Pentax DA 15mm F4 ED AL Limited Operating Guide
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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.
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).
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.
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
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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