Pentax SMC
FA 77mm f/1.8
 vs
Pentax SMC
DA 70mm f/2.4

vs

differences

Reasons to consider the Pentax FA 77mm f/1.8
Wider aperture f/1.8 vs f/2.4
Help
 At its widest, the FA 77mm f/1.8 captures slightly more light, 0.8 f-stops
Slightly smaller diameter 48 mm vs 63 mm
Help
 More than 20% smaller lens at the end
Pentax SMC FA 77mm f/1.8 Learn more about
the Pentax FA 77mm f/1.8

Reasons to consider the Pentax DA 70mm f/2.4
Shorter 26 mm vs 64 mm
Help
 2.5x shorter
Slightly cheaper $696.95 vs $1,046.95
Help
 The best price we've seen is $350 cheaper (more than 30% less)
Slightly lighter 130 g vs 272 g
Help
 2.1x lighter
Pentax SMC DA 70mm f/2.4 Learn more about
the Pentax DA 70mm f/2.4

similarities

Compared to lenses

Common Strengths Common Weaknesses
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Aperture Wide aperture Help
FA 77mm f/1.8:f/1.8
DA 70mm f/2.4:f/2.4
Length Short Help
FA 77mm f/1.8:64 mm
DA 70mm f/2.4:26 mm
Focus motor No silent focus motor Help
Louder and slower
Zoom range Poor zoom Help
1x
Magnification Poor magnification Help
FA 77mm f/1.8:1:7 (0.1x)
DA 70mm f/2.4:1:8.3 (0.1x)

Compared to low light lenses

Common Strengths Common Weaknesses
Auto focus Auto focus Help
Easier to use

LensHero is not aware of any interesting weaknesses shared by these two products.

competitors

Shared Competitors

Advantages

Disadvantages
Pentax SMC FA 43mm f/1.9

Pentax SMC FA 43mm f/1.9

Low light lens

$747
Compare the SMC FA 43mm f/1.9 vs the SMC FA 77mm f/1.8
Compare the SMC FA 43mm f/1.9 vs the SMC DA 70mm f/2.4
Sigma 85mm f/1.4 EX DG HSM Pentax-k

Sigma 85mm f/1.4 EX DG HSM Pentax-k

Sports lens

$899
Focus motor Has a silent focus motor
Wide maximum Has a lower max f/stop
Compare the 85mm f/1.4 EX DG HSM Pentax-k vs the SMC FA 77mm f/1.8
Compare the 85mm f/1.4 EX DG HSM Pentax-k vs the SMC DA 70mm f/2.4
Zeiss 85mm f/1.4 ZK Planar T* Pentax-k

Zeiss 85mm f/1.4 ZK Planar T* Pentax-k

Sports lens

$1,228
Wide maximum Has a lower max f/stop
Auto focus Lacks autofocus
Compare the 85mm f/1.4 ZK Planar T* Pentax-k vs the SMC FA 77mm f/1.8
Compare the 85mm f/1.4 ZK Planar T* Pentax-k vs the SMC DA 70mm f/2.4
Nikon Nikkor AF-S 85mm f/1.8G

Nikon Nikkor AF-S 85mm f/1.8G

Low light lens

$580
Focus motor Has a silent focus motor
Compare the Nikkor AF-S 85mm f/1.8G vs the SMC FA 77mm f/1.8
Compare the Nikkor AF-S 85mm f/1.8G vs the SMC DA 70mm f/2.4
Canon 85mm f/1.8 EF USM

Canon 85mm f/1.8 EF USM

Low light lens

$419
Focus motor Has a silent focus motor
Compare the 85mm f/1.8 EF USM vs the SMC FA 77mm f/1.8
Compare the 85mm f/1.8 EF USM vs the SMC DA 70mm f/2.4
Sigma 70mm f/2.8 EX DG Macro

Sigma 70mm f/2.8 EX DG Macro

Macro lens

$449
Magnification Has better macro
Aperture Has a narrower aperture
Length Is longer
Compare the 70mm f/2.8 EX DG Macro vs the SMC FA 77mm f/1.8
Compare the 70mm f/2.8 EX DG Macro vs the SMC DA 70mm f/2.4
Pentax SMC 55mm f/1.4 DA* SDM

Pentax SMC 55mm f/1.4 DA* SDM

Low light lens

$797
Focus motor Has a silent focus motor
Compare the SMC 55mm f/1.4 DA* SDM vs the SMC FA 77mm f/1.8
Compare the SMC 55mm f/1.4 DA* SDM vs the SMC DA 70mm f/2.4

Pentax SMC FA 77mm f/1.8 Competitors

Advantages

Disadvantages
Canon EF 85mm f/1.2L II USM

Canon EF 85mm f/1.2L II USM

Low light lens

$1,999
Focus motor Has a silent focus motor
Aperture Wider aperture
Weight Heavier
Lowest price More expensive
Compare the EF 85mm f/1.2L II USM vs the SMC FA 77mm f/1.8
Nikon Nikkor AF-S 85mm f/1.4G

Nikon Nikkor AF-S 85mm f/1.4G

Low light lens

$1,629
Focus motor Has a silent focus motor
Aperture Wider aperture
Weight Heavier
Lowest price Slightly more expensive
Compare the Nikkor AF-S 85mm f/1.4G vs the SMC FA 77mm f/1.8
Sigma 500mm f/4.5 EX DG APO Pentax-k

Sigma 500mm f/4.5 EX DG APO Pentax-k

Wildlife lens

$4,699
Max focal length Much better telephoto
Wide maximum Significantly narrower aperture
Min focal length Much worse wide angle
Length Much longer
Compare the 500mm f/4.5 EX DG APO Pentax-k vs the SMC FA 77mm f/1.8
Nikon Nikkor 85mm f/1.8D

Nikon Nikkor 85mm f/1.8D

Low light lens

$429
Lowest price Slightly cheaper
Wide maximum Wider aperture
Compare the Nikkor 85mm f/1.8D vs the SMC FA 77mm f/1.8

Pentax SMC DA 70mm f/2.4 Competitors

Advantages

Disadvantages
Canon EF 300mm f/2.8L IS II USM

Canon EF 300mm f/2.8L IS II USM

Sports lens

$6,799
Image stabilization Image stabilization
Focus motor Has a silent focus motor
Lowest price Much more expensive
Length Much longer
Compare the EF 300mm f/2.8L IS II USM vs the SMC DA 70mm f/2.4
Pentax SMC FA 50mm f/1.4

Pentax SMC FA 50mm f/1.4

Low light lens

$447
Aperture Wider aperture
Min focal length Slightly better wide angle
Max focal length Slightly worse telephoto
Length Slightly longer
Compare the SMC FA 50mm f/1.4 vs the SMC DA 70mm f/2.4
Sigma 70mm f/2.8 EX DG Macro Nikon-f

Sigma 70mm f/2.8 EX DG Macro Nikon-f

Macro lens

$449
Magnification Much more magnification
Lowest price Slightly cheaper
Length Longer
Aperture Narrower aperture
Compare the 70mm f/2.8 EX DG Macro Nikon-f vs the SMC DA 70mm f/2.4
Sigma 85mm f/1.4 EX DG HSM

Sigma 85mm f/1.4 EX DG HSM

Sports lens

$894
Focus motor Has a silent focus motor
Aperture Wider aperture
Wide maximum Wider aperture
Min focal length Slightly worse wide angle
Compare the 85mm f/1.4 EX DG HSM vs the SMC DA 70mm f/2.4
Pentax SMC DA 35mm f/2.8 Macro

Pentax SMC DA 35mm f/2.8 Macro

Macro lens

$697
Magnification Much more magnification
Min focal length Better wide angle
Aperture Narrower aperture
Max focal length Slightly worse telephoto
Compare the SMC DA 35mm f/2.8 Macro vs the SMC DA 70mm f/2.4

discussion Which do you think is better?

Speech is free, but discussion at LensHero is moderated! Please discuss your opinion of these lenses here, and discuss feedback for LensHero at our support community.

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