LENS/CAMERA notes

Camera&Lens Notes//
DSLR- Digital Single Lens Reflex
SLR- Single Lens Reflex

• SLR- With a black shutter and uses one lens.

If a lens has more glass, it will have less exposure and the shutter of the lens would be more open.

A picture is made up of these three components with help of the camera:

Shutter speed controls the motion blur of a photograph, ISO controls the sensitivity of light entering the lens and Aperture creates depth of field within a photograph.

A 17mm Lens has a short distance, it has an equation between width of entrance pupil and film plane (the two glasses within a lens)

A 85mm Lens has more distance between the glass inside.Zoom in and it creates a narrow angle.

Lens in action when using a Bokeh effect:

(All diagrams drawn by me)