Question:
Film photography help? (Need answer fast)?
123456789
2012-09-21 01:12:02 UTC
I have a film photography test tomorrow.  I took some notes, but I want to make sure this is right.  

1. Larger aperture (larger hole) = More light = Lighter picture = Actual film is dark
2. Smaller aperture (smaller hole) = Less light = Darker picture = Actual film is light
3. If your aperture is large, shutter speed should expose less
4. If your aperture is smaller, shutter speed should expose more
5. If your film is transparent, it is under-exposed (Shutter speed/aperture)
6. If your film is dark, it is over-exposed (Shutter speed/aperture)

Thank you!
Eleven answers:
deep blue2
2012-09-21 04:14:51 UTC
Whilst your terms may not be grammatically correct for some, yep - you're all correct with the concepts!!
anonymous
2016-12-20 11:55:05 UTC
1
BigAl
2012-09-21 09:14:27 UTC
Your answers are simplistic but correct. You seem to have understood the basics of exposure control. The reference by another to the "exposure triangle" is unnecessary: ISO/ASA is not a variable in the same sense that shutter settings and aperture settings are, one does not alter it from frame to frame. One chooses the ASA settings when the film is loaded. After that, ISO is a constant so can be ignored.
?
2016-04-22 09:42:12 UTC
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?
2016-10-24 02:48:29 UTC
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?
2012-09-21 03:58:09 UTC
In my opinion your instructor isn't doing a very good job of actually teaching you the Exposure Triangle. Apparently he/she forgot to include ISO which is 1 leg of the Exposure Triangle, Aperture and Shutter Speed being the other 2. Also, I prefer the term "opening" rather than "hole" as a descriptive term when talking about aperture.



Ignore the use of "digital" in this explanation because the Exposure Triangle applies equally to film:

http://www.digital-photography-school.com/learning-exposure-in-digital-photography



Your answers are correct as long as the ISO is held as a constant - which it is in film photography and as long as either shutter speed or aperture is also held as a constant.



Here is a hypothetical example using ISO 125 film.



Shutter Speed As a Constant:



f2 @ 1/250 sec. shutter speed = 3 stops overexposed.

f2.8 @ 1/250 sec. shutter speed = 2 stops overexposed.

f4 @ 1/250 sec. shutter speed = 1 stop overexposed.

f5.6 @ 1/250 sec. shutter speed = CORRECT EXPOSURE.

f8 @ 1/250 sec. shutter speed = 1 stop underexposed.

f11 @ 1/250 sec. shutter speed = 2 stops underexposed.

f16 @ 1/250 sec. shutter speed = 3 stops underexposed.



Aperture As a Constant



f5.6 @ 1/2000 sec. shutter speed = 3 stops underexposed.

f5.6 @ 1/1000 sec. shutter speed = 2 stops underexposed.

f5.6 @ 1/500 sec. shutter speed = 1 stop underexposed.

f5.6 @ 1/250 sec. shutter speed = CORRECT EXPOSURE

f5.6 @ 1/125 sec. shutter speed = 1 stop overexposed.

f5.6 @ 1/60 sec. shutter speed = 2 stops overexposed.

f5.6 @ 1/30 sec. shutter speed = 3 stops overexposed.



Changing Aperture and Shutter Speed to Maintain Correct Exposure



f16 @ 1/30 sec. shutter speed = CORRECT EXPOSURE.

f11 @ 1/60 sec. shutter speed = CORRECT EXPOSURE.

f8 @ 1/125 sec. shutter speed = CORRECT EXPOSURE

f5.6 @ 1/250 sec. shutter speed = CORRECT EXPOSURE.

f4 @ 1/500 sec. shutter speed = CORRECT EXPOSURE.

f2.8 @ 1/1000 sec. shutter speed = CORRECT EXPOSURE.

f2 @ 1/2000 sec. shutter speed = CORRECT EXPOSURE.
anonymous
2012-09-21 01:13:24 UTC
Yep.



All correct.



@Photoace: "1 and 2 are backward unless you state "overexposed" in stead of "actual film is dark"."

No, if it's negative film, then "overexposed" IS "actual film dark" - the statements are correct.

I think the "lighter picture" is meant to refer to a print from the neg.
?
2017-03-08 22:44:07 UTC
2
Ari
2012-09-21 01:29:08 UTC
I think instead I write in text please go to this website and look at image and example that is how you can learn quick for test.

Click the URL link below
anonymous
2012-09-21 11:00:17 UTC
All true statements provided you are shooting with negative (print) film.
anonymous
2014-08-31 01:56:07 UTC
hard problem look over google that might help


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