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  1. Re: Is it a linear progression between 90mm and 150mm?

    Well, I'm back, and I thought about it. :)

    For me, the multiplicative approach (above) works best. Every time I've increased the focal length by 1/3rd, I've "shaved" off close to 12.5% on each...
  2. Re: Boosting contrast with extended development, your choice of film.

    I use HP5+ with D76, and I seem to do OK with expansions that I use. But, there might well be a better combination.

    As a comment, if one's extending contrast by increasing development time,...
  3. Re: Best 75mm / 90mm lens?......totally kidding, but not really...read on pls

    Just a comment . . .

    I used to have the 171mm front format frame on my Arca, and I liked the "wide angle" pleated, leather bellows, because they could handle wide angle optics, yet extend far...
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    Re: Hello from the Pacific NW

    What was his name?
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    Re: Secure selling?

    In the old days before PayPal, I would only take a check for an item I was selling, if it was allowed to clear prior to shipping. Ditto any other type of payment: cashiers check, money order,...
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    Re: Which are the fancy lenses??

    I'm thinking that price depends on the following: Capability, Rarity, and Reputation/Perception.

    Under capability comes, image circle, maximum aperture, focal length, and shutter. Generally...
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    Re: DSLR Film Scanning

    Versus a zoom 24-70mm lens, all be it "macro", I would think that a 35mm, fixed focal length, macro lens would be preferable for DSLR scanning. A zoom lens is prone to chromatic aberration and...
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    Source for 8x10 Ground Glass

    What's a good source for an 8x10 ground glass. (It's for an 8x10 Burke and James.) Thx.
  9. Re: Linhof Master Technika and focusing with Fujinon 75mm f.8

    I think that this is more about the "design" of a Linhof Technika, versus whether or not the OP picked the "right" lensboard. The fact is, focusing a lens this short on a Linhof Technika is a pain...
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    Re: Presence in 8x10 photography

    My favorite definition . . .

    "If it works, it's art."

    :)
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    Re: Good Morning

    Welcome to the forum.

    Although a wee bit on the heavy side, you have a very good camera system. If you don't already have one, you'll need a bag bellows . . . especially for architectural...
  12. Re: Best 75mm / 90mm lens?......totally kidding, but not really...read on pls

    For the 90mm focal length, there's a pretty clear response . . . A 90mm Nikon f8 lens would be excellent. I have one of these. I photograph both landscape and exterior architecture, and this lens...
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    Re: Presence in 8x10 photography

    It's 50% more surface area on the negative. That's quite a bit.

    I've considered going to 5x6.25, which is the largest 4x5 ratio one can pull from a 5x7 negative. But, I print small, so why...
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    Re: Presence in 8x10 photography

    Many excellent points made. I especially like Rod's comments on how contact printing can expand the number of stops that display detail, and his observation that, in viewing the ground glass, it's...
  15. Re: Show Your Compendium Shade on a Field Camera Thread...

    Multiple 8x10's I've had (and have) have been (are) prone to internal reflections. That was true with a 2D that I had, a Sinar, and now with my Oschwald era Arca Swiss.

    I use a Lee compendium...
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    Re: Internal Bellows Reflections

    With what camera?
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    Re: What's your Go To LF body & lens?

    I'll soon be selling my Sinar outfit that I've enjoyed customizing and using. That will leave me with the only camera that I really need, an Arca Swiss kit that I've assembled over the years.
    ...
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    Re: How Much Have We Accomplished?

    My wife and I are retired. While age makes us vulnerable to COVID, our retirement status and income has enabled us to STAY HOME! As a result, it's been a relatively productive year, both in...
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    Re: Specs for 300mm Rodagon-G Enl. Lens?

    Top to bottom using my calipers: 93.7mm.

    But more likely, 93.5mm, given a dimension given in the green table for 300mm Rodagon-G lenses.
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    Re: Specs for 300mm Rodagon-G Enl. Lens?

    So even then, a -G wasn't necessary. Interesting.

    I'm still wondering if there are uses for a lens like this in today's world? But, maybe not.
  21. Re: Linhof MT vs. Technikardan 45s for urban landscapes and architecture

    For a number of reasons, large format RF just does not make sense to me. Medium format RF can make sense, but not large format.
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    Re: Specs for 300mm Rodagon-G Enl. Lens?

    Woe, talk about days past.
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    Re: Specs for 300mm Rodagon-G Enl. Lens?

    Sounds like I have a relic. :)

    (Wait a minute, I'm a relic.)
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    Re: Specs for 300mm Rodagon-G Enl. Lens?

    Thanks Bob for your reply.

    How would a lens like this be used for billboards? Based on size, it makes sense. But, what would be the (simplified) process that makes use of a lens like this? Is...
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    Re: Specs for 300mm Rodagon-G Enl. Lens?

    Thanks for the graphs. Wow indeed!

    It's funny . . . I print small and typically don't print larger than on 8x10 paper. (Maybe I'll start printing 80x100's.:) Trouble is, my darkroom is...
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    Re: Specs for 300mm Rodagon-G Enl. Lens?

    Oren, Thanks.
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    Specs for 300mm Rodagon-G Enl. Lens?

    What is the optimum enlargement factor for a Rodenstock 300mm Rodagon-G f5.6 Multicoated enlarging lens? For example, what's the optimum print size using this lens to which I could enlarge an 8x10...
  28. Re: Darkroom cooling/air conditioning options

    This all relates to a project that I'm just beginning. Please bear with me a bit, it's a little long winded.

    Decades ago, probably the mid to late 90's, I purchased a "Photo Therm" device at a...
  29. Re: what is old is new is old, is new again....

    What's motivating your interest in photography? What are you after?

    Actually, D76 is being provided by another supplier, but under the same name. Ditto Dektol.
    ...
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    Re: How Much Have We Accomplished?

    Kirk, Sorry to hear about your health problems. Old age has a way of being fickle. Hopefully, you'll emerge from 2020 with all those problems having been temporary inconveniences.
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    Re: tank for 5x12

    I've made my own tanks to my specs. We have a local Tap Plastics store that cuts all the pieces to dimensions that I give them. I glue them together. Really works out well; I've made many helpful...
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    Re: Seeking Advice For 11x14 Lens

    Does anyone know the coverage of a Nikon 450 Q, the single-coated version of the Nikon 450 M? If about the same, then this would be a budget conscious lens for 11x14. (Since a 450 M covers 11x14.)
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    Re: Recognizing dagor type G-Clarons

    Would a Dagor type G-Claron 355mm have any advantage over a Plasmat 355mm G-Claron? The latter is an outstanding lens.

    Do the Dagor type G-Clarons exhibit focus shift, like some of the longer...
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    Re: Economical Continuous Lighting

    I have Lowell lights that I've used over the years: three DP Lights, and a couple of Tota Lights. Unlike other Lowell lights, DP's are versatile. They're quite adjustable in that one can adjust...
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    Re: Show off your Large Format camera!

    Boy, not me. I had an 8x10 and couldn't resist getting an 8x20 that was in very nice condition. That "addiction" lasted for one photograph.
  36. Poll: Re: What's your #1 anxiety about LF (in your personal life)?

    My #1 LF anxiety, both when this thread began, and now . . .

    Ilford going out of business. :eek:
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    Re: Photo Cart Based on an Old Golf Cart

    It would be helpful to have a link to an example . . .
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    Re: Photo Cart Based on an Old Golf Cart

    Try checking out "Bagboy" on Craigslist.
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    Re: Photo Cart Based on an Old Golf Cart

    Yes, exactly!

    She also commented that a round of golf was a good way to ruin a long walk!
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    Re: Good light lens for 8x10

    The image circle of a 305mm G-Claron is 381mm. High as that is for a small lens, it's conservative. G-Clarons are known for their substantial coverage when stopped down.

    See . . ....
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