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Discontinued

Plens

Pentax · Pentax K · Lens

SMC Pentax-A 20mm f/2.8

67mm filter · 245g

Max Aperture

f/2.8

Weight

245g

Filter Thread

67mm

Min Focus Distance

25cm

Produced 1985–2001 · medium confidencePentaxForums Lens DB

Mount: Pentax K — compatible with all Pentax K-mount bodies.

Focus

Manual

Mount

Pentax K

Format

35mm full frame

Groups

9

Elements

10

Weight

245g

Filter Thread

67mm

Spec Notes

Fast wide, large 67mm filter. Produced 1985-2001.

Max Aperture

f/2.8

Min Focus Distance

25cm

Aperture Blades

5

Introduced

1985

People also added

New FD135mm f/2

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