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The SMC PENTAX-DA 16-45mm F4.0 ED/AL is recommended for use with digital cameras. It features a 3X zoom ratio with focal lengths covering ultra-wide angle to normal ranges, incorporates a high-refraction extra low dispersion (ED) glass element to produce a high-resolution, high-contrast image with true-to-life colour rendition, and aspherical lens elements to help transmit the light more efficiently through the lens to the film. The SMC PENTAX-DA J 16-45mm F4.0 ED/AL is well-suited for advanced amateurs and professionals. PDF factsheet
Optical specification Lens construction: 13 elements in 10 groups Angle of view: 83° - 35° (with *istD, *istDS body) Minimum aperture: 22 Minimum focusing distance: 0.28m Maximum magnification: 0.26 x
Physical specification Aperture control: Fully Automatic Metering system: TTL open-aperture metering Filter diameter: 67mm Max diameter & Min length: 72mm x 92mm Weight (Wo/hood): 365g
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