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

Pentax SMC  DA FA 100mm f/2.8 WR Macro

Pentax SMC DA FA 100mm f/2.8 WR Macro

Macro lens

$847

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
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

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
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
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
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

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
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
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
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
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

discussion Which do you think is better?

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