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 Post subject: Pinhole Camera
PostPosted: Tue Apr 15, 2008 9:05 pm 
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Joined: Mon Jan 21, 2008 9:28 pm
Posts: 1065
Location: Syracuse, NY
I built a pinhole camera a couple weeks ago and although I've only got 1 semi-successful print (3 attempts) This is the actual camera. The last print I tried developing my mom wanted to take, she thought she could hold it still for 20 seconds. I'm like mom, I cant do anything more than 1/10 of a second without it shaking. (didn't develop it right anyway)

First the cropped color version, the bottom items are tiles, bought them from the dollar store 3 for $1.00. They look a bit like conglomerate so i got them.

Image
# Exposure Time (1 / Shutter Speed) = 10/250 second = 1/25 second = 0.04 second
# Lens F-Number/F-Stop = 340/100 = F3.4
# ISO Speed Ratings = 100
# Original Date/Time = 2008:04:14 22:40:58
# Shutter Speed Value (APEX) = 470/100
Shutter Speed (Exposure Time) = 1/25.99 second
# Aperture Value (APEX) = 350/100
Aperture = F3.36
# Flash = Flash did not fire, compulsory flash mode
# Focal Length = 1000/100 mm = 10 mm
# Image Width = 2136 pixels
# Image Height = 2848 pixels


Second is Black and white:
Image
# Exposure Time (1 / Shutter Speed) = 10/400 second = 1/40 second = 0.025 second
# Lens F-Number/F-Stop = 330/100 = F3.3
# ISO Speed Ratings = 100
# Original Date/Time = 2008:04:14 22:43:14
# Shutter Speed Value (APEX) = 530/100
Shutter Speed (Exposure Time) = 1/39.4 second
# Aperture Value (APEX) = 340/100
Aperture = F3.25
# Flash = Flash did not fire, compulsory flash mode
# Focal Length = 930/100 mm = 9.3 mm
# Image Width = 1032 pixels
# Image Height = 2084 pixels

Cropped/Black and White in photoshop


B+W added some Vignetting in photoshop
Image
# Exposure Time (1 / Shutter Speed) = 10/400 second = 1/40 second = 0.025 second
# Lens F-Number/F-Stop = 330/100 = F3.3
# ISO Speed Ratings = 100
# Original Date/Time = 2008:04:14 22:43:14
# Shutter Speed Value (APEX) = 530/100
Shutter Speed (Exposure Time) = 1/39.4 second
# Aperture Value (APEX) = 340/100
Aperture = F3.25
# Flash = Flash did not fire, compulsory flash mode
# Focal Length = 930/100 mm = 9.3 mm
# Image Width = 1032 pixels
# Image Height = 2084 pixels


And of course the set up shots:
http://flickr.com/photos/21896544@N02/2416200391/
http://flickr.com/photos/21896544@N02/2416201401/

I think between those to you can get an idea of whats going on. The one light thats higher up is for 3 things: light the top of subject, light background white card that doubles as a back fill.

Alex, just read your comment, are you talking about the rock background? It looks pretty good in B+W. Reflectors = Cardboard foil and small dollar store tripod legs all taped together.

Jake

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"Photography isn't so much about the results as it is the collective experience, your interactions with people and with the world"


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