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Pentax-F 28-80mm F3.5-4.5
Full-frame/35mm film Lens / Pentax Mount
Pentax-F 28-80mm F3.5-4.5
Sharpness         7.5
Aberrations          7.3
Bokeh         6.3
Handling         7.1
Value          9.1
Focusing         7.5
Read more at: https://www.pentaxforums.com/lensreviews/Pentax-F-28-80mm-F3.5-4.5-Zoom-Lens.html#ixzz7IO21yJ1m

Description: This autofocus zoom lens has no SMC coating and is identical to the PENTAX-F 28-80mm lens. It has a simpler optical construction with only 8 elements as compared to the SMC coated smc PENTAX-F version.

Pentax-F 28-80mm F3.5-4.5
Image Format Full-frame / 35mm film
Lens Mount Pentax K
Aperture Ring Yes (A setting)
Diaphragm Automatic, 6 blades
Optics 8 elements, 8 groups
Mount Variant KAF
Max.Aperture F3.5-4.5 Min. Aperture F22-32
Focusing AF (screwdrive)
Min. Focus 100 cm
Max. Magnification 0.25x
Filter Size 58 mm
Diam x Length 65.5 x 93 mm
Weight 408 g
No SMC coating