A twin-lens reflex camera (TLR) is a type of camera with two objective lenses of the same focal length.
TLR Twin-lens reflex.
A camera with two lenses the upper one is the viewfinder lens that has a mirror reflex view and the bottom one is the taking lens.
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TLR Twin-lens reflex.
Techniques Glossary TLR Twin-lens reflex.
A camera with two lenses the upper one is the viewfinder lens that has a mirror reflex view and the bottom one is the taking lens.
Twin-Lens Reflex
Less available now than in their heyday, the twin-lens reflex uses two identical lenses, one mounted above the other. The upper lens is used for focusing and the lower forms the image on the film.
Twin-lens reflex. A camera in which two lenses are mounted above one another. The bottom (taking ) lens forms an image to expose the film. The top (viewing) lens forms an image that reflects upward onto a ground glass viewing screen.
Twin-Lens-Reflex Cameras (TLRs)
Modern Rolleiflex you can get new here. (NOT cheap!) ...
A twin-lens reflex has two lenses (the twin lens) and a mirror to bounce the light from one of them onto a ground-glass focusing screen (the reflex). Lacking a prism, a TLR tends to be lightweight.
The twin-lens reflex camera shares the viewfinder cameras problem of PARALLAX ERROR because the lens you look through is not the lens that takes the picture.
-Twin-lens reflex camera. formed directly on the ground glass or focusing screen, the lens forms the image on a mirror that reflects the image to the focusing screen or ground glass. TWIN-LENS REFLEX.
Facing a digital future, Stephen Frink ponders the past: a Rolleimarin twin-lens medium format.
My primary tool these days is a Canon EOS-1Ds digital SLR in a Seacam housing.
We also concentrate on the newer twin-lens digital stereo cameras, like Fuji's W1, leaving esoteric two-camera combinations to others.
In other words you look through the same lens as the camera uses to expose the film or sensor (as opposed to twin-lens reflex cameras).
Reflex - Refers to the mirror and its movement that makes the use of a single lens possible.
Parallax
The disparity between viewing and imaging angles when they are not identical, as with sports finders or twin-lens cameras.
Tungsten film: Color film balanced to light sources with color temperature of 3200K.
Twin-lens reflex (TLR): Camera with two identical lenses. One is used for viewing and the other for taking pictures.
 See also: Camera, Lens, Reflex, Image, Photograph
  
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