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I'd like to know how to go about testing a film for making in-camera colour separations.

What should I be looking for when looking at spectral sensitivity and density curves?

I'm thinking of...

HI Sandy

Thanks for that. I'd like to pick your brains a wee bit! I'd like to know how you would go about testing a film for making in-camera separations. Also, what should I be looking for...

I'm afraid it's a continuation of the colour separation question!

I've been reading a wee bit more on the subject, and I've found that in the good ol' days, the 'best' film for making colour...

Thanks, everyone. I've got a bit more info now. I'll probably end up posting a few more questions - I've got a new one already!

Thanks, Bill. You're a gentleman! Please send it on the next clipper bound for Great Britain...

I couldn't sleep last night, and ended up reading an old photography manual (dated 1932!) where...

Hi

A few years ago I tried tri-colour gum printing, without much success! I'm now going to go back to basics, and thought I'd initially try scanning the negs into Photoshop etc before learning...

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I'm keen to try some photomicrography (I think that's the correct word) with a 1 0x8" camera. I've never used a microscope, so I don't know whether I need a mic roscope with some sort of...

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I've recently had a couple of goes at cutting 10x8" film down to 10x4". I bought a 12" (maximum cut length)Rotatrim Professional trimmer (made here in the UK). It has a calibrated 'stop',...

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I'm sitting here waiting for some computers to reboot, so I thought I'd ask a qu estion! A local dealer has a special offer on Heliopan Zeiss Softar filters, an d I thought I'd try one. I'd...

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Someone's suggested that the 100XL lens would be ideal as a superwide for 10x8". Has anyone tried it on 10x8", and do you have specs for image circle? I assume the centre filter is essential...

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I'm thinking about shooting some panoramics with my 10x8" camera, and although I could crop after development, I'd like to maximise the use of film by trimming it down to 10x4". Any ideas on...

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I'm keen to try my 'new' secondhand Polaroid 10x8" processor. It appears to be a very old model (I think 81-04 with an 81-05 film holder). I managed to speak with someone at Polaroid who...

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I've just received my first box of Colour ER Polaroid 10x8" film. Ignoring the cost, I'd like to have a bash at the transfer and emulsion lift techniques.

I'd appreciate any tips.

Thanks...

Hi

I'm trying to find information on the various Arca-Swiss filter holders for my 5 x4" compendium hood. The catalogue I have doesn't have the same part numbers th at appear in my distributor's...

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I met someone today who may be selling a G-Claron 210mm and G-Claron 305mm. The y were in a copy camera that he was given, and he'll probably not use them. The y looked in mint condition. ...

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I came across a new lens the other day that a dealer has had in stock for a few years. It seems to be a cheapo Chinese/Japanese lens, called a 'Hege'. It's a 210mm in a Copal No.3 shutter. ...

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Having recently bought a 10x8" camera, I've found that the Rodenstock 210mm Apo Sironar S that I was using with my 5x4" camera isn't really up to the job for ar chitectural shots etc (it only...

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Sorry about the limited information. I'll be shooting on B&W film. I don't have a flash system, although I would consider buying/renting one if it would help. The only light source I have...

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I need to shoot portraits within a dark church. With reciprocity correction, my exposure times are around 3 minutes. I'd appreciate some ideas on how to take a portrait in such low light...

Hi David

I recently bought some retouching fluid. This is applied using a cotton ball, and can be applied to either side of the film to give it a 'tooth'. Another benefit is that it is easier...

Hi

Just a quick question. How many times greater is the surface area of a 5x4" or 10x8" negative compared with a 35mm neg? I know I've read the answer many times before, but I can't find the...

Hi Adam

Although I've not yet tried this myself, I seem to remember reading (possibly on this forum) that you can use a mirror to check subject position. I can't quite picture how to do this,...

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My brother bought me a F-line 10x8" conversion set in January, and I've only jus t gone to use it with my M-line 5x4" camera - it's taken that long for my 10x8" film to arrive! I've built up...

Hi Martin

I tried this a few months ago. and it seemed to work okay. I have an Arca 5x4 monorail, and I was able to remove the groundglass frame (but still retain the camera back). I've got...

Kodak make glass plates? Is this a wind-up? I'm having enough problems sourcing 10x8" Tri-X, and Kodak seem to dropping a lot of materials from their catalogue - I see the latest casualty is ...

Hi

A quick question. What is the thread-size of the tripod-mounting thread on an A rca B2 monoball? I'm planning a new tripod, and I have a choice of 1/4" or 3/8" fixings.

Thanks

Still looking for a new tripod.... Does anyone know where I can find informatio n about the Linhof tripods on the web? The Linhof web-site I've found appears t o be under construction, and has been...

Thanks for all the answers so far. There's obviously split opinion about focal lengths. I suppose my gut feeling is to go with a longer focal length, but the limited depth of field is my only...

Hi

I'm just getting my 10x8" together, and one of my next purchases will be a lens that I can use for portraiture. I would like to aim for Hollywood/Hurrell-style (I've got a tungsten spot,...

Great! I've just got a 10x8" back for my camera, and although I'm still waiting for my film, (Kodak Tri-X 10x8" is not imported by Kodak UK so my normal supplier has been waiting weeks for it), I...

Hi

I'm trying to make up my mind about what tripod to buy for my new Arca M-line 10 x8". I've been using an Arca 5x4" up til now, and find that I sometimes use add itional bellows for close-up...

Hi

I'm just pondering about macro lenses, and when they would be used. Without get ting too technical, what do they actually do? For example, do they allow you to magnify a subject (make equal...

I'm starting to play about with turning my Arca Swiss into a pinhole camera. I would like to have different sized pinholes for differing focal lengths, but wou ld rather not spend money on a new...

At last, I've bought a 10x8" back for my Arca. However, there's obviously going to be a lot more expense. I've just been quoted some prices for a Jobo CPP-2 p rocessor - #995 ($1500), lift #175...

This might be slightly off-topic, but does anyone know if Colorama have a web-si te. I've done some searches, but haven't come across anything yet.

Hi Foley

I've started to look at creating a similar style to Hurell. As a start, I've just bought a tungsten spot, but will obviously need to add more lights.

As others have said, the...

Earl,

I've been making 5x4" platinum contact prints for the last year or so. Before I started, I thought that 5x4" prints would be too small, and thought they would only serve as 'practice...

I've not used an enlarger before, and have been given an enlarger without an eas el. I am planning to make enlarged negatives, from 5x4" originals.

Can you recommend a good easel. I assume the...

I've just been lent/given a (very) old enlarger. It's somewhere between a floor and counter standing enlarger, and looks capable of formats a bit larger than 5 x4" - maybe half-plate. It says...

I know this has been asked before, but I couldn't find a suitable answer in the archives.

Where can I find the ANSI measurements (in millimetres, preferably)for a 5x4" fi lm holder ?

Also, what...