Pentax SMC
DA 40mm f/2.8
 vs
Canon
EF 50mm f/1.8 II

vs

differences

Reasons to consider the Pentax DA 40mm f/2.8
Slightly shorter 15 mm vs 41 mm
Help
 2.7x shorter
Pentax SMC DA 40mm f/2.8 Learn more about
the Pentax DA 40mm f/2.8

Reasons to consider the Canon EF 50mm f/1.8 II
Wider aperture f/1.8 vs f/2.8
Help
 At its widest, the EF 50mm f/1.8 II captures much more light, 1.3 f-stops
Slightly cheaper $98.45 vs $496.95
Help
 The best price we've seen is $399 cheaper (5x less)
Canon EF 50mm f/1.8 II Learn more about
the Canon EF 50mm f/1.8 II

similarities

Compared to lenses

Common Strengths Common Weaknesses
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Length Short Help
DA 40mm f/2.8:15 mm
EF 50mm f/1.8 II:41 mm
Weight Light weight Help
DA 40mm f/2.8:90 g
EF 50mm f/1.8 II:132 g
Focus motor No silent focus motor Help
Louder and slower
Zoom range Poor zoom Help
1x
Max focal length Poor telephoto Help
DA 40mm f/2.8:40 mm
EF 50mm f/1.8 II:50 mm
Magnification Poor magnification Help
DA 40mm f/2.8:1:8 (0.1x)
EF 50mm f/1.8 II:1:6.7 (0.2x)

competitors

Shared Competitors

Advantages

Disadvantages
Canon 50mm f/1.4 USM

Canon 50mm f/1.4 USM

Low light lens
Focus motor Has a silent focus motor
Compare the 50mm f/1.4 USM vs the SMC DA 40mm f/2.8
Compare the 50mm f/1.4 USM vs the EF 50mm f/1.8 II
Nikon Nikkor 50mm f/1.8D

Nikon Nikkor 50mm f/1.8D

Low light lens

$115
Compare the Nikkor 50mm f/1.8D vs the SMC DA 40mm f/2.8
Compare the Nikkor 50mm f/1.8D vs the EF 50mm f/1.8 II

Pentax SMC DA 40mm f/2.8 Competitors

Advantages

Disadvantages
Pentax SMC 35mm DA L f/2.4 AL

Pentax SMC 35mm DA L f/2.4 AL

Low light lens

$217
Aperture Wider aperture
Magnification Slightly more magnification
Length Longer
Compare the SMC 35mm DA L f/2.4 AL vs the SMC DA 40mm f/2.8
Pentax SMC FA 43mm f/1.9

Pentax SMC FA 43mm f/1.9

Low light lens

$747
Aperture Wider aperture
Length Slightly longer
Lowest price Slightly more expensive
Compare the SMC FA 43mm f/1.9 vs the SMC DA 40mm f/2.8
Pentax SMC DA 40mm f/2.8 XS

Pentax SMC DA 40mm f/2.8 XS

Lens

$247
Lowest price Slightly cheaper
Compare the SMC DA 40mm f/2.8 XS vs the SMC DA 40mm f/2.8
Pentax SMC DA 35mm f/2.8 Macro

Pentax SMC DA 35mm f/2.8 Macro

Macro lens

$697
Magnification Much more magnification
Length Longer
Compare the SMC DA 35mm f/2.8 Macro vs the SMC DA 40mm f/2.8
Pentax SMC DA 21mm f/3.2 AL

Pentax SMC DA 21mm f/3.2 AL

Lens

$647
Min focal length Slightly better wide angle
Aperture Narrower aperture
Max focal length Slightly worse telephoto
Compare the SMC DA 21mm f/3.2 AL vs the SMC DA 40mm f/2.8

Canon EF 50mm f/1.8 II Competitors

Advantages

Disadvantages
Canon EF-S 18-55mm f/3.5-5.6 IS

Canon EF-S 18-55mm f/3.5-5.6 IS

Wide angle lens

$185 - $199
Image stabilization Image stabilization
Magnification More magnification
Prime lens Is a zoom lens
Aperture Significantly narrower aperture
Compare the EF-S 18-55mm f/3.5-5.6 IS vs the EF 50mm f/1.8 II
Canon EF 35mm f/2

Canon EF 35mm f/2

Low light lens

$289
Magnification More magnification
Min focal length Slightly better wide angle
Aperture Slightly narrower aperture
Max focal length Slightly worse telephoto
Compare the EF 35mm f/2 vs the EF 50mm f/1.8 II
Canon 85mm f/1.8 USM

Canon 85mm f/1.8 USM

Low light lens

$370
Focus motor Has a silent focus motor
Max focal length Slightly better telephoto
Min focal length Worse wide angle
Length Longer
Compare the 85mm f/1.8 USM vs the EF 50mm f/1.8 II
Nikon Nikkor AF-S 50mm f/1.8G

Nikon Nikkor AF-S 50mm f/1.8G

Low light lens

$217
Focus motor Has a silent focus motor
Compare the Nikkor AF-S 50mm f/1.8G vs the EF 50mm f/1.8 II
Canon EF-S 60mm f/2.8 Macro USM

Canon EF-S 60mm f/2.8 Macro USM

Macro lens

$419
Magnification Much more magnification
Focus motor Has a silent focus motor
Aperture Narrower aperture
Length Longer
Compare the EF-S 60mm f/2.8 Macro USM vs the EF 50mm f/1.8 II

discussion Which do you think is better?

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