single-lens

Not compound eye

Single-lens describes optical devices using one lens element rather than a compound system.

A single-lens reflex camera (SLR) uses a mirror to direct light from a single lens to both viewfinder and film or sensor, so what you see is what you capture.

She upgraded from her phone to a single-lens reflex for better control.

design

simplicity

Lack of complexity

prime · monocle · loupe · magnifier · eyepiece · meniscus · convex · concave · uncorrected · aberration

optical

reflex

Involuntary stimulus response

  • SLRMirror-based camera abbreviation
  • cameraImage capturing device
  • viewfinderCamera's composition window

mirror · pentaprism · DSLR · focusing · aperture · shutter · exposure · photography · metering · rangefinder

Opposites
number of lenses/optical elements

single-lenstwin-lens

Having two optical elements

binocular · compound · stereoscopic · stereo · array

Family

single, lens, singly, singleness, singles, singled, singling, singleton, lenses

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Rated G