Pentax K-7 Lenses that are 18mm or wider

"I just love this lense! Sharp, exact focus on the k10 and superbly build. " bhphotovideo.com

Fisheye Extremely wide circular images

Supports autofocus Easier to use

	Min focal length	10 mm			Max focal length	17 mm
	Zoom range	1.7x			Aperture	f/3.5
	Fisheye	Yes			Diameter	69 mm
	Fixed aperture	No			Length	71 mm

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

Fixed aperture The same maximum aperture at all focal lengths

Supports autofocus Easier to use

	Min focal length	12 mm			Max focal length	24 mm
	Zoom range	2x			Aperture	f/4
	Fisheye	No			Diameter	84 mm
	Fixed aperture	Yes			Length	86 mm

"Great lens for everyday use... Fast and sharp.... The price was nice also" bhphotovideo.com

Fixed aperture The same maximum aperture at all focal lengths

Supports autofocus Easier to use

	Min focal length	16 mm			Max focal length	50 mm
	Zoom range	3.1x			Aperture	f/2.8
	Fisheye	No			Diameter	84 mm
	Fixed aperture	Yes			Length	99 mm

"Great lens. Renders sharp images with wonderful colors" bhphotovideo.com

Fixed aperture The same maximum aperture at all focal lengths

Supports autofocus Easier to use

	Min focal length	17 mm			Max focal length	70 mm
	Zoom range	4.1x			Aperture	f/4
	Fisheye	No			Diameter	76 mm
	Fixed aperture	Yes			Length	94 mm

"This lens is workhorses, very nice contrast, fast autofocus, WR is very nice, just like water proof, I took alot pictures during raining, white water rafting, biking." bhphotovideo.com

Supports autofocus Easier to use

	Min focal length	18 mm			Max focal length	55 mm
	Zoom range	3.1x			Aperture	f/3.5
	Fisheye	No			Diameter	69 mm
	Fixed aperture	No			Length	69 mm