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20mm Lenses

A 20mm lens gives a wide-angle field of view. It is a staple for landscapes, architecture and environmental portraits.

On APS-C a 20mm lens frames like about 30mm (Canon APS-C: 32mm) on full frame; on Micro Four Thirds it frames like 40mm.

We list 530 lenses that include 20mm: 68 primes and 462 zooms across 18 mounts, with a fastest aperture of f/1.4.

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20mm lenses

Tokina

AT-X 165 PRO DX 16-50mm f/2.8

16-50mm f/2.8 Pentax K

Pentax

smc Pentax-DA 18-55mm f/3.5-5.6 AL II L WR

18-55mm f/3.5 Pentax K

Pentax

smc Pentax-DA L 18-55mm f/3.5-5.6 AL

18-55mm f/3.5 Pentax K

Schneider

D-Xenon 1:3.5-5.6 18-55mm AL

18-55mm f/3.5 Pentax K

Tamron

AF 18-55mm f/3.5-5.6 Di II LD Aspherical [IF]

18-55mm f/3.5 Pentax K

Tamron

SP AF 17-55mm f/2.8 Di II LD Aspherical [IF]

17-55mm f/2.8 Pentax K

Pentax

HD Pentax-DA 17-70mm f/4 AL [IF] SDM

17-70mm f/4.0 Pentax K

Pentax

smc DA 17-70mm F4.0 AL (IF) SDM

17-70mm f/4.0 Pentax K
Tamron 17-70mm f/2.8 Di III-A VC RXD

Tamron

17-70mm f/2.8 Di III-A VC RXD

17-70mm f/2.8 Pentax K

Pentax

HD Pentax-DA 16-85mm f/3.5-5.6 ED DC WR

16-85mm f/3.5 Pentax K

Pentax

smc Pentax-DA 16-85mm f/3.5-5.6 ED DC WR

16-85mm f/3.5 Pentax K
Sigma 18-200mm f/3.5-6.3 DC OS HSM

Sigma

18-200mm f/3.5-6.3 DC OS HSM

18-200mm f/3.5 Pentax K

Tamron

18-200mm f/3.5-6.3 Di II VC

18-200mm f/3.5 Pentax K

Related focal lengths

20mm lenses by brand

20mm lenses by mount