¡2 Focusing and Depth of Field

The focusing of wide-angle lenses appears to be relatively non-critical due to their large depth of field.. However, careful focusing is actually necessary to utilize the high imaging quality of this lens to the full.. To ensure maxi- mum brightness of the focusing screen and the best recognition of the ide- al focusing point, the aperture should be opened by pivoting the stopping- down lever toward the shifting knob.. The aperture setting ring therefore remains on the set working aperture so that the aperture can later again be closed to the working aperture quickly using the stopping-down lever directly before the shot without moving the eye from the viewfinder..

Focusing can generally take place before or after the parallel shift as de- sired.. However, if the LED focus display of an autofocus camera is used for manually focusing, focusing must take place in the centered position (i.. e.. with a non-shifted lens) because the AF sensor requires incidence of light approximately parallel to the axis, but the light is obliquely incident on the sensor when the lens is shifted.. The parallel shift which then takes place ­after the focusing does not influence the set distance..

The f-numbers at both sides of the index mark for distance and aperture indicate the depth of field: If e.. g.. everything from ¡ m to 3 m should be sharp, the distance ring should be set so that the meter figures ¡ and 3 are above the same f-number (here: 8) at both sides of the index mark..

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Schneider Optics PC-SUPER-ANGULON 28 mm f/2.8 manual ¡2 Focusing and Depth of Field
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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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