twin-lens
Two lenses paired
Twin-lens describes cameras with two lenses of identical focal length mounted vertically—one for viewing and composing the image, one for exposing the film.
The design dominated medium-format photography for decades: a vintage twin-lens reflex camera.
The term distinguishes these from single-lens reflex (SLR) cameras, where one lens serves both functions.
Involuntary stimulus response
- RolleiflexTwin-lens reflex camera
- viewfinderCamera's composition window
- medium-formatMid-sized film photography
- parallaxPosition change from different vantages
ground-glass · Hasselblad · mirror · 6x6 · portrait · vintage
Purpose or goal
- viewingAct of watching something
- takingAct of acquiring
- matchedPaired by similarity
- stackedArranged in a heap
parallel · aperture · diaphragm · shutter · synchronization · reflection · prism · magnification
Even on all sides
- boxyResembling a cube
- compactTightly packed together
- silentProducing no sound
- mechanicalOperated by machinery
retro · iconic · streamlined · leatherette · chrome · knobs · dials · crank
reflex
Involuntary stimulus response
- RolleiflexTwin-lens reflex camera
- viewfinderCamera's composition window
- medium-formatMid-sized film photography
parallax · ground-glass · Hasselblad · mirror · 6x6 · portrait · vintage
objective
Purpose or goal
stacked · parallel · aperture · diaphragm · shutter · synchronization · reflection · prism · magnification · alignment
symmetrical
Even on all sides
mechanical · retro · iconic · streamlined · leatherette · chrome · knobs · dials · crank · bellows
twin-lenssingle-lens
Using one optical element
single-lens reflex · SLR · mirrorless · monoscopic · rangefinder
twin, twins, twinned, twinning, lens, lenses, lensed, lensing, twice