Pentax 21870 Camera Lens User Manual


 
77
About dustproof, water resistance, and simplified weather resistance
Dust-proof and water-resistant lenses
DA
55mm f/1.4 SDM, 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, DA
60-250mm
f/4ED [IF]SDM
These DA
lenses are dust-proof and water-resistant because each part is individually
sealed. This makes it difficult for dust and water to enter the lens.
Lenses with simplified weather-resistant construction
DA 18-55mm f/3.5-5.6 AL WR, DA 50-200mm f/4-5.6ED WR
These lenses are made with a simplified weather-resistant construction by using DA
lens sealing technology which makes it difficult for water to enter the lens.
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