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K-mount Lenses

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smc PENTAX-FA 28-105mmF3.2-4.5AL[IF]

  • Zoom
  • FA
35mm Full Frame APS-C
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This lens uses a hybrid aspherical lens and inner focus for boosting the brightness to the F3.2 to F4.5 range and achieving the most lightweight lens design of this class.

Combined with a ghostless coating and other features, this lens provides images with high contrast but low aberration. The zoom macro mechanism enables close-ups at a maximum shooting magnification of 0.19X. The flower-shaped hood provides high light-blocking efficiency and includes a window for enabling easy operation of the circular polarizing filter.

Body AF Quick-Shift Focus SP Coating Extra-low Dispersion (ED) Glass Inner Focus (IF)

Black

Hood : PH-RBC58 Included, Case : S90-100 Optional
JAN-Code / 4961333 050659

Silver

Hood : PH-RBC58 Included, Case : S90-100 Optional
* Silver is sold out

Features / Specifications

Simple drip-proof construction
This lens uses a simple drip-proof construction for preventing water from getting inside the lens. Combined with PENTAX digital SLR cameras also using a weather-resistant construction enables use in rainy or foggy conditions, or other locations exposed to water for enhanced durability and reliability.
SP (super protect) coating for protecting from water and dirt
A SP (super protect) coating made by depositing a special fluorine substance on the lens front surface is used for repelling water and oils and also enabling the easy removal of fingerprints, cosmetics, and other oils adhering to the lens.
Design developed specifically for digital SLR cameras
In this design, the lens coating, curvature, arrangement, and other details were optimized for digital image characteristics to minimize ghosting and flare and maximize performance from PENTAX digital SLR cameras. Also, the image circle is tailored specifically to the size of the imaging elements for allowing a compact, lightweight body size with high cost performance.
Quick-Shift Focus System
The Quick-Shift Focus System is used to enable manual focus operation after focusing by AF without any switching operation.
Other features
Uses high-reliability metal lens mount.
Includes hood with PL filter operation window.
Type Normal Zoom
Focal length (Equivalent to 35mm format) 28-105mm(43-161mm)
Maximum aperture F3.2-4.5
Minimum aperture F22-32
Angle of View 70°-44°
Lens construction 12 elements / 11 groups
No. of diaphragm blades 6
Closest focusing distance 0.5m
Maximum reproduction ratio 0.19x
Filter size 58mm
Diameter x length 69.5 x 68 mm
Weight 255g

Compatible Converters

A1.4X-S A2X-S (IF disabled)

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