Tamron SP 90mm f/2.8 Di Macro Pentax-k vs Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

differences

Reasons to consider the Tamron SP 90mm f/2.8 Di Macro Pentax-k

Much more magnification

1:1 (1x)

1:3.5 (0.3x)

Take macro shots with subjects around 3.5x larger in your photo

Is a prime lens

Yes

Prime lenses have a single focal length, they are typically sharper and have wider apertures

Significantly narrower aperture

f/32

f/22

At its narrowest, the SP 90mm f/2.8 Di Macro Pentax-k goes 1.1 f-stops narrower

Shorter

97 mm

184 mm

Around 50% shorter

Lighter

405 g

1.4 kg

3.4x lighter

Slightly cheaper

$459.95

$799.00

The best price we've seen is $339 cheaper (more than 40% less)

Slightly smaller diameter

71 mm

86 mm

Around 20% smaller lens at the end

Learn more about
the Tamron SP 90mm f/2.8 Di Macro Pentax-k

Reasons to consider the Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Has a silent focus motor

Sigma HSM

None

Focuses quickly and silently

Better telephoto

200 mm

90 mm

More than 2x more reach, less perspective distortion

More zoom

2.9x

Around 3x more zoom, giving you more flexibility for photos

Slightly better wide angle

70 mm

90 mm

More than 20% better wide angle

Learn more about
the Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

similarities

Compared to 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.

Compared to sports lenses

Common Strengths

Common Weaknesses

Inexpensive

SP 90mm f/2.8 Di Macro Pentax-k:	$459.95
70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k:	$799.00

Light weight

SP 90mm f/2.8 Di Macro Pentax-k:	405 g
70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k:	1.4 kg

	No image stabilization
	Risk of blur

competitors

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 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Pentax SMC DA 70mm f/2.4

Low light lens

$697

Is shorter

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 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

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

Sports lens

$729

Is longer

Is heavier

Compare the 70-200mm f/2.8 Di LD Macro Pentax-k vs the SP 90mm f/2.8 Di Macro Pentax-k

Compare the 70-200mm f/2.8 Di LD Macro Pentax-k vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

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

Wildlife lens

$159

Has image stabilization

Has a narrower aperture

Has a lower max f/stop

Compare the 50-200mm f/4-5.6 DC OS HSM Pentax-k vs the SP 90mm f/2.8 Di Macro Pentax-k

Compare the 50-200mm f/4-5.6 DC OS HSM Pentax-k vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Pentax SMC FA 77mm f/1.8

Low light lens

$1,047

Wider aperture

Shorter

Much less magnification

Significantly wider aperture

Compare the SMC FA 77mm f/1.8 vs the SP 90mm f/2.8 Di Macro Pentax-k

Pentax SMC D FA 50mm f/2.8 Macro

Macro lens

$597

Shorter

Better wide angle

Slightly worse telephoto

Compare the SMC D FA 50mm f/2.8 Macro vs the SP 90mm f/2.8 Di Macro Pentax-k

Canon EF 50mm f/1.8 II

Low light lens

$92 - $110

Wider aperture

Shorter

Much less magnification

Significantly wider aperture

Compare the EF 50mm f/1.8 II vs the SP 90mm f/2.8 Di Macro Pentax-k

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

Macro lens

$479

Slightly better telephoto

Slightly worse wide angle

Compare the 105mm f/2.8 EX DG Macro 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

Macro lens

$165

Significantly better telephoto

More zoom

Is a zoom lens

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 70-200mm f/2.8 EX DG OS HSM Pentax-k

Sports lens

$1,699

Image stabilization

Less magnification

More expensive

Compare the 70-200mm f/2.8 EX DG OS HSM Pentax-k vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Sigma 70-200mm f/2.8 II EX DG APO Macro HSM

Sports lens

$799

Compare the 70-200mm f/2.8 II EX DG APO Macro HSM vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Pentax SMC DA 50-135mm f/2.8 ED SDM*

Sports lens

$1,397

Lighter

Shorter

Worse telephoto

Less magnification

Compare the SMC DA* 50-135mm f/2.8 ED SDM vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Sigma 50-500mm f/4.5-6.3 APO DG OS HSM Pentax-k

Wildlife lens

$1,599

Much more zoom

Much better telephoto

Has a variable aperture

Significantly narrower aperture

Compare the 50-500mm f/4.5-6.3 APO DG OS HSM Pentax-k vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Pentax SMC 60-250mm f/4 ED DA SDM*

Wildlife lens

$1,397

Significantly narrower aperture

More zoom

Narrower aperture

Less magnification

Compare the SMC 60-250mm f/4 ED DA* SDM vs the 70-200mm f/2.8 II EX DG APO Macro HSM 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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Tamron
SP 90mm f/2.8 Di Macro Pentax-k
vs
Sigma
70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

differences

Reasons to consider the Tamron SP 90mm f/2.8 Di Macro Pentax-k

Reasons to consider the Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k