- general black and white films are panchromatic: sensitive to the wavelengths of the visual spectrum so the image recorded is similar to the human eye
- orthochromatic: sensitive to blue and green, but not red
- infrared: sensitive to all visible ligt and infrared
- film care:
- load film in the shade to allow the least amount of light possible near the film
- use before expiration date
- store in the fridge
- film speed: how much a film reacts to light
- the faster the film speed, the less exposure the film needs
- fast film:
- good for dim places
- fast shutter speeds
- more grainy
- decrease of contrast
- graininess is all based on artistic preference
- chromogenic film: C-41 is bW film developed at walgreens, has less contrast and works based on a color film mode, better for scanning, worse for long term
- infrared BW:good for dark places or nature
Chapter 4: Exposure
- exposure, more than anything dictates how well your photo will come out, if at all
- negative: image produced when film is exposed to light and the developed
- reverse tones of original scene
- the more light that strikes an area, the more
- exposure determines light/ darkness of a picture
- you can make a good print from less than perfect print due to exposure latitude
- exposure= intensity x time
- exposure changes are measured in stops
- one stop doubles or halves the amount of light being let into the camera
- all meters measure reflected light and averages it
- meters mess up
- if you take a photo with a light source behind your object your meter will be thrown off by the large amount of light coming from the background and overwhelm the low lit subjects features
- give one or two extra stops to highly light scenes and one or two less to dark scenes
- backlight:
- meter the part of your subject facing the camera without getting the light behind the subject in the reading
- high contrast:
- watch out for overexposing the shadows
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