Image creation,
Depth and Size

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Visual image creation

First step: Generation of nerve impulses – The eye

First step: Generation of nerve impulses – The retina

First step: Generation of nerve impulses – The photoreceptors in general

Second step – Beginning of information processing

Third step – Categorization of information

Fourth step: Forwarding and filtering

Excursus – Brain and nerve cells

Fifth step – The visual cortex and beyond

Sixth step – Generation of impressions

Photographic image creation

Carrier of the analog image

The negative film

The reversal film

Electronic image carriers – No image without a semiconductor

Electronic image carriers – CCD and CMOS

Electronic image carriers – analog and digital

Electronic image carriers – Digital weaknesses

What visual perception does and what photography should do


Space perception

Stereoscopy

Convergence and accommodation

Sharpness and blur

Motion Parallax

Progressive covering and uncovering of surfaces

Occlusion and overlapping

Casting shadows

Relative size

Central perspective

Atmospheric perspective

Color perspective


Photographic space mapping

Factors of spatial imaging

Viewing angle

Direction of view

Imaging factors

Control and correction of the central perspective


Size perception

Building blocks of our size perception – The angle of vision

Building blocks of our size perception – The settlement of distance

Photographic size mapping

Factors of size representation – The magnification

Factors of size representation – The shooting distance

Macro shots

Digital recording media

Sizes as we see them

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Since I started my first website in the year 2000, I’ve written and published ten books in the German language about photographing the amazing natural wonders of the American West, the details of our visual perception and its photography-related counterparts, and tried to shed some light on the immaterial concepts of quantum and chaos. Now all this material becomes freely accessible on this dedicated English website. I hope many of you find answers and inspiration there. My books are on www.buecherundbilder.de

If you feel that reading JCSCZEPEK.com is worth the price of a few coffees, I’d greatly appreciate your support via my Ko-Fi page. Every donation energizes me to keep the thing going.

Thank you!
Jörg