FocalLengthGuide
Guida di lunghezza Focal
FocalLengthGuide
Focal Length Guide
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Comprehensive guide to focal lengths, field of view, perspective, and composition effects for different photography styles.
Características Principales
Focal length scale from ultra-wide to telephoto
Field of view calculations for different sensors
Perspective distortion explanations
Composition principles for each focal length
Subject recommendations for different focal lengths
Interactive comparison of focal length effects
How to Use Focal Length Guide
Explore Categories
Browse ultra-wide, wide, standard, telephoto, and super-telephoto focal lengths
Check Field of View
Understand how much of a scene each focal length captures
Study Perspective
Learn how different focal lengths affect depth perception and subject proportions
Review Examples
See sample compositions for portrait, landscape, and wildlife photography
Consider Distortion
Understand barrel distortion (wide) versus compression (telephoto)
Choose Lenses
Select focal lengths appropriate for your photographic goals
Casos de Uso
Portrait photography with 85-135mm focal lengths for flattering perspectives
Landscape photography with 24-35mm wide angles for expansive views
Wildlife and sports photography with 200mm+ telephoto lenses
Street photography using standard 35-50mm focal lengths
Preguntas Frecuentes
What is the best focal length for portraits?
85-135mm focal lengths are ideal, providing flattering perspectives that avoid nose distortion.
Why do wide lenses distort?
Wide lenses have high angles of view, causing barrel distortion and making near subjects appear disproportionately large.
What is lens compression?
Telephoto lenses compress perspective, making distant objects appear closer together and creating intimate compositions.
What focal length is "standard"?
A 50mm lens on full-frame is considered standard, providing a field of view similar to human vision.
How does focal length affect depth of field?
Longer focal lengths produce shallower depth of field at the same aperture, easier to isolate subjects.