Tamron
SP 90mm f/2.8 Di Macro Pentax-k
 vs
Sigma
70mm f/2.8 EX DG Macro

vs

differences

Reasons to consider the Tamron SP 90mm f/2.8 Di Macro Pentax-k
Significantly narrower aperture f/32 vs f/22
Help
 At its narrowest, the SP 90mm f/2.8 Di Macro Pentax-k goes 1.1 f-stops narrower
Slightly better telephoto 90 mm vs 70 mm
Help
 Around 30% more reach, less perspective distortion
Tamron SP 90mm f/2.8 Di Macro Pentax-k Learn more about
the Tamron SP 90mm f/2.8 Di Macro Pentax-k

Reasons to consider the Sigma 70mm f/2.8 EX DG Macro
Slightly better wide angle 70 mm vs 90 mm
Help
 More than 20% better wide angle
Sigma 70mm f/2.8 EX DG Macro Learn more about
the Sigma 70mm f/2.8 EX DG Macro

similarities

Compared to lenses

Common Strengths Common Weaknesses
Magnification Incredible magnification Help
1:1 (1x)
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Focus motor No silent focus motor Help
Louder and slower
Zoom range Poor zoom Help
1x

Compared to macro lenses

Common Strengths Common Weaknesses

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

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

competitors

Shared Competitors

Advantages

Disadvantages
Sigma 105mm f/2.8 EX DG Macro Pentax-k

Sigma 105mm f/2.8 EX DG Macro Pentax-k

Macro lens

$479
Compare the 105mm f/2.8 EX DG Macro Pentax-k vs the SP 90mm f/2.8 Di Macro Pentax-k
Compare the 105mm f/2.8 EX DG Macro Pentax-k vs the 70mm f/2.8 EX DG Macro
Pentax SMC DA FA 100mm f/2.8 WR Macro

Pentax SMC DA FA 100mm f/2.8 WR Macro

Macro lens

$847
Compare the SMC DA FA 100mm f/2.8 WR Macro vs the SP 90mm f/2.8 Di Macro Pentax-k
Compare the SMC DA FA 100mm f/2.8 WR Macro vs the 70mm f/2.8 EX DG Macro
Pentax SMC DA 70mm f/2.4

Pentax SMC DA 70mm f/2.4

Low light lens

$697
Length Is shorter
Magnification Has worse macro
Compare the SMC DA 70mm f/2.4 vs the SP 90mm f/2.8 Di Macro Pentax-k
Compare the SMC DA 70mm f/2.4 vs the 70mm f/2.8 EX DG Macro
Sigma 105mm f/2.8 EX Macro Four-thirds

Sigma 105mm f/2.8 EX Macro Four-thirds

Macro lens

$479
Wide maximum Has a higher max f/stop
Compare the 105mm f/2.8 EX Macro Four-thirds vs the SP 90mm f/2.8 Di Macro Pentax-k
Compare the 105mm f/2.8 EX Macro Four-thirds vs the 70mm f/2.8 EX DG Macro

Tamron SP 90mm f/2.8 Di Macro Pentax-k Competitors

Advantages

Disadvantages
Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k

Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k

Wildlife lens

$159
Focus motor Has a silent focus motor
Image stabilization Image stabilization
Wide maximum Much wider aperture
Magnification Much less magnification
Compare the 50-200mm f/4-5.6 DC OS HSM Pentax-k vs the SP 90mm f/2.8 Di Macro Pentax-k
Olympus Zuiko 35mm f/3.5 Macro ED

Olympus Zuiko 35mm f/3.5 Macro ED

Macro lens

$229
Min focal length Better wide angle
Length Shorter
Wide maximum Significantly wider aperture
Aperture Narrower aperture
Compare the Zuiko 35mm f/3.5 Macro ED vs the SP 90mm f/2.8 Di Macro Pentax-k
Sigma 50mm f/1.4 EX DG HSM Pentax-k

Sigma 50mm f/1.4 EX DG HSM Pentax-k

Low light lens

$499
Focus motor Has a silent focus motor
Aperture Significantly wider aperture
Magnification Much less magnification
Wide maximum Much wider aperture
Compare the 50mm f/1.4 EX DG HSM Pentax-k vs the SP 90mm f/2.8 Di Macro Pentax-k
Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Macro lens

$165
Max focal length Significantly better telephoto
Zoom range More zoom
Prime lens Is a zoom lens
Magnification Significantly less magnification
Compare the 70-300mm f/4-5.6 Di LD Macro Pentax-k vs the SP 90mm f/2.8 Di Macro Pentax-k

Sigma 70mm f/2.8 EX DG Macro Competitors

Advantages

Disadvantages
Canon 85mm f/1.8 USM

Canon 85mm f/1.8 USM

Low light lens

$370
Focus motor Has a silent focus motor
Aperture Wider aperture
Magnification Much less magnification
Min focal length Slightly worse wide angle
Compare the 85mm f/1.8 USM vs the 70mm f/2.8 EX DG Macro
Canon EF 17-40mm f/4L USM

Canon EF 17-40mm f/4L USM

Wide angle lens

$739
Focus motor Has a silent focus motor
Min focal length Better wide angle
Magnification Much less magnification
Prime lens Is a zoom lens
Compare the EF 17-40mm f/4L USM vs the 70mm f/2.8 EX DG Macro
Sigma 50mm f/2.8 EX DG Macro Canon-ef

Sigma 50mm f/2.8 EX DG Macro Canon-ef

Macro lens

$369
Wide maximum Much narrower aperture
Length Shorter
Max focal length Slightly worse telephoto
Compare the 50mm f/2.8 EX DG Macro Canon-ef vs the 70mm f/2.8 EX DG Macro
Pentax SMC FA 77mm f/1.8

Pentax SMC FA 77mm f/1.8

Low light lens

$1,047
Aperture Wider aperture
Length Shorter
Magnification Much less magnification
Lowest price Slightly more expensive
Compare the SMC FA 77mm f/1.8 vs the 70mm f/2.8 EX DG Macro
Canon EF-S 60mm f/2.8 Macro USM

Canon EF-S 60mm f/2.8 Macro USM

Macro lens

$419
Focus motor Has a silent focus motor
Wide maximum Significantly narrower aperture
Compare the EF-S 60mm f/2.8 Macro USM vs the 70mm f/2.8 EX DG Macro

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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