PC Super Angulon-R 28 mm f:2,8

Características

Código -11 812 LLC - 149
Producción - 1988-2009, 6,225+ Objetivos
Montura - bayoneta LEICA R para LEICA R3 hasta LEICA R9 con control de exposición mecánico y medición con diafragma cerrado. El objetivo puede desplazarse en su eje hasta 11 mm y rotar de modo contínuo con marcas en 45º y 90º, permitiendo la corrección de perspectiva en formato vertical y horizontal (círculo de imagen cubierto de 62 mm).
Fabricante - Schneider-Kreuznach

Ángulo de visión (diagonal, horizontal, vertical) : 35mm (24 x 36 mm) - 93°, 73°
Diseño Óptico:
Número de lentes/grupos 12 / 10
Longitud focal efectiva - 29.2 mm
Posición de la pupila de entrada 25.6 mm
Círculo de imagen cubierto 62 mm
Intervalo de enfoque: - 0.3 m a infinito

Escalas: en metros o pies
Campo visual mínimo:220 mm x 330 mm
Factor de reproducción: 1:9

Diafragma - f/2,8-f/22 con click, diafragma manual con preselección de tipo iris de x hojas

Montura de filtros: EW67
Parasol: 12540
Longitud hasta la bayoneta - 84 mm
Diámetro máximo - 97 mm
Material: Aluminio anodizado negro o natural
Peso - aprox. 600 g
Inscripción - PC-SUPER-AUGULON-R 1:2.8/28 LENS MADE IN GERMANY

Diseño: Schneider-Kreuznach

Referencias

quote icon - Iniciado por Erwin Puts
In the 1970s the 35mm the slr-system camera dominated the world of photography with the consequence that the medium and large format cameras were pushed to a marginal existence. Large format-studio cameras had some advantages, such as the ability to control the perspective by changing and shifting the lens board and film holder relative to each other. The large format lens covers a wider image circle than is needed for the format in order to get good illumination and definition and this characteristic could be used when shifting the lens relative to the film plane. Japanese manufacturers tried to emulate this feature, needed for architectural work with the so-called perspective-control (PC).

Leitz, in their quest to present a full-fledged line of lenses for the R-system (an approach that eventually would kill the system by a kind of imperial overstretch) felt obliged to offer such a lens themselves and selected the Schneider version. Basically a shift lens covers a larger image circle than the standard 43mm of the 35mm format and thus has a wider angle of view (in this case equal to a 21mm lens). This construction allows for a moderate shift in the position of the lens. Stopped down the PC-Angulon-R has excellent performance and is a joy to use when you accept the size of the lens. About 4000 units have been sold during its long life in the catalogue.

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