Lens category

Lens mount

Image stabilization

Focus motor

Pentax K Wildlife lenses that have Sigma OS image stabilization and have a Sigma HSM focus motor

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

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

$159

"I am shooting through this lens, and I am loving the results. I really haven't had any complaints about it and it has performed as described."

Image stabilization	Sigma OS	Length	102 mm

Focus motor	Sigma HSM	Max focal length	200 mm

Zoom range	4x	Aperture	f/4

Fixed aperture	No	Weight	n/a

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

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

$479

"I gave it 5 stars based on what I would expect from a zoom lens and the image quality is really quite impressive for a super zoom; better than anything else of this type that I've seen. It is a good, solid, well made lens and I couldn't be happier with it."

	Great zoom range
	13.9x

	Very light
	0.6 kg

Image stabilization	Sigma OS	Length	n/a

Focus motor	Sigma HSM	Max focal length	250 mm

Zoom range	13.9x	Aperture	f/3.5

Fixed aperture	No	Weight	0.6 kg

#3	Sigma 120-300mm f/2.8 EX DG OS APO HSM Pentax-k

Sigma 120-300mm f/2.8 EX DG OS APO HSM Pentax-k

$3,199

	Fixed aperture
	The same aperture at all focal lengths

	Wide aperture
	f/2.8

Image stabilization	Sigma OS	Length	n/a

Focus motor	Sigma HSM	Max focal length	300 mm

Zoom range	2.5x	Aperture	f/2.8

Fixed aperture	Yes	Weight	2.9 kg

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

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

$1,699

	Fixed aperture
	The same aperture at all focal lengths

	Wide aperture
	f/2.8

Image stabilization	Sigma OS	Length	n/a

Focus motor	Sigma HSM	Max focal length	200 mm

Zoom range	2.9x	Aperture	f/2.8

Fixed aperture	Yes	Weight	1.4 kg

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

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

$999

Image stabilization	Sigma OS	Length	n/a

Focus motor	Sigma HSM	Max focal length	400 mm

Zoom range	3.3x	Aperture	f/4.5

Fixed aperture	No	Weight	1.8 kg

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

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

$1,599

	Great telephoto lens
	500 mm

	Great zoom range
	10x

Image stabilization	Sigma OS	Length	218 mm

Focus motor	Sigma HSM	Max focal length	500 mm

Zoom range	10x	Aperture	f/4.5

Fixed aperture	No	Weight	2 kg

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Pentax K Wildlife lenses that have Sigma OS image stabilization and have a Sigma HSM focus motor

Price

Aperture

Wide angle

Telephoto

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

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

Sigma 120-300mm f/2.8 EX DG OS APO HSM Pentax-k

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

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

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