Lesson 4 Define the terms principal axis, focal point, focal length and linear magnification as applied to a converging (convex) lens. Define the power. - ppt download
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Lesson 4 Define the terms principal axis, focal point, focal length and linear magnification as applied to a converging (convex) lens. Define the power. - ppt download
Understanding Your Camera: Focal Length, Field of View and Angle of View Defined : Martin Pot - Photography Blog
Define focal length.
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