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Minolta AF Zoom 70-210mm f/4

From Wikipedia, the free encyclopedia

Minolta AF Zoom 70–210mm f/4
Minolta-70210mm-F4.jpg
MakerMinolta
Technical data
TypeZoom
Focal length70-210mm
Crop factor34.3–11.7°
Aperture (max/min)f/4–f/32
Close focus distance1.1 m
Max. magnification1/4
Diaphragm blades7 blades, straight
Construction12 elements in 9 groups
Features
Ultrasonic motorNo No
Lens-based stabilizationNo No
Physical
Max. length168 mm
Weight695 g
Filter diameter55 mm
Accessories
Lens hoodMetal or plastic clip-on
Angle of view
Horizontal34.3–11.7°
History
Introduction1985

The Minolta AF Zoom 70–210mm f/4 lens (colloquially known as the "beercan") is an autofocusing telephoto photographic lens compatible with cameras using the Minolta AF lens mount.

Sony Alpha 55 with Minolta 70–210mm f/4
Sony Alpha 55 with Minolta 70–210mm f/4

It was introduced in 1985 at the launch of the Minolta Maxxum/Dynax/Alpha 7000 camera (the first widely successful autofocus SLR) and remained in production for many years. Two years earlier, the lens had been introduced as a one-touch zoom in the manual-focus Minolta SR mount (as a "plain" MD lens). However, production slowed and then eventually stopped for both the AF and MD versions; its successors, the 70-210mm f/3.5-4.5 and 70-210mm f/4.5-5.6 had none of the qualities of the original and build and image quality decreased.[citation needed]

It remains popular, however, for use on digital single lens reflex cameras using the AF system, such as the Konica-Minolta Maxxum 7D or the Sony α. Although relatively bulky and weighty, the lens is valued for its solid build, sharpness, constant maximum aperture and smooth bokeh effect, though it suffers from more pronounced aberrations than equivalent modern designs. It provides a 1:4 magnification (at minimum focus, an object records at 1/4 its size on film or sensor).

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  • Photo: Sony 70-200 f4 G vs Minolta 70-210 f4 "Beercan" on Sony A7II

Transcription

See also

References

External links

This page was last edited on 13 October 2019, at 11:52
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