Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k vs Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k

differences

Reasons to consider the Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Slightly lighter

435 g

0.6 kg

Around 30% lighter

Learn more about
the Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Reasons to consider the Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k

LensHero is not aware of any important advantages of the Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k vs the Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k.

Learn more about
the Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k

similarities

Compared to lenses

Common Strengths

Common Weaknesses

	Good telephoto
	300 mm

	Great zoom
	1:2 (0.5x)

	Both are zoom lenses
	Typically not as sharp as prime lenses

	Very narrow widest aperture size
	f/4

	No silent focus motor
	Louder and slower

	Both are variable aperture lenses
	Narrower aperture at longer focal lengths

Compared to macro lenses

Common Strengths

Common Weaknesses

	Great zoom
	4.3x

	Poor magnification
	1:2 (0.5x)

	Not very narrow apertures
	f/22

competitors

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

Macro lens

$159

Compare the 70-300mm f/4-5.6 DG Macro Pentax-k vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

Compare the 70-300mm f/4-5.6 DG Macro Pentax-k vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

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

Wildlife lens

$397

Has worse macro

Compare the SMC DA 55-300mm f/4-5.8 ED vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

Compare the SMC DA 55-300mm f/4-5.8 ED vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

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

Wildlife lens

$247

Has a slightly longer telephoto lens

Has worse macro

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

Compare the SMC DA 50-200mm f/4-5.6 ED WR vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

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

Wildlife lens

$159

Has image stabilization

Has a silent focus motor

Has a slightly longer telephoto lens

Has a lower max f/stop

Compare the 50-200mm f/4-5.6 DC OS HSM Pentax-k vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

Compare the 50-200mm f/4-5.6 DC OS HSM Pentax-k vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

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

Wildlife lens

$399

Has image stabilization

Has a lower max f/stop

Has worse macro

Compare the 70-300mm f/4-5.6 DG OS Pentax-k vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

Compare the 70-300mm f/4-5.6 DG OS Pentax-k vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

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

Macro lens

$199

Compare the 70-300mm f/4-5.6 APO DG Macro vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

Compare the 70-300mm f/4-5.6 APO DG Macro vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

Nikon Nikkor AF-S 55-300mm f/4.5-5.6G ED VR

Wildlife lens

$397

Has image stabilization

Has a silent focus motor

Has worse macro

Compare the Nikkor AF-S 55-300mm f/4.5-5.6G ED VR vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

Compare the Nikkor AF-S 55-300mm f/4.5-5.6G ED VR vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Pentax-k

Wildlife lens

$999

Has a silent focus motor

Image stabilization

Less magnification

Heavier

Compare the 120-400mm f/4.5-5.6 DG APO OS HSM Pentax-k vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

Sigma 18-250mm f/3.5-6.3 DC OS HSM Pentax-k

Travel lens

$479

Much more zoom

Has a silent focus motor

Less magnification

Worse telephoto

Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

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

Macro lens

$460

Is a prime lens

Significantly more magnification

Significantly worse telephoto

Less zoom

Compare the SP 90mm f/2.8 Di Macro Pentax-k vs the 70-300mm f/4-5.6 Di LD Macro Pentax-k

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

Macro lens

$199

Compare the 70-300mm f/4-5.6 APO DG Macro Nikon-f vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

Nikon Nikkor 70-300mm f/4-5.6G

Wildlife lens

$150

Significantly narrower aperture

Less magnification

Compare the Nikkor 70-300mm f/4-5.6G vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

Sigma 300-800mm f/5.6 EX DG APO HSM Four-thirds

Wildlife lens

$6,999

Much better telephoto

Has a consant aperture

Much longer

Much heavier

Compare the 300-800mm f/5.6 EX DG APO HSM Four-thirds vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

Tamron 18-200mm f/3.5-6.3 XR Di-II LD Macro Canon-ef

Travel lens

$199

Much more zoom

Better wide angle

Less magnification

Worse telephoto

Compare the 18-200mm f/3.5-6.3 XR Di-II LD Macro Canon-ef vs the 70-300mm f/4-5.6 APO DG Macro 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
70-300mm f/4-5.6 Di LD Macro Pentax-k
vs
Sigma
70-300mm f/4-5.6 APO DG Macro Pentax-k

differences

Reasons to consider the Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Reasons to consider the Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k