This 20mm is a Super wide-angle lens with a large aperture of f/1.8 and angle of view 94.5°. It has Macro focusing capability with a minimum focusing distance of just 7.9", for a reproduction ratio of 1:4. The 9-bladed iris diaphragm obtains beautiful out of focus image characteristics. Aspherical lens elements in the front & rear lens groups minimize distortion, spherical aberration and astigmatisms. The lens has non-vignetting optical construction in order to obtain adequate peripheral brightness with wide apertures-especially desirable for digital cameras. The lens incorporates a rear focus system eliminating front lens rotation. The focusing ring does not rotate during autofocus yet provides adequate focusing torque of the focusing ring during manual focusing of the lens. The lens materials used in this new lens are lead and arsenic free ecological glass.
|Focal Length||20 mm|
|Camera Mount Type||Pentax|
|Angle of View||94.5°|
|Minimum Focus Distance||7.9" (20.07cm)|
|Maximum Reproduction Ratio||1:4|
|Filter Thread||82 mm|
|Dimensions (DxL)||Approx. 3.5 x 3.4" (8.89 x 8.64cm)|
|Weight||1.14 lb (520g)|
AC-Electronic.com Offers 12 Months Free Seller Warranty for all products purchased in AC-Electronic.com(B2B order is excluded).
It warrants products to be free from defects in material and workmanship during warranty period. If the product proves to be defective in material or workmanship during the warranty period, AC Electronic Limited will, at its sole option, repair or replace the product with a same or similar product depends on stock. And all products must be sent back to AC Electronic Limited in Hong Kong for warranty.
Please click HERE to read full warranty terms.
Further more, AC-Electronic.com also offer 7 DAYS EXCHANGE for all products purchased in AC-Electronic.com, so, no worry about :
Please click HERE to read full Retun terms.