Samsung GX-20 Lenses made by Pentax that have a f/2.8 or faster aperture

"I love love love this new lens, the quality of the photos is spectacular if done in the right lighting. I would absolutely recommend for novices and professionals alike."

Wide aperture f/1.4

	Aperture	f/1.4			Max focal length	50 mm
	Focus motor	None			Zoom range	1x
	Min focal length	50 mm			Weight	222 g
	Length	38 mm			Diameter	64 mm

"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..."

Silent focus motor Silent and fast

	Aperture	f/2.8			Max focal length	135 mm
	Focus motor	Pentax SDM			Zoom range	2.7x
	Min focal length	50 mm			Weight	0.7 kg
	Length	136 mm			Diameter	76 mm

"A thing of beauty that takes stunning photos."

	Aperture	f/1.8			Max focal length	31 mm
	Focus motor	None			Zoom range	1x
	Min focal length	31 mm			Weight	345 g
	Length	69 mm			Diameter	66 mm

"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."

	Aperture	f/1.8			Max focal length	77 mm
	Focus motor	None			Zoom range	1x
	Min focal length	77 mm			Weight	272 g
	Length	64 mm			Diameter	48 mm

"So far the results have been great. Nice and sharp. Great bokeh. Excellent lighted build quality."

	Aperture	f/1.9			Max focal length	43 mm
	Focus motor	None			Zoom range	1x
	Min focal length	43 mm			Weight	156 g
	Length	28 mm			Diameter	63 mm

"Unbelievable image clarity with zero distortion. Impressive build and quality workmanship."

Silent focus motor Silent and fast

Great telephoto lens 200 mm

	Aperture	f/2.8			Max focal length	200 mm
	Focus motor	Pentax SDM			Zoom range	1x
	Min focal length	200 mm			Weight	0.8 kg
	Length	134 mm			Diameter	83 mm

"I love the lens in almost all ways. It's sharp, fast focusing, needs very little light in F1.4 and the quick shift to manual focus is really OK to have."

Silent focus motor Silent and fast

Wide aperture f/1.4

	Aperture	f/1.4			Max focal length	55 mm
	Focus motor	Pentax SDM			Zoom range	1x
	Min focal length	55 mm			Weight	375 g
	Length	n/a			Diameter	n/a

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

Silent focus motor Silent and fast

	Aperture	f/2.8			Max focal length	50 mm
	Focus motor	Pentax SDM			Zoom range	3.1x
	Min focal length	16 mm			Weight	0.6 kg
	Length	99 mm			Diameter	84 mm

"This lens is great for portraits, sharp, nice bokeh and with beatifull color rendition.Autofocus on k-r is really fast and accurate and it feel pretty solid."

	Aperture	f/2.4			Max focal length	70 mm
	Focus motor	None			Zoom range	1x
	Min focal length	70 mm			Weight	130 g
	Length	26 mm			Diameter	63 mm

"Great option for taking casual pictures of family and friends or for low-key urban excursions."

	Aperture	f/2.8			Max focal length	40 mm
	Focus motor	None			Zoom range	1x
	Min focal length	40 mm			Weight	90 g
	Length	15 mm			Diameter	63 mm