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DSLR vs Mirrorless

Definition

DSLR uses a mirror and optical viewfinder; mirrorless uses an electronic viewfinder. Modern Indian SOCO kits include both; mirrorless is increasingly the default for new acquisitions.

Related terms

Exposure Triangle
Aperture, shutter speed and ISO. The three variables a photographer balances to produce a correctly-exposed image.
Lens Classes
Wide-angle (under 35mm full-frame) for overviews, normal (50mm) for mid-range, macro (1:1 or closer) for close-ups, telephoto for surveillance and exterior contexts.
Photo Log
The contemporaneous record tying each forensic image to its capture time, location, equipment, exposure settings, and subject description. The primary chain-of-custody document...
Three-Shot Rule
The convention that every piece of evidence is photographed at three distances: overview (scene-context), mid-range (position relative to landmark), and close-up (with...

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