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480sparky
Joined: 16 Apr 2013
Posts: 355
Location: Iowa
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 Posted: Fri Apr 24, 2015 8:36 pm Post subject: Who needs film? |
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480sparky wrote:
Had an idea last night that I just had to try today.
Instead of buying film to put in a camera, why not put in paper, develop it, then scan & invert the image?
So this afternoon I cut up some Ilford MG to fit into the Kodak 3A, and taped it in place.
The result: A 'paper' negative!
A quick scan & crop nets a positive image:
Not something I'd do every day, but a fun little experiment! Plus, the paper can be handled with a safelight instead of total darkness. |
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cooltouch
Joined: 15 Jan 2009
Posts: 9096
Location: Houston, Texas
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| Posted: Fri Apr 24, 2015 10:22 pm Post subject: |
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cooltouch wrote:
No reason why it shouldn't work. It's all basically the same chemistry.
I've heard of people who make their own pinhole cameras who mount paper inside the cameras instead of film. Same difference.
For somebody like me, who's transitioned to a "digital darkroom," it would mean going back to a wet darkroom to develop the paper -- converting my bathroom in my case.
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philslizzy
Joined: 07 Aug 2012
Posts: 4745
Location: Cheshire, England
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| Posted: Sat Apr 25, 2015 8:03 am Post subject: |
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philslizzy wrote:
A good idea, many people using plate type cameras use this method.
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TrueLoveOne
Joined: 30 Sep 2012
Posts: 1839
Location: Netherlands
Expire: 2013-12-24
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| Posted: Sun May 31, 2015 7:39 am Post subject: |
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TrueLoveOne wrote:
That is nice.
I wonder, how do you calculate exposure?
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
Expire: 2014-01-07
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| Posted: Sun May 31, 2015 7:44 am Post subject: |
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iangreenhalgh1 wrote:
Nice work.
I've done quite a lot of paper negatives and find that different papers work to differing degrees of success. I rate them at very low ISO then develop in a tray under a red safelight until I see the density level I want.
The one big drawback is sharpness - paper negatives simply aren't very sharp. This is not an issue really with 4x5 and larger, but I was shooting 6x9 so it was an issue.
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480sparky
Joined: 16 Apr 2013
Posts: 355
Location: Iowa
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| Posted: Sun May 31, 2015 8:16 pm Post subject: |
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480sparky wrote:
| TrueLoveOne wrote: |
That is nice.
I wonder, how do you calculate exposure? |
Use ISO 6. My Gossen goes down to 3, so that's not an issue. |
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TrueLoveOne
Joined: 30 Sep 2012
Posts: 1839
Location: Netherlands
Expire: 2013-12-24
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| Posted: Mon Jun 01, 2015 6:23 am Post subject: |
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TrueLoveOne wrote:
Thanks! i should try this one day.....
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philslizzy
Joined: 07 Aug 2012
Posts: 4745
Location: Cheshire, England
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| Posted: Tue Jun 02, 2015 10:20 pm Post subject: |
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philslizzy wrote:
| 480sparky wrote: |
| TrueLoveOne wrote: |
That is nice.
I wonder, how do you calculate exposure? |
Use ISO 6. My Gossen goes down to 3, so that's not an issue. |
Any meter will do. They all go down to 25 ASA, and 3 ASA/ISO is just three stops lower than 25, so its not too difficult to calculate the exposure. Even sunny 16 works:
Bright sun 1/4 f16 = 1/30 f5.6
Hazy sun 1/4 f11 = 1/15 f5.6
etc. etc.
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