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Thanks, Vaughn. I found a nut on the back of the analogue dial. Anchoring this and rotating the dial, I turned it to read the same as the digital thermometer.
Scaffolding now removed!

Reporting back from my first post having sealed off all pinholes in the bellows and ensuring the Stearman tank was carefully sealed while in the changing bag. FP4+ at ASA 80, developed in 1:31...

Thanks for all the responses.
All shots taken with the 150 mm lens but the last was at a smaller subject distance with a longer bellows, supporting MartyNL’s theory.
I have made some preliminary...

Not a folding bed on the Wista 45DX but thanks for the reply

Attached are four JPEG images of FP4+ 5x4 negs captured on a Wista 45DX with a Symmar-S 150mm f5.6 lens at f22. Developed in Ilfotec HC 1:47 in a Stearman Press SP-445 tank.
To me they each show a...

It’s Ilford FP4+

I always do try to make sure that I feel the film travelling beneath the guide lugs on the rails but accept I perhaps did not do so with this sheet.
I’m glad I posted this query because of the...

As requested:
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Thanks for the replies. I think Doremus is right - I need to take more care with loading. I always feel for the lugs on the rails and ensure that the film is passing correctly beneath them but will...

I am using 5x4 sheet film in a Wista 45DX.
Occasional frames are not being exposed ‘squarely’ in that the exposed film is slightly oblique to the edges of the film.
I have yet to see whether it...

I have a 150 mm Symmar-S f 5.6 mounted on a shutter that’s only brand labelling is ‘Lens made in Germany’ and the numbers 051-30.
I am unable to confidently fit the cable release to the shutter. Its...

I use a Sony Alpha 7III with a Canon EF 100 mm macro lens with adaptor. I have an LED light panel with a sheet of perspex to diffuse the light and the 5x4 negative lies flat on the perspex. I have a...

Hi, Michael. That was really helpful.
I tried the first option, overlaying the Stouffer strip on an unexposed developed frame and aligning it with the Zone 1 and then Zone 8 exposures to compare....

I now have a Stouffer 21 step wedge, and have exposed several frames on roll film of a white card out of focus at zones 1-8. I am wanting to assess visually the tones on my negatives against the step...

But developer dependent? I have been following Peter Finch's 'Pictorial Planet' Youtube feed https://www.youtube.com/watch?v=fIdQ5CZsFVA&ab_channel=PictorialPlanet on testing FP4+ with Crawley's FX55...

Just looked back at some 5x4 negs developed in a Stearman tank. Those developed in Ilford DD-X are perfect while those in 510 pyro all show some ‘streaking’ on the non-emulsion side adjacent to the...

I shoot only black and white and develop it myself at home

No torture. I love the tactile element of loading and unloading film, the swishing around in chemicals, the variability of treatment of film with regard to developers and development times, and that...

Thanks everyone for all the input.
I like the Stouffer step wedge approach. So for clarification; if I expose a 35 mm or 120 roll film at a series of exposures of a plain evenly lit surface, making...

I process my own B&W negatives using Patterson or Stearman tanks. I have used manufacturers or Massive dev charts to arrive at development times but have no objective way of assessing Zone 1 and Zone...

Most of my photography is film based. I don’t have a darkroom or enlarger and ‘digitise ‘ my 35 mm, medium format and 5x4 negatives either by film scanning or photographing negatives with a macro...

As well as the uneven development, I find linear ‘deposits’ on the non-emulsion side of the negative that correspond to the vertical struts in the negative holder in the Stearman tank. I was using...

Unless I missed it, the OP didn’t specially mention pyro. However if he did use 510 pyro, this mirrors my experience with the Stearman tank with darker edges and uneven development noticeable in sky...

A small group of members of my local camera club meet fortnightly by Zoom, each showing recent images, sometimes though not always sparking a discussion. I find this a very satisfying and...

I am not exactly sure .. compulsion ?[/QUOTE]

A good question, and that’s not really an answer. What compels you?

I had no problems with 5x4 FP4+ in Ilford DD-X, but definite dye remnants on the non-emulsion side with 510 pyro. As Abruzzi states, it can be cleared by gently massage with thumb/fingers under...

Leslie Stroebel publishes the following table in the latest edition of View Camera Technique.
Distance ration is the ratio of len’s to near focus and lens to far focus, and focus fraction is the...

So a little indoor practice today. I fixed a centimetre scale to the bed of my Wista 45DX, and estimated the distance between near and far focus on the scale.
For near infinity far distance, I moved...

Thanks Bernice and Doremus - really helpful. Now to get back to that tree. Oh, it has started a week’s worth of rain here in the north of England. Guess I am going to have to set up some indoor...

Thanks for the clarification

I believe my thinking was that knowing the depth of field was going to be very limited, I risked having nothing in focus unless I concentrated on the important part of the image. It’s easy enough to...

Lens focussed on bright bark half way down right edge. I was at f32 with only f45 available additionally on my 150 mm Symmar.

Here is the image which I should have shown in the original post.
Looking at it once more, I am not sure camera movements could help in increasing the depth of field. Am I correct?
227874

Certainly an option. I have a pinhole on a Lensbaby Edge 35 mm format, and a newly delivered Pinsta 5x4 pinhole camera which is designed to take Harman Direct Positive Paper but would take sheet film

Doremus,
Thanks for the link. Some bedtime reading!

Thanks for the thought provoking responses with ideas for me to try.
I was exposing at f32 with f45 available to me but avoided because of diffraction, so might be worth trying to assess any...

Recently I was photographing detail on a tree trunk on 5x4 with a 150 mm lens.
Predictably, close in, depth of field was very small. I had thought that increasing the distance of object to lens,...

I have been using 510 pyro on FP4+ sheet film in a Stearman Press tank in a semi stand technique with 2.5 mls of 510 to 500 mls of water and found that I am getting a deposit on the non emulsion side...

Caution to the winds!

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Many apologies, I misread the information. It is a reduction of exposure required as correctly pointed out in the thread. I agree, it is an irrelevant though interesting point as regards real world...