Tamron
70-300mm f/4-5.6 Di LD Macro Pentax-k
 vs
Sigma
30mm f/1.4 EX DC Pentax-k

vs

differences

Reasons to consider the Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k
Significantly better telephoto 300 mm vs 30 mm
Help
 10x more reach, less perspective distortion
Significantly more magnification 1:2 (0.5x) vs 1:10 (0.1x)
Help
 Take macro shots with subjects 5x larger in your photo
More zoom 4.3x vs 1x
Help
 Around 4.5x more zoom, giving you more flexibility for photos
Narrower aperture f/22 vs f/16
Help
 At its narrowest, the 70-300mm f/4-5.6 Di LD Macro Pentax-k goes 0.9 f-stops narrower
Slightly cheaper $164.95 vs $439.00
Help
 The best price we've seen is $274 cheaper (2.7x less)
Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k Learn more about
the Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Reasons to consider the Sigma 30mm f/1.4 EX DC Pentax-k
Much wider aperture f/1.4 vs f/4
Help
 At its widest, the 30mm f/1.4 EX DC Pentax-k captures much more light, 3 f-stops
Is a prime lens Yes vs No
Help
 Prime lenses have a single focal length, they are typically sharper and have wider apertures
Shorter 59 mm vs 117 mm
Help
 Around 50% shorter
Better wide angle 30 mm vs 70 mm
Help
 2.3x better wide angle
Sigma 30mm f/1.4 EX DC Pentax-k Learn more about
the Sigma 30mm f/1.4 EX DC Pentax-k

similarities

Compared to lenses

Common Strengths Common Weaknesses

LensHero is not aware of any interesting strengths shared by these two products.
Focus motor No silent focus motor Help
Louder and slower

competitors

Shared 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 Has a narrower aperture
Compare the SMC 35mm DA L f/2.4 AL vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k
Compare the SMC 35mm DA L f/2.4 AL vs the 30mm f/1.4 EX DC Pentax-k
Pentax SMC FA 50mm f/1.4

Pentax SMC FA 50mm f/1.4

Low light lens

$447
Compare the SMC FA 50mm f/1.4 vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k
Compare the SMC FA 50mm f/1.4 vs the 30mm f/1.4 EX DC Pentax-k

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

Advantages

Disadvantages
Pentax SMC DA 55-300mm f/4-5.8 ED

Pentax SMC DA 55-300mm f/4-5.8 ED

Wildlife lens

$397
Zoom range More zoom
Min focal length Slightly better wide angle
Magnification Less magnification
Compare the SMC DA 55-300mm f/4-5.8 ED vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k
Tamron SP 70-300mm f/4-5.6 Di VC USD Nikon-f

Tamron SP 70-300mm f/4-5.6 Di VC USD Nikon-f

Wildlife lens

$449
Image stabilization Image stabilization
Focus motor Has a silent focus motor
Weight Slightly heavier
Lowest price Slightly more expensive
Compare the SP 70-300mm f/4-5.6 Di VC USD Nikon-f vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k
Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k

Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k

Macro lens

$209
Weight Slightly heavier
Compare the 70-300mm f/4-5.6 APO DG Macro Pentax-k vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k
Pentax SMC DA 50-200mm f/4-5.6 ED WR

Pentax SMC DA 50-200mm f/4-5.6 ED WR

Wildlife lens

$197
Min focal length Slightly better wide angle
Weight Slightly lighter
Magnification Less magnification
Max focal length Worse telephoto
Compare the SMC DA 50-200mm f/4-5.6 ED WR vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k
Tamron 70-200mm f/2.8 Di LD Macro Pentax-k

Tamron 70-200mm f/2.8 Di LD Macro Pentax-k

Sports lens

$729
Fixed aperture Has a consant aperture
Wide maximum Significantly narrower aperture
Length Longer
Max focal length Worse telephoto
Compare the 70-200mm f/2.8 Di LD Macro Pentax-k vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

Sigma 30mm f/1.4 EX DC Pentax-k Competitors

Advantages

Disadvantages
Pentax SMC FA 31mm f/1.8

Pentax SMC FA 31mm f/1.8

Low light lens

$1,297
Wide maximum Narrower aperture
Magnification Slightly more magnification
Aperture Narrower aperture
Lowest price More expensive
Compare the SMC FA 31mm f/1.8 vs the 30mm f/1.4 EX DC Pentax-k
Fujifilm 60mm f/2.4 XF Macro

Fujifilm 60mm f/2.4 XF Macro

Macro lens

$649
Magnification Significantly more magnification
Max focal length Slightly better telephoto
Aperture Narrower aperture
Min focal length Slightly worse wide angle
Compare the 60mm f/2.4 XF Macro vs the 30mm f/1.4 EX DC Pentax-k
Fujifilm 35mm f/1.4 XF R

Fujifilm 35mm f/1.4 XF R

Low light lens
Magnification Slightly more magnification
Weight Slightly lighter
Compare the 35mm f/1.4 XF R vs the 30mm f/1.4 EX DC Pentax-k
Sigma 28mm f/1.8 EX DG DF Macro Pentax-k

Sigma 28mm f/1.8 EX DG DF Macro Pentax-k

Low light lens

$349
Magnification More magnification
Wide maximum Narrower aperture
Aperture Narrower aperture
Length Slightly longer
Compare the 28mm f/1.8 EX DG DF Macro Pentax-k vs the 30mm f/1.4 EX DC Pentax-k
Samsung 30mm f/2

Samsung 30mm f/2

Low light lens

$279
Wide maximum Narrower aperture
Length Shorter
Aperture Narrower aperture
Compare the 30mm f/2 vs the 30mm f/1.4 EX DC Pentax-k

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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