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Forum: Digital Processing, Software, and Printing
4 Hours Ago
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I'd think that is something you would do now and then but not on a regular basis after the novelty of it wears off. When I think about at all the film images posted over my years here on PF, small format, half-frame camera posts are far and few between as a data point for the popularity of the format.
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Forum: Film SLRs and Compact Film Cameras
2 Days Ago
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An old photo near Astoria, Oregon. The last time I was at this photo location the building was gone. Apparently, a large tree trunk came down the river, became entangled in the pilings and beat the building down as it thrashed about during a big storm.
Along The Columbia River by tuco, on Flickr
Pentax 6x7, 67 200mm, Plus-X PXP 5057, T-Max Dev
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Forum: Film SLRs and Compact Film Cameras
2 Days Ago
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Updating an image taken in 2013 with 320 Tri-X Pan that had expired in the year 2000. The film was stored in a freezer. The expired film's base + developing fog density was noticeably higher at a density of 0.48 compared to unexpired TXP samples I measured in the range of 0.18. But with scanning we can 'zero the blacks' at any b+f density unlike making a wet print.
Edit: If you were to break the density range of an image into zones of density as in the zone system, zone-one is defined to start at the b+f density and end at 0.10 density above b+f to perhaps give a feel to how high a value of 0.48 is for a film's base density in 13 years of background radiation.
Rob by tuco, on Flickr
Pentax 67, 67 105mm + #1 Ext Tube, TXP Pushed 1-stop, T-Max Developer
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Forum: Ricoh GR
3 Days Ago
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Forum: Ricoh GR
4 Days Ago
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Forum: Ricoh GR
5 Days Ago
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Forum: Ricoh GR
6 Days Ago
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Forum: Ricoh GR
04-16-2024, 02:24 PM
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Forum: Pentax Medium Format
04-16-2024, 02:09 PM
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It could on the off chance that one of the view finders is at one end of the tolerances. Yes, under the shroud. I once replaced my focus matte on my 6x7 and lost one those shims. I had two shims per pin. I didn't think it would matter since the shims were so thin. But it did. My folding hood and prism fit really loose. After searching and searching I finally found the shim and put it back.
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Forum: Pentax Medium Format
04-16-2024, 11:00 AM
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Note too that there are some brass shims installed with the guide pins (disassembly required) that also affect the fit of the prism and other view finders on the 6x7/67.
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Forum: Film SLRs and Compact Film Cameras
04-15-2024, 12:03 AM
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Play Smart by tuco, on Flickr
500C/M, CB 60/3.5 + Yellow Filter, FP4+, D-23
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Forum: Mini-Challenges, Games, and Photo Stories
04-10-2024, 08:16 AM
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I didn't take a picture of this eclipse event. But here is Totality from the 2017 eclipse. I also had a digital camera setup next to this one taking a similar picture. But in all the excitement I forgot to take the camera off auto ISO that was set to max of ISO 6400. So when it got dark it selected ISO 6400. While I don't mind the noise in the picture at that ISO, it is the lower dynamic range and tonal scale of the image that bothers me. Here is the film version.
2017 Eclipse Totality by tuco, on Flickr
Pentax 67, 67 105mm, T-Max 400
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Forum: Film SLRs and Compact Film Cameras
04-09-2024, 03:08 PM
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I didn't take an eclipse picture this event. But here is Totality from the 2017 eclipse. Someone was playing Pink Floyd's The Dark Side of the Moon while the event was happening and it was so fitting and amazing.
Pentax 67, 67 105mm, 400TMY, PMK
2017 Eclipse Totality by tuco, on Flickr
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Forum: Pentax Medium Format
04-08-2024, 01:27 PM
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Having a 90mm or 105mm is a useful focal length of course. And either lens is one I would want to include in a lens lineup eventually. I use both the 90/2.8 and 105/2.4 often enough. The 90mm for when I'm stopping the lens down for near/far DOF scenes and the 105mm more for people and shallow focus stuff. The lens I've used the most in the long run has been the 67 generation of the 55/4. The optics were updated in that generation and it's a focal length you can use with people too.
67 55/4 + Yellow Filter. This lens uses a 77mm filter.
Chuck At S.O.P. by tuco, on Flickr
Mt. Pilchuck Hike by tuco, on Flickr
No Filter
Field Repair by tuco, on Flickr
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Forum: Ricoh GR
04-08-2024, 09:43 AM
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Forum: Ricoh GR
04-07-2024, 10:39 PM
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Forum: Ricoh GR
03-27-2024, 11:27 AM
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My GRIIIx gives me a green, good-to-go focus box on the screen when it finds focus both in normal and closeup mode; otherwise, it indicates a red no-go. So if I was to get a blurry image after a focus lock, I'd begin to suspect something else. Maybe the camera's position changed after focus lock or slow shutter speed kind of thing?
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Forum: Film Processing, Scanning, and Darkroom
03-27-2024, 10:40 AM
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For sure. When I shoot 400TMY @ EI 100, the grain is really fine and the extra dynamic range contributes to a "digital look" too, I suspect. Pushing with Rodinal can give you about the opposite effect.
I'd also point out the scan size and web posting size is also a factor to how much grain you see on these small web image sizes. Commodity scanners advertise high scan resolutions but their true scanning resolution rarely exceeds 2000dpi (higher are interpolated scan resolutions). But some scanners can do true resolution around 3200 to 3900 dpi range. So when your negative is say a 6x9cm format, you can get a decent size image. And when you scale that down to 1024px range for web posting it cleans the image up just like it will clean the noise with digital when you scale a large image down. Some of my postings above were 4x5 sheet film with a scan size range of 14500x11400 pixels scaled down to just 1024px size. So to see some grain, it will take much larger viewing size than I posted.
I frequent a large format forum and people there have images look like mine in terms of grain and smoothness. And some 8x10 negatives look amazing in tonal scale with a high quality scan.
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Forum: Ricoh GR
03-26-2024, 10:55 PM
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