Pentax SMC DA 18-250 Operation Manual - Page 23

mm f/2.8ED [IF] SDM, DA, 300mm f/4ED [IF] SDM focusing

Page 23 highlights

21 DA 200mm f/2.8ED [IF] SDM, DA 300mm f/4ED [IF] SDM focusing • The mechanism does not allow the angle of rotation of the focusing ring and the distance scale to align while focusing. Always check the focus using the view finder before taking a picture. This is especially true with manual focus and the Quick-Shift Focus System.

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21
21
DA
200mm f/2.8ED [IF] SDM, DA
300mm f/4ED [IF] SDM focusing
The mechanism does not allow the angle of rotation of the focusing ring and the distance
scale to align while focusing. Always check the focus using the view finder before taking
a picture. This is especially true with manual focus and the Quick-Shift Focus System.