Pentax K Zoom Lenses

"I use the lens for landscape and wildlife photography. Love the fast quiet autofocus and very sharp image quality."

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Max focal length	200 mm
	Image stabilization	None			Length	184 mm
	Focus motor	Sigma HSM			Zoom range	2.9x
	Aperture	f/2.8			Weight	1.4 kg

"Great lens for taking pictures of the kids, fast, smooth zoom and I don't have to be in their face to get a shot, very sharp pictures..."

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Max focal length	135 mm
	Image stabilization	None			Length	136 mm
	Focus motor	Pentax SDM			Zoom range	2.7x
	Aperture	f/2.8			Weight	0.7 kg

"This lens is absolutely great for scenery and landscape. I did a lot of research for a good wide-angle lens and for the price this lens was definitely my favorite."

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Max focal length	20 mm
	Image stabilization	None			Length	88 mm
	Focus motor	Sigma HSM			Zoom range	2x
	Aperture	f/3.5			Weight	0.5 kg

"I've used this lens now for about 1200 shots of lacrosse games taken in the evening/night under the lights, bright sun and cloudy days. Great resolution when the focus is spot on."

Great telephoto lens 250 mm

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Max focal length	250 mm
	Image stabilization	None			Length	168 mm
	Focus motor	Pentax SDM			Zoom range	4.2x
	Aperture	f/4			Weight	1.2 kg

"The is a great upgrade from a kit lens. Good focal length range, speed and macro ability."

More advanced image stabilization Sigma OS

	Fixed aperture	No			Max focal length	70 mm
	Image stabilization	Sigma OS			Length	83 mm
	Focus motor	Sigma HSM			Zoom range	4.1x
	Aperture	f/2.8			Weight	0.5 kg

"This is a solid lens. I'm not 100% convinced the OS in this lens is an improvement over the body image stabilization, but it seems to be roughly equivalent."

More advanced image stabilization Sigma OS

	Fixed aperture	No			Max focal length	50 mm
	Image stabilization	Sigma OS			Length	n/a
	Focus motor	Sigma HSM			Zoom range	2.8x
	Aperture	f/2.8			Weight	395 g

"I have had this lens for a few months now and it has become my favorite and most used lens. It has very quiet focusing and beautiful color production."

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Max focal length	150 mm
	Image stabilization	None			Length	135 mm
	Focus motor	Sigma HSM			Zoom range	3x
	Aperture	f/2.8			Weight	0.8 kg

"Great lens. Renders sharp images with wonderful colors"

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Max focal length	70 mm
	Image stabilization	None			Length	94 mm
	Focus motor	Pentax SDM			Zoom range	4.1x
	Aperture	f/4			Weight	485 g

"This is absolutely the lens I needed to round out my Pentax K10 camera gear."

Fixed aperture The same aperture at all focal lengths

	Fixed aperture	Yes			Max focal length	24 mm
	Image stabilization	None			Length	88 mm
	Focus motor	None			Zoom range	2x
	Aperture	f/4			Weight	430 g