Distance from the lens to the focal plane when the lens is focused to infinity
Surface in the camera (film or digital sensor) on which the focused lens forms a sharp image
Focal length divided by the aperture diameter
Range that a lens can project on to focal plane
Angle of coverage
A 50 mm lens is called a ? lens. It for,s an image that is similar in size to that seem by the human eye, with the same angle of coverage and no magnification.
Any lens with a fixed focal length
Less than 50 mm in focal length is a ? lens.
Reduces haze or fogginess by absorbing uv Rays also referred to as “haze” or “skylight” mainly used to protect lens
Filter reduces glare off of reflexive surface by not allowing light to enter the lens at harsh angles, also help skies stay blue in photography
Lighten their own color and darken their complimentary color
Why do color filters work the way they do?
Absorbs its own color and allows the other colors to pass through
What colors do the come in?
Red green blue orange
Lenses that are threaded to attach to the ca,eras lens, allow you to get physically closer to the subject
Macro or close up filters
What kind of sets for close up filters come in
+1 +2 +4
What do the numbers +1 and +4 signify?
Higher the number the closer you can get to the subject
What is the difficulty in using these filters?
The depth of field is extremely short, focusing can be a challenge