Measuring the Exposure

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If the measurement is not carried out using a separate hand exposure me- ter, but using the TTL exposure meter integrated in the camera, it is neces- sary to measure in the centered position of the parallel shift while stop- ping down to the working aperture because the arrangement and align- ment of the measuring cell of almost all SLR cameras requires a direction of light incidence axially symmetrically to the lens bayonet.. With an oblique incidence through the lens displaced from the center, some of the light bundle can be shadowed so that then less light is incident onto the mea- suring cell.. A higher exposure would therefore be displayed or set with an automatic exposure system so that overexposure would result..

If the exposure is measured with a non-shifted lens, the camera must equally be aligned with the motif as if the motif would later also thus be photographed with a non-shifted lens..

The darkening of the image visible in the viewfinder with a lens shifted a large distance does not carry over to the image and so also does not re- quire any correction of the exposure.. This is due to a larger light fall-off at the open aperture and due to the viewfinder system being aligned to an ­exactly centered lens and not being adjustable to the shifted lens as well as to the mirror not going down far enough for the low position of the lens in the event of a downward shift.. No vignetting occurs at the actual taking..

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Schneider Optics PC-SUPER-ANGULON 28 mm f/2.8 manual Measuring the Exposure
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PC-SUPER-ANGULON 28 mm f/2.8 specifications

The Schneider Optics PC-Super-Angulon 28 mm f/2.8 is a remarkable wide-angle lens designed specifically for large format cameras, making it a favorite among landscape and architectural photographers. Renowned for its exceptional sharpness and striking image quality, this lens embodies the precision and craftsmanship associated with Schneider optics.

One of the standout features of the PC-Super-Angulon is its perspective control capabilities. The tilt and shift function enables photographers to manipulate the plane of focus and alter perspective, effectively reducing distortion in architectural photography. With a tilt of ±8° and a shift of ±12 mm, users can achieve remarkable control over their imagery, allowing for the creation of natural-looking images without the typical converging lines seen when photographing tall structures. This feature is particularly advantageous in minimizing the effects of perspective distortion and maximizing depth of field.

The lens offers a fast maximum aperture of f/2.8, providing excellent low-light performance and allowing for more creative depth of field control. The optical design comprises high-quality glass elements that ensure outstanding sharpness across the entire frame while delivering rich color rendition and contrast. The lens features a multi-coating technology that significantly reduces flare and ghosting, making it ideal for shooting in challenging lighting conditions.

Measuring 80 mm in diameter, the PC-Super-Angulon is compact for its class, making it relatively easy to transport while offering superb performance. Its robust construction ensures durability, which is essential for photographers working in various environmental conditions. The lens is compatible with a range of large format camera systems, emphasizing its versatility.

Additionally, the Schneider Optics PC-Super-Angulon employs a circular diaphragm, which enhances bokeh quality and contributes to the aesthetic appeal of out-of-focus areas. This characteristic is essential for achieving beautiful, soft backgrounds in portrait photography, setting it apart from traditional wide-angle lenses.

In summary, the Schneider Optics PC-Super-Angulon 28 mm f/2.8 distinguishes itself through its combination of advanced perspective control, exceptional optical performance, and a user-friendly design tailored for large format photography. Whether capturing sweeping landscapes or intricate architectural details, this lens delivers an unparalleled photographic experience, making it a valuable addition to any serious photographer's toolkit.
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