Pentax K-5 Portrait lenses

"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..." bhphotovideo.com

Fixed aperture The same maximum aperture at all focal lengths

	Zoom range	2.7x			Length	137 mm
	Fixed aperture	Yes			Min focal length	50 mm
	Aperture	f/2.8			Diameter	76 mm
	Max focal length	135 mm			Weight	0.7 kg

"Its color rendition is simply unbelievable. It exceeds even the abilities of my 43 mm Limited for sunsets and sunrises when coupled with the CTE White Balance settings and custom Hi/Lo Key Adjust features on my K-7." bhphotovideo.com

Wide aperture f/1.8

	Zoom range	1x			Length	48 mm
	Fixed aperture	n/a			Min focal length	77 mm
	Aperture	f/1.8			Diameter	74 mm
	Max focal length	77 mm			Weight	269 g

"The pictures are very sharp. Low light is fantastic. I have not found anything I dislike about it." bhphotovideo.com

Wide aperture f/1.4

	Zoom range	1x			Length	38 mm
	Fixed aperture	n/a			Min focal length	50 mm
	Aperture	f/1.4			Diameter	64 mm
	Max focal length	50 mm			Weight	221 g

"I bought this in conjunction with the 160fc ringflash, perfect match for this lens.. Aside from being exellent at macro, I found this lens to be stuningly vibrant and contrasty for normal shooting.." bhphotovideo.com

	Zoom range	1x			Length	64 mm
	Fixed aperture	n/a			Min focal length	100 mm
	Aperture	f/2.8			Diameter	81 mm
	Max focal length	100 mm			Weight	340 g