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I have used both Zack's and Bob Watkins. The latter CLA'd my Copal 3 earlier this year. I must have gotten lucky -- it was back to me in less than a week.

Maris, thank you for your contribution, which is very helpful indeed. In fact, my 4x5 carrier has a custom inset of white plexi in the top window, for use with a hand-penciled or -marked masking...

Greetings and welcome. This is the place to be for LF. I have a 645 system from my pro days that I keep in running condition along wit my 4x field camera. Looking forward to seeing some of your work...

Drew, I think you may have missed the beginning of he thread. I'm trying to avoid a texturing pattern on a diffusing material above the negative stage. Eric Woodbury, see above, offered one solution...

Just out of curiosity, I looked up depth-of-focus calculation today. Leaving aside the confusion, of many, with depth-of-field, I am trying to understand how to apply the formula, which is not as...

Bob, that's interesting! So, I should be getting calculations for the 135 instead -- I am, of course, assuming that the depth-of-focus in the enlarging lens is at the back, as it is in a taking lens,...

Chauncey, I'm sorry if I was unclear. I did say that my 135 is my only lens for 4x5. I chose the 50, because the shorter focal length, unless I'm mistaken, will have the greatest depth-of-focus (and...

I am, albeit I have the Bogen precursor, i.e., the model number changed from Bogen 3221, the black version. I chose it to replace my 3051, which was great but simply too much to lug around,...

Nice. I already adapted something similar that comfortably holds my 14 holders, but it was more work. A useful share.

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For those interested, this is my adaptation of Fred Picker’s design for a gel holder. My appreciation goes to several forum members who responded to my request for a source for banding steel (which...

A grain -- I get it.

I need some assistance from an optical guru in the audience. This is a specific problem requiring an optical calculation for depth-of-focus of a specific enlarging lens.

Background
In the course...

Welcome, Joey. This is a great forum. You have more than twice the lenses I have. What kind of work is most interesting to you,or do you just love it all? Have you worked in other film (or digital)...

Steve, thank you. I have a mic stand, since I do some recording occasionally, but it is heavier and bulkier than my old PIC stands mentioned in my OP. One or two of those are a simple carry to...

Neil, what a marvelous portrait!

Ansel Adams (surprisingly to some) wrote about making so-called environmental portraits in which the setting is more metaphorical than literally connected to the...

I appreciate your interest. I have ordered the lab clamp I linked above. As indicated, I had to keep the budget austere, and the device needs to clamp onto the skinny top section of my PIC stand and...

Thank you. Graeme. As indicated in my original post, I will use the flashlights for accent lights in interiors, so the porch light will be for other occasions. I am not in any way a fan of Avedon,...

Well, I am a fan of gaffers' tape, but I will have to chalk up to my lack of mechanical prowess my long experience with tape of any such kind, that items awkwardly taped, such as a flashlight on a...

Thank you, gentlemen both. Yes, I know that filters fade. These have been well kept and handled, and while they may not be full-intensity, they look close by eye and, as I indicated, the negatives...

Lovely, Peter.

Some of the small, inexpensive LED flashlights have gotten sufficiently powerful that I have ordered a couple to use as accent lights in interior location portraiture. They can be focused from flood...

This is one probably of the older-timers.

Having recently purchased a set of Wratten gels, I took the #38 blue out to see what it might do for our clematis. I gave it a factor of 2 just looking by...

Money laundering?

I was not aware of Greg Heisler until fairly recently, though I had seen some of his portraits. I had long ago seen this book at a store and scanned some of it briefly, but put it down without much...

Interesting idea, Mike.

I continue to enjoy your work, newtorf.

I would second Oren's questions. While it is true that structure (grain, etc.) is not the issue in LF that it can be in smaller formats (assuming, at least, prints of moderate magnification, and 4x5...

I just looked this up. Unless I am reading wrong, the film receives extra exposure when the lens is stopped down, because the shutter blades have, upon partial opening, already uncovered the totality...

Well seen, kazehai.

Kumar, that's quite an apparatus, a testament to the extensive thoughtfulness that went into professional design in an economy that valued industrial quality and innovation.

Handsome work indeed, Christopher!

Hey, folks, I just OCR'd my PDF of the complete Zone VI newsletters and found Fred P's complete description. It in Dec. 1977. If anyone's interested, I'll transcribe it.

John, thanks. I'm the world's worst builder. Can you offer a drawing of the design? I can imagine something, but I'd do it wrong.

I can, however, imagine gluing vertical pieces of stiff black...

Ic-racer, interesting third photo. Is that for agitating the film?

In pursuit of a Wratten 47 gel for enlarging, I picked up a set including 6 other gels as well -- red, yellow, and green -- nearly all mounted in black metal frames, for $10. Made my day. Anyway, I'm...

Skiper, this is one astonishingly rich image, and a very painterly composition.

well done, Kopfbangerchecn.

szadow, this is a fine portrait. Beautifully handled, in this soft, high-key tone. Focus is just right, not just technically but compositionally; juxtaposition of subject and background is very...

Sruddy, Doremus, as always, has stepped in with clear, concise advice. I would only add this:

You said you are just starting in 4x5 and have two lenses, looking for a third. You haven't mentioned...