Twin-lens reflex camera - Wikipedia
A twin-lens reflex camera (TLR) is a type of camera with two objective lenses of the same focal length. One of the lenses is the photographic objective or "taking lens" (the lens that takes the picture), while the other is used for the viewfinder system, [1] which is …
双反相机 - 百度百科
双反相机（TLR, Twin-Lens Reflex），全称为双镜头反光镜取景 照相机，与 单反相机 （SLR, Single Lens Reflex）同属反光取景式相机。 [1] 顾名思义，TLR系统最大的特点是具有两个镜头，一个在另外一个的正上方。 下面的镜头负责传送影像到胶片上，而上面镜头传送的影像只是用于 取景 和 聚焦。 人们所看到的影像是通过上面的镜头，而实际上只有下面的镜头才真正用于拍摄。 光线通过上面的镜头，经45°角的反光镜向上反射到水平的 磨砂玻璃 取景屏。 毛玻璃上的影 …
双反相机 - 维基百科，自由的百科全书
双反相机 （TLR, Twin-Lens Reflex），全称为 双镜头反光镜取景 照相机，与 单反相机 （SLR, Single Lens Reflex）同属 反光取景式相机。 顾名思义，TLR系统最大的特点是具有两個镜头，一個在另外一個的正上方。 下面的镜头负责传送影像到胶片上，而上面镜头传送的影像只是用于 取景 和 对焦。 人们所看到的影像是通过上面的镜头，而实际上只有下面的镜头才真正用于拍摄。 如图所示 [1]，光线通过上面的镜头，经45°角的 反光镜 向上反射到水平的 磨砂玻璃 取景屏。 …
The Art Of The Twin Lens Reflex Camera: A Complete Guide For ...
2024年6月12日 · A twin lens reflex (TLR) camera is a type of camera that features two lenses: one for capturing the image on film and another for the finder. This lens reflex camera offers an alternative experience in photography to the standard film camera.
The rise and fall of the TLR: why the twin-lens reflex camera is a …
2021年9月13日 · As the name suggests, the TLR employs two lenses of the same focal length, arranged one above the other. The lower lens is the ‘taking’ lens, while the upper lens is the viewing lens, behind which is a fixed mirror set at 45-degrees to reflect the image up to …
TLR - Camera-wiki.org - The free camera encyclopedia
2024年3月25日 · TLR stands for Twin Lens Reflex. The camera uses two lenses of equal focal length, one for viewing and focusing and the other for taking the photograph; reflex refers to the mirror used behind the viewing lens that redirects the image-forming light onto a focusing screen.
Can't afford a Rolleiflex? Here are some alternative Twin Lens Reflex ...
2018年1月15日 · Ricoh Diacord (Model G, L, or Ricohmatic 225) These TLRs have, for my money, the best combination of tack-sharp lens (Rikenon 80mm f3.5), intuitive dual-lever thumb focusing, reliable shutter, ease of use and service, and build quality.
Dual-Lens Cameras: What You Need To Know - Reolink
2025年1月14日 · Dual-lens cameras offer more advanced features than single-lens cameras, including improved focus, wider camera angles, auto tracking and auto zoom. Dual lenses allow for different focal length coverage using a telephoto lens and a wide-angle lens, which is ideal for capturing both close-up and wide-angle shots.
Twin-lens reflex camera | Britannica
The twin-lens reflex is a comparatively bulky dual camera (Figure 3) with a fixed-mirror reflex housing and top screen mounted above a roll-film box camera. Its two lenses focus in unison so that the top screen shows the image sharpness and framing as…
Twin Lens Reflex Cameras - Vintage Camera Lab
2024年3月9日 · TLRs or Twin Lens Reflex cameras are uniquely equipped with two lenses that do different jobs: one is connected to the viewfinder for composing while the other one exposes the film and takes the photograph.