Silvestri lenses

Silvestri Lenses

Apo Silvetar 5.6/35 mm

Professional Lens for Digital Backs & Cameras

The Apo Silvetar 5.6/35mm lens was designed for modern view cameras and medium format mirrorless cameras. The possibility of accommodation movements for perspective correction and its exceptional technical characteristics correspond to the demands of quality and wide range of use by professional architecture and landscape photographers.

1) Excellent colour rendering.
2) Excellent resolution.
3) Wide retrofocus space requested for extreme applications.
4) The small rear group size (23mm) allows large movements inside the bayonets of mirrorless cameras.
5) M39x1 screw connection with flange (shutter n.1)
6) On Flexicam, possibility of mounting in a recessed position up to 85mm from the focal plane.

Compatibility:

Silvestri cameras: Flexicam

Technical cameras: M39x1 thread (Leica style) or Copal 1 flange M39, locking ring included.

Apo Silvetar f 5.6 / 35 mm

- code SIL0010

Apo Silvetar Datasheet - PDF

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Optical and mechanical dimensions

The comparison of the chip formats with the image circle of the Apo Silvetar shows the margin for parallel displacement in order to correct perspective (elimination of converging lines) and for lens tilt/swing for a better control of depth of field.

! The camera or the digital back has to have a focal-plane shutter
or a sensor with an electronic shutter.

Aperture & Shift
Other info

. Maximum sensor format: 42 mm x 54 mm
. Aperture setting: manually
. Aperture setting range: 5.6 to 22
. Angle of view: 94 degrees

Maximum lens displacement at f stop 16 / 22 and landscape format, for portrait format the values are to be reversed, with focus on infinity:

24x36 mm sensor: 17mm hor. 20mm vert.
33x44 mm sensor: 11mm hor. 14mm vert.
42x54 mm sensor: 5mm hor. 6mm vert

. Lens shade ......................... Accessory, threaded
. Available camera mounts:
M39x1 thread and locking ring for Copal 1 lens boards.
. Coating ............................. MC (multicoating)
. Focusing .......................... manually

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