper negatives

    by JoeV
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    730,071

    Re: Paper negatives

    I use a Jobo test print tank. I'm currently on the road, don't know the model number, but it holds two 4"-by-5" prints along the inside periphery. I use about 100mL of chemistry, rotating the tank on...
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    Re: My 3D printed monorail 4x5 camera ver 0.9a

    Great job on the camera, very inspiring!

    Regarding the paper bellows, I made one from thick black craft paper, then reinforced each fold using black gaffers tape. I applied the tape to all the...
  25. Thread: Post yer pinholes

    by JoeV
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    Re: Post yer pinholes

    Thank you all for the kind comments. I was especially pleased that the compositions worked as planned, given that my wooden box camera only uses viewing dots, on the sides and top, for composing. The...
  26. Thread: Post yer pinholes

    by JoeV
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    Re: Post yer pinholes

    Jon, the regular tour is in the museum and out to the first antenna, but the tour guide says you can arrange to have special tours of the lab. Another thing I noticed is a fenced in dirt parking area...
  27. Thread: Post yer pinholes

    by JoeV
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    Re: Post yer pinholes

    Harman Direct Positive in a 4-by-5 plywood oak box, F/285. The VLA (Very Large Array) radio telescope in western New Mexico. 30 second exposure.

    ~Joe
    ...
  28. Re: Galaxy paper offered for direct positive processing

    They haven't provided any updates at all on the project on their website. And I'm not certain where or how I'd go about purchasing some, given that I didn't get in on the initial KS campaign. Are...
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    Re: Harman Direct Positive Images

    Thanks, Paul. Yes, the paper was pre-flashed (about half the amount I'd normally give grade 2 RC paper negatives - I've yet to quantify the amount of exposure using a light meter, which would make a...
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    Re: Harman Direct Positive Images

    Far northeast Albuquerque, made several weeks ago; the area is now blanketed in snow.

    Harman DPP, 8x10 nested box camera, improvised meniscus lens, 225mm focal length, stopped down to 3mm...
  31. Thread: Post yer pinholes

    by JoeV
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    Re: Post yer pinholes

    Arches National Park, 8 x 10 storage slot pinhole box camera.

    https://farm6.staticflickr.com/5143/5601688890_9259619acf_b.jpgFieryFurnaceView001a by Joe Van Cleave, on Flickr

    About the camera:...
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    Re: Confused about lensless photography and 4x5 camera

    To the OP: There can be a lifetime of fun and adventure with pinhole. Many of us use box cameras instead of LF cameras with bellows, since you can more easily put framing dots or lines on the sides...
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    Re: Very large format wet plate by Ian Ruhter

    I would argue that what you are describing is the craft of wetplate, being able to produce a technically clean plate. The art is in the image itself.

    ~Joe
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    Re: Harman Direct Positive Images

    4x5 Speed Graphic, Ektar 127/4.7 lens. Exposure 3 seconds at f/4.7. Subject is Olivetti Lettera 22 typewriter.

    Photo of print taken with digital compact camera, not scanned. The border effect was...
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    Re: Harman Direct Positive Images

    I've used Harman DPP in a Jobo test print tank for 4x5 sized prints, using Ilford PQ Universal developer, diluted around 1+15. Works great.

    ~Joe
  36. Thread: Paper negatives

    by JoeV
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    730,071

    Re: Paper negatives

    Great image, let's see some more!

    ~Joe
  37. Re: DIY: tape measure for easy bellows extension calculations

    What I do for bellows extension is have a small card that lists the actual diameter of each of the lens f-stops in millimeters. This can be calculated by dividing the rated focal length by each focal...
  38. Re: galaxy-paper direct positive

    This new Galaxy paper sounds very interesting. Graded contrasts, RC substrate for quick rinse and dry for street-style portraits (convenient for use with Instant Box Cameras) and speeds much faster...
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    Re: Harman Direct Positive Images

    I took my 8x10 tailboard box camera up to Madrid, NM yesterday, with some Harman DPP in film holders. I haven't worked with this paper in bright daylight in a long while, and so over-exposed these a...
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    Re: Harman Direct Positive Images

    Now that HDPP is back in production, I felt it okay to begin using my old stock once again. The subject is my Smith-Corona Silent, one of the better typing machines in my collection. Exposure f/8 for...
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