Smc Pentax-FA 28-105mm F/4-5.6 PZ

Specifications01

MountPENTAX K

Focal length28-105mm

Max aperturef/4

TypeZoom

Release year1991

Weight515 g

Filter size58 mm

Min focus distance0.43 m

Max magnification0.3597

Aperture blades9

Optical elements13

Groups11

Min aperturef/5.6

AutofocusYes

StabilizationNo

Aperture controlAperture ring (Manual settings + Auto Exposure setting)

Lens hoodRH-RC58 - Screw-type round

TeleconvertersPentax Rear Converter-A 1.4X-S→ 39-147mm F/5.6-7.8 Pentax Rear Converter-A 2X-S→ 56-210mm F/8-11.2

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeStandard zoom lens

Field Notes02

Pentax K-mount zoom lens with focal length range 28–105mm and maximum aperture f/4–5.6. Intended for general-purpose use across wide-to-portrait framing.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

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Other Mounts03

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