Photo & video guides
Clear, to-the-point explanations of aspect ratio, resolution and audiovisual technique — each connected to the calculator that puts it into practice.
16:9 Aspect Ratio
What it is, its pixel sizes (4K, 1080p, 720p…) and where the standard video format is used.
4:3 Aspect Ratio
What it is, its origin in 35 mm film, its resolutions and its advantages over 16:9.
Depth of Field
What it is, what it depends on and how to control the in-focus area of your image.
ND Filter (neutral density)
What it is, what it is for and how to use it to control light and exposure.
Telephoto Lens
What it is, how to use it, the types of telephoto and which ones are best.
Types of Shots
Every shot by its size, angle, point of view and movement.
Three-Point Lighting
The studio scheme to create volume and depth like a cinematographer.
How to Light a Green Screen
A simple, affordable technique to light background and foreground without colour spill.
Color Grading
What it is, what it is for, its stages and the best software to grade your video.
Screenplay
What it is, types of script, narrative structure, characters and film & series formats.
Types of Documentary
Classification by form and theme, and the characteristics of a documentary.
Diegetic & Non-Diegetic Music
What they are, how to tell them apart and clear examples in film.
Clapperboard
What it is, what it is for, its parts and how it is used on a shoot.
Silent Cinema
History, defining characteristics and the notable figures who made it great.
Daguerreotype
What it is, its history and how the first practical photographic process works.