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you say that it's spread over 2 boxes of film. if it only happens with random sheets then I would suspect one of your film holders.don't use expensive film cut some black and white paper to size, you...

I use 2mm plywood of good quality
bob

if your making the your own camera back and dark slides you may make them what size you like, to fit the film you intend to use, buy some cheap ortho film, to play around with.. the only critical...

I've an epson gt7000 which I use to scan my 5x4s but it puts this strange line down the scan can anyone tell me what it is? and what to do about it?
bob

if your using ortho film then you can develop under a safe light..I use Jim Galli's method.. time. your development until the full image appears say 2mins, and that is 1/4 of the development time, to...

I've got some Fotospeed FD10 one shot developer, which I use on 120 film, my question is how many sheets of 4x5 counts as one shot?

bob

does anyone Know what effect the european ban on frosted light bulbs will have on enlarger lamps?
some of us still use vintage enlargers

bob

I tried it with tetenal variospeed w diluted 25mm in 500. for 12 mins. the results are a little grainy but the tonal range seams ok. see attached, more experiment, I feel is called for ,
thanks for...

for a number of years now I've worked with the ortho film of Arista's and devloped it in a dilute paper developer, but I now want a bit more speed, say 400asa instead of 5asa, I've also began to...

what is the differance, in strenght between paper and film developer? which is the stronger? would it be possible to dilute paper developer to process film? I know you can do it with Arista litho...

That's very nice. a job well done, enjoy it.

bob

this is a negative from a roll of film I put through an old kodak camera does any body have any Ideas what the various defects are??

bob

Have a read of this it helped my understanding of fstop and shutter speed
http://www.fredparker.com/ultexp1.htm

bob

I like them, the one with the leaves is great

bob

I couldn't afford a full tree will this one do?

bob

Gosh, that's a lot of bellows, what on earth where the exposures at such extreme lenght
bob

I just use the bulb (B) setting on the shutter, small f stop, open the shutter,
fire the flash by hand.

bob

watch the photographic section of ebay, it gives you some idea of whats about and what it costs

bob

I have a cheap folding golf trolley with a plastic storage box fixed to it, works ok on Linconshire fields. not sure about other places

bob

this is a 4x5 neg, arista ortho, made with 105mm Kodak anastigmat lens from sometime in the thirty's, from a 8 on 620 film. which I made into a wooden point and shoot, and to get the clouds, a Kodak...

what's the best thing for cleaning the glass of a flat bed scanner (epson gt7000)?
I seem to get and awful lot of dust marks and hairs on it

bob

You don't say if they are wood or plastic, or what make, my plastic riteway developed the same sort of split, I used Humbrol liquid poly cement on it and it fixed it ok. But you really should test...

here is a link to most avaiable threads that may help. Remember that you can get metric fine threads.whch are finer that standard metric threads it sounds to me as if it may be one of these ...

I'm not sure about the camera's you ask about, But the normal thread is 1/4" whitworth thread at 20 turns per inch, the other thing to do is to tap out the holes to the thread you use,and match up...

I've made four cameras, one 5x4, two half plate, and one 5x4 point and shoot.
I made the 5x4 with full movements, it was compleatly made of wood, and worked fine
but then I realised I just wasn't...

I think you should go stright away to film don't waste money on digital. Start with orthochromic film which you can devlope in trays under a red safe light so you can see whats happening to your...

for the polaroid 550 holder you need you need film fp-100c45.. the 45 bit is the important bit as this gives you a large 4x5 print.

bob

ps here's a link to the stuff you want...

I'm going to buy a second hand a3 printer mainly for black and white art prints.
should I buy an inkjet printer or should I buy a laser printer? and will a mono laser printer give good photographic...

this is me taken by my grandaughter on my 5x4 crown graphix
bob

have a look at this...

I have a russian Industra lens 300 mm f4.5-f64. no shutter,(expose with lens cap, ) which I use with a half plate monorail that I built for it, mainly for close up, But it's glued on a graphix lens...

5 x 4 graphix
5 x 4 monorail (homemade)
Halfplate monorail (homemade)
2 : 8 on 120
2 : 12 on 120

Thanks for the advice. I adjusted the paper thickness in printer setup. changed the ink
which I think was running out, and then still stuck I found the grey scale control and inverted that which for...

Joseph,
are you making the holders to fit a camera you already have? in which case make the holder to fit it, the only really accurate measurment is that the film and the ground glass lay in the...

If it had been 4 1/2 by 6 1/4 it would have been half plate it looks like it must be a european size

bob

This is my grandaughter, Shot on a homemade 5x4,the film is aphs ortho developed in
tetenal eukobrom, Sunny 16, I/5th at f16

bob

I have an epson stylus D-88 in which I don't use epson cartridges as there to expensive, The compatibale ones I use are made in the USA and I've just paid £7 for three black cartridges, that includes...

I'm trying to set up my epson stylus d88 for black only printing, I use Ubuntu 7.4
when I set the printer to black only I get thin stripes down the picture as if one bit is missing, but when I set...

now that is large format, he seams a really inventive guy and I like his attitude to it all

bob

compressed in the camera , with the camera upside down, they stiil sag a little 'cos there home made and heavy

bob