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6
FEATURES OF THE smc PENTAX-DA LENS
•
The smc PENTAX-DA lens is an interchangeable lens specifically designed for digital cameras. Its
image circle is specialized for the image sensor (23.5 x 15.7mm) and its optical system is optimized for
the characteristics of digital images.
•
When autofocusing is finished, it is possible to make fine adjustments by hand using the “Quick-Shift
Focus System” (see page 18 for details).
•
Lenses that have “SDM” in their name are equipped with a supersonic motor. When mounted on a
camera that supports supersonic motors, the autofocus is quiet and smooth.
•
The following lenses are dust and water resistant because each part is individually sealed. This makes
it difficult for dust and water to enter inside the lens.
DA
300mm f/4ED [IF] SDM, DA
200mm f/2.8ED [IF] SDM, DA
16-50mm f/2.8ED AL [IF] SDM,
DA
50-135mm f/2.8ED [IF] SDM
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