BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
URL:https://www.learndesk.us/class/5826828558139392/lesson/95df524955ad0e743ec17688702e8ee5?ref=outlook-calendar
SUMMARY:2.1. What is a photography ?
DTSTART;TZID=America/Los_Angeles:20260407T190000
DTEND;TZID=America/Los_Angeles:20260407T200000
LOCATION:https://www.learndesk.us/class/5826828558139392/lesson/95df524955ad0e743ec17688702e8ee5?ref=outlook-calendar
DESCRIPTION: How a camera works

The word photography is of Greek origin, meaning “to draw with light” (“photos”: light; “graphein”: to draw). So, as its name indicates, photography is a technical process by which an image is fixed to particular support (usually paper), using light (generally) or another form of radiant energy (such as X-rays). For this image to appear, a photosensitive emulsion (such as albumen or gelatine, with fine insoluble light-sensitive crystals used as recording elements like silver halides) is used on the surface of the paper. Once the surface is exposed to light, an image is created. 

The camera obscura
The photographic process involves, generally, the following key elements:

A previously sensitized surface (support surface),
The photosensitive emulsion,
The photosensitive salts (register material),
And a source of radiation (light).Let’s start off by watching this short Getty Museum video presentation analysing the first...

https://www.learndesk.us/class/5826828558139392/lesson/95df524955ad0e743ec17688702e8ee5?ref=outlook-calendar
STATUS:CONFIRMED
SEQUENCE:3
BEGIN:VALARM
TRIGGER:-PT10M
DESCRIPTION:Class Reminder
ACTION:DISPLAY
END:VALARM
END:VEVENT
END:VCALENDAR