Tamron 70-200mm f/2.8 Di LD Macro Pentax-k vs Pentax DA 50-200mm f/4-5.6 ED WR

differences

Reasons to consider the Tamron 70-200mm f/2.8 Di LD Macro Pentax-k

Has a consant aperture

Yes

Constant aperture lenses offer the same aperture at all focal lengths

Significantly narrower aperture

f/32

f/22

At its narrowest, the 70-200mm f/2.8 Di LD Macro Pentax-k goes 1.1 f-stops narrower

Wider aperture

f/2.8

f/4

At its widest, the 70-200mm f/2.8 Di LD Macro Pentax-k captures slightly more light, 1 f-stop

More magnification

1:3.1 (0.3x)

1:4.2 (0.2x)

Take macro shots with subjects more than 30% larger in your photo

Learn more about
the Tamron 70-200mm f/2.8 Di LD Macro Pentax-k

Reasons to consider the Pentax DA 50-200mm f/4-5.6 ED WR

Lighter

261 g

1.1 kg

4.3x lighter

More zoom

2.9x

40% more zoom, giving you more flexibility for photos

Slightly cheaper

$196.95

$729.00

The best price we've seen is $532 cheaper (3.7x less)

Slightly better wide angle

50 mm

70 mm

Around 30% better wide angle

Learn more about
the Pentax DA 50-200mm f/4-5.6 ED WR

similarities

Compared to lenses

Common Strengths

Common Weaknesses

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

	Both are zoom lenses
	Typically not as sharp as prime lenses

	No silent focus motor
	Louder and slower

Compared to wildlife lenses

Common Strengths

Common Weaknesses

Good wide-angle

70-200mm f/2.8 Di LD Macro Pentax-k:	70 mm
DA 50-200mm f/4-5.6 ED WR:	50 mm

Inexpensive

70-200mm f/2.8 Di LD Macro Pentax-k:	$729.00
DA 50-200mm f/4-5.6 ED WR:	$196.95

	No image stabilization
	Risk of blur

	Poor telephoto
	200 mm

competitors

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

Wildlife lens

$397

Has a slightly shorter telephoto lens

Is shorter

Has a narrower aperture

Compare the SMC DA 55-300mm f/4-5.8 ED vs the 70-200mm f/2.8 Di LD Macro Pentax-k

Compare the SMC DA 55-300mm f/4-5.8 ED vs the SMC DA 50-200mm f/4-5.6 ED WR

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

Macro lens

$165

Has a slightly shorter telephoto lens

Has better macro

Has a narrower aperture

Compare the 70-300mm f/4-5.6 Di LD Macro Pentax-k vs the 70-200mm f/2.8 Di LD Macro Pentax-k

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

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

Sports lens

$1,397

Has a silent focus motor

Is shorter

Compare the SMC DA* 50-135mm f/2.8 ED SDM vs the 70-200mm f/2.8 Di LD Macro Pentax-k

Compare the SMC DA* 50-135mm f/2.8 ED SDM vs the SMC DA 50-200mm f/4-5.6 ED WR

Olympus Zuiko 50-200mm f/2.8-3.5 ED SWD

Wildlife lens

$1,199

Has a silent focus motor

Is heavier

Compare the Zuiko 50-200mm f/2.8-3.5 ED SWD vs the 70-200mm f/2.8 Di LD Macro Pentax-k

Compare the Zuiko 50-200mm f/2.8-3.5 ED SWD vs the SMC DA 50-200mm f/4-5.6 ED WR

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

Macro lens

$209

Has a slightly shorter telephoto lens

Has better macro

Has a narrower aperture

Compare the 70-300mm f/4-5.6 APO DG Macro Pentax-k vs the 70-200mm f/2.8 Di LD Macro Pentax-k

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

Tamron 55-200mm f/4-5.6 Di-II LD Nikon-f

Wildlife lens

$165

Is shorter

Has a narrower aperture

Compare the 55-200mm f/4-5.6 Di-II LD Nikon-f vs the 70-200mm f/2.8 Di LD Macro Pentax-k

Compare the 55-200mm f/4-5.6 Di-II LD Nikon-f vs the SMC DA 50-200mm f/4-5.6 ED WR

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

Travel lens

$479

Has image stabilization

Has a silent focus motor

Has a narrower aperture

Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the 70-200mm f/2.8 Di LD Macro Pentax-k

Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the SMC DA 50-200mm f/4-5.6 ED WR

Sigma 200-500mm f/2.8 EX DG APO IF Nikon-f

Sports lens

$28,999

Much better telephoto

Much more expensive

Much heavier

Compare the 200-500mm f/2.8 EX DG APO IF Nikon-f vs the 70-200mm f/2.8 Di LD Macro Pentax-k

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

Wildlife lens

$159

Has a silent focus motor

Image stabilization

Much wider aperture

Compare the 50-200mm f/4-5.6 DC OS HSM Pentax-k vs the SMC DA 50-200mm f/4-5.6 ED WR

Pentax SMC 35mm DA L f/2.4 AL

Low light lens

$217

Is a prime lens

Significantly wider aperture

Worse telephoto

Less zoom

Compare the SMC 35mm DA L f/2.4 AL vs the SMC DA 50-200mm f/4-5.6 ED WR

Nikon Nikkor 55-200mm f/4-5.6G ED AF-S DX

Wildlife lens

$180

Has a silent focus motor

Slightly more magnification

Slightly less zoom

Compare the Nikkor 55-200mm f/4-5.6G ED AF-S DX vs the SMC DA 50-200mm f/4-5.6 ED WR

Pentax SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

Travel lens

$497

Much narrower aperture

More zoom

Worse telephoto

Slightly more expensive

Compare the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR vs the SMC DA 50-200mm f/4-5.6 ED WR

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
70-200mm f/2.8 Di LD Macro Pentax-k
vs
Pentax SMC
DA 50-200mm f/4-5.6 ED WR

differences

Reasons to consider the Tamron 70-200mm f/2.8 Di LD Macro Pentax-k

Reasons to consider the Pentax DA 50-200mm f/4-5.6 ED WR