Showing the effect of Focal Length on Angle of View

Simple Pin Hole Camera with adjustable 'film' positions

Wide, Medium (Standard) and Narrow Angle ( telephoto) views of the same building
taken from the same position, with photographic paper positioned at positions:

i. furthest ii. intermediate iii. closest distance from Pin Hole


Camera Negative image <---------> Contact print Positive image

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These notes are a guide based on our practice you should ensure that you follow the recommended Health and Safety practice for your organisation.