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  1. Replies
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    Re: Wide Lenses for 4x5 & 8x10: 90mm to 165mm

    I think I remember you talking about using the Artist’s Viewfinder App, and I understand you’re not really looking for focal length advice. I’ve used it as a visual to weigh a lens’ position in my...
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    Re: Inexpensive 4x5 field cameras

    Yeah! And what's with this black & white nonsense that doesn't look at all like real life?! Sheesh - get it together people!

    Back on topic...

    I've had a Toyo 45A for 25 years or so. I like...
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    Re: 210mm 4x5" ... Which one?

    My seat of the pants decision was to spring for the APO Sironar S at the shorter 135mm focal length, as I use it closer to the edge of it's image circle (4x5). At 210mm, I'm using the N and have...
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    Re: 210mm 4x5" ... Which one?

    Have you found any deficiencies with the Nikon lens?
  5. Thread: Digital IR

    by alan_b
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    Re: Digital IR

    Thanks Jon!
  6. Thread: Digital IR

    by alan_b
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    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=220345&d=1634092013
    Oregon
    D800 / IR Chrome filter

    220345
  7. Re: Focus Stacking with 8x10 Large Format Film...Ben Horne

    Arguments about practicality, cost, PR, etc. aside... rear focussing in this case serves a purpose. He's relatively close to the subject, so any fore-aft movement of the lens will result in...
  8. Re: Does a new luxury 8x10 camera make sense in 2021?

    Well, it has vented grilles at the front and rear rail covers!
  9. Thread: Digital IR

    by alan_b
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    20,162

    Re: Digital IR

    I love all the layers and subtle color in this one!
  10. Thread: Digital IR

    by alan_b
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    20,162

    Re: Digital IR

    Some wind fall from yesterday.

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=220053&d=1633049552

    220053
  11. Re: Which Camera is Thomas Struth using here - please advice

    Hmm, one way to "see what is available" as recommended, is to look at what other photographers are using.
  12. Thread: Building a 4x5

    by alan_b
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    Re: Building a 4x5

    Why not choose an existing small lensboard standard (Arca, Toyo field, Linhof)? Why reinvent something that is readily and inexpensively available?
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    Re: Capture 21 General Usefulness

    Definitely at least wait until they offer a free upgrade to 22. New version usually comes out mid/late fall. *Caution* - free updates are on a version basis, not by purchase date. Many people buy...
  14. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=219645&d=1631648942
    D800fs / IR Chrome

    219645
  15. Thread: Digital IR

    by alan_b
    Replies
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    20,162

    Re: Digital IR

    Nice images Jon, Tuco and Audii-Dudii!
  16. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=219286&d=1630634774
    An older one, from 2010ish. D70

    219286
  17. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    Nice tonality on those, Jon. Is that a full-spectrum conversion on your D810?
  18. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=219113&d=1630184805

    Interstate 5, Southern Oregon
    D800 / IR Chrome

    219113
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    Re: Durst Laborator 138?

    Nice - I have the same thing. Donít hear about those too often. I think I got ripped off though, I paid double what you did! :cool:
  20. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=218781&d=1629305897

    D800fs / IR Chrome filter

    218781
  21. Thread: Digital IR

    by alan_b
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    20,162

    Re: Digital IR

    Out in the smoke earlier today - not sure I even need IR for the surreal in conditions like this! (Yes, I had a respirator on.)

    218717
  22. Thread: Digital IR

    by alan_b
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    20,162

    Re: Digital IR

    I think it's more of a design decision, this use being outside of it's intended application. Newer, more highly corrected lenses might work better, assuming they don't fail on other characteristics...
  23. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    Yes, that's correct. Apart from basic white balancing, color/curves adjustments, color channels are all in the "right" place out of camera.

    The main difficulty is that since the filter passes IR...
  24. Re: What Scouting/Planning Apps Are You Using in 2021?

    I have a Moment wide lens that I use on an iPhone 7, and it shows as wide as 56mm on 6x12 (Horseman 56 x 112mm). It's kind of a PITA to carry the extra lens around, so I'm looking forward to getting...
  25. Thread: Digital IR

    by alan_b
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    20,162

    Re: Digital IR

    Thanks - are you asking about the color? I'm using a full-spectrum converted camera with a Kolari IR Chrome filter on the lens. The filter is designed to be similar to Kodak Aerochrome color IR...
  26. Thread: Digital IR

    by alan_b
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    647
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    20,162

    Re: Digital IR

    Thanks guys, I feel fortunate that smoke was all I had to deal with when so many others lost everything.
  27. Thread: Digital IR

    by alan_b
    Replies
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    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=218670&d=1629061617

    Wildfire smoke last summer
    D800 / IR Chrome

    218670
  28. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=218627&d=1628966715
    Fire salvage logging, Oregon
    D800fs / IRChrome

    218627
  29. Thread: Digital IR

    by alan_b
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    Re: Digital IR

    Very cool - love that inflated building!
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    Re: Too wide of a lens used...?

    That’s what I said?
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    Re: Filters in the field

    Yep, been using the Filter Hive that holds a combination of 4x6 and round for several years. Usually just the insert inside my camera pack. Occasionally I'll use the included outer shell to attach...
  32. Thread: Digital IR

    by alan_b
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    Re: Digital IR

    Great images Peter, Tuco, Jon, Audii-Dudii!
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    Re: Too wide of a lens used...?

    maltfalc is correct, as is easily observable at tabletop or closer distances. Shift the lens and you'll immediately see the parallax/change in viewpoint. Move the whole camera, then counter-shift...
  34. Thread: Digital IR

    by alan_b
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    Re: Digital IR

    No, I haven't. Intended to, then got distracted and never got around to it. :rolleyes:
  35. Thread: Digital IR

    by alan_b
    Replies
    647
    Views
    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=218422&d=1628361039

    D800fs / IRChrome

    218422
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    Re: Arca Swiss F line Metric 4x5"

    I believe "Field" in Arca-Swiss speak means a 110mm (6x9) front standard with 4x5 rear, with a tapered bellows. (Instead of 141 or 171mm standards front & rear.) If you're going no larger than a 4x5...
  37. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    Yes, EVF works with the IR or other filter in place on the lens.


    I leave the filter in place and use live view on the rear screen. Handheld can be done tourist-style, looking at the rear...
  38. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    Thanks Ari!
  39. Thread: Digital IR

    by alan_b
    Replies
    647
    Views
    20,162

    Re: Digital IR

    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=218398&d=1628268621
    D800fs / 093 filter

    218398
  40. Thread: Digital IR

    by alan_b
    Replies
    647
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    20,162

    Re: Digital IR

    Not to get too into the weeds here...

    If you have Capture One, it has a pretty good grain feature.

    Here's a comparison on the last image I posted between PS Gaussian noise and C1 "Silver...
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