From:
http://www.dpreview.com/news/0507/05071504kmdtlenses.asp

 

Three new Konica Minolta DT lenses

Digital Photography Review

In addition to the announcement of the Maxxum 5D Konica Minolta has also announced three new DT (designed for digital SLR) lenses; the AF DT 18 - 70 mm F3.5 - F5.6 (D), the AF DT 11 - 18 mm F4.5 - F5.6 (D) and the AF DT 18 - 200 mm F3.5 - F6.3 (D).

Press Release:

Konica Minolta introduces new DT series lenses

Lens Overview

As the new standard for digital SLR cameras, DT lenses are ideally suited to digital SLR cameras such as the Maxxum7D/5D and Dynax7D/5D which are equipped with large (23.5 x 15.7 mm) CCDs.

Konica Minolta AF DT Zoom 18 -70 mm F3.5 to 5.6 (D)
Konica Minolta AF DT Zoom 11-18 mm F4.5 to 5.6 (D)
Konica Minolta AF DT Zoom 18-200 mm F3.5 to 6.3 (D)

Lens Features

1. Optimum high-performance optical design for digital SLR cameras

To ensure consistently high quality images, the Dynax5D/Maxxum5D uses an optical system ideally suited to a large (23.5 x 15.7 mm) CCD, in addition to spherical lenses to reduce spherical aberrations, AD (anomalous dispersion) glass, and a special lens coating that reduces flaring that often occurs in digital SLR cameras.

2. Effective Anti-Shake compensation equivalent to a shutter speed 2 - 3 stops slower*1 with Dynax/Maxxum digital SLR camera

3. Distance encoder enables precise ADI flash metering

Using information obtained from the lens' built-in distance encoder, Advanced Distance Integration (ADI) flash metering calculates the optimum exposure settings and flash brightness needed to obtain a beautiful image when using either the internal flash or external flash units such as the Program Flash 5600HS(D) or 3600HS(D), and 2500(D).

4. Circular aperture beautifully enhances defocused images

A round aperture makes it possible to enhance a defocused image with smooth gradations and depict a scene naturally, for example, sunshine filtering through foliage or grass glistening with morning dew.

Note: Dynax/Maxxun DT series lenses are not compatible with conventional 35mm SLR cameras.

*1 The Anti-Shake technology correction effect (in terms of shutter speed exposure steps) varies with the shooting conditions and lens used.


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