Price

Lens category

Lens mount

Pentax K Lenses for less than $400

#1	Pentax SMC HD DA 21mm f/3.2 AL

Aperture	f/3.2	Length	25 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Weight	119 g

Max focal length	21 mm	Min focal length	21 mm

See 24 sample photos taken with the Pentax SMC HD DA 21mm f/3.2 AL

#2	Pentax SMC DA 40mm f/2.8

"This lens is light weight and very compact. It is fast enough for low light applications and is built like a tank." bhphotovideo.com

Aperture	f/2.8	Length	15 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Weight	91 g

Max focal length	40 mm	Min focal length	40 mm

See 40 sample photos taken with the Pentax SMC DA 40mm f/2.8

#3	Pentax SMC HD Pentax-DA 55-300mm f/4-5.8 ED WR

Pentax SMC HD Pentax-DA 55-300mm f/4-5.8 ED WR

	Great telephoto lens
	300 mm

	Great zoom range
	5.5x

Aperture	f/4	Length	112 mm

Zoom range	5.5x	Diameter	71 mm

Auto focus	Yes	Weight	466 g

Max focal length	300 mm	Min focal length	55 mm

See 50 sample photos taken with the Pentax SMC HD Pentax-DA 55-300mm f/4-5.8 ED WR

#4	Pentax SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

Pentax SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

	Great zoom range
	7.5x

Aperture	f/3.5	Length	76 mm

Zoom range	7.5x	Diameter	74 mm

Auto focus	Yes	Weight	405 g

Max focal length	135 mm	Min focal length	18 mm

See 35 sample photos taken with the Pentax SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

#5	Pentax SMC DA 50mm f/1.8

	Wide aperture
	f/1.8

Aperture	f/1.8	Length	38 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Weight	122 g

Max focal length	50 mm	Min focal length	50 mm

See 12 sample photos taken with the Pentax SMC DA 50mm f/1.8

#6	Samyang 35mm f/1.4 AS UMC Pentax K

	Wide aperture
	f/1.4

Aperture	f/1.4	Length	110 mm

Zoom range	1x	Diameter	83 mm

Auto focus	No	Weight	0.7 kg

Max focal length	35 mm	Min focal length	35 mm

See 3 sample photos taken with the Samyang 35mm f/1.4 AS UMC Pentax K

#7	Pentax SMC FA 50mm f/1.4

"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

Aperture	f/1.4	Length	38 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Weight	221 g

Max focal length	50 mm	Min focal length	50 mm

See 50 sample photos taken with the Pentax SMC FA 50mm f/1.4

#8	Pentax SMC 35mm DA L f/2.4 AL

Aperture	f/2.4	Length	46 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Weight	125 g

Max focal length	35 mm	Min focal length	35 mm

See 22 sample photos taken with the Pentax SMC 35mm DA L f/2.4 AL

#9	Pentax SMC HD DA 18-50mm f/4-5.6 DC WR RE

Pentax SMC HD DA 18-50mm f/4-5.6 DC WR RE

Aperture	f/4	Length	41 mm

Zoom range	2.8x	Diameter	71 mm

Auto focus	Yes	Weight	158 g

Max focal length	50 mm	Min focal length	18 mm

#10	Pentax SMC 35mm f/2 FA AL

	Wide aperture
	f/2

Aperture	f/2	Length	46 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Weight	200 g

Max focal length	35 mm	Min focal length	35 mm

See 9 sample photos taken with the Pentax SMC 35mm f/2 FA AL

“LensHero will help you cut through the sheer number of lenses out there to find the few you want to read more about” - LifeHacker	“Finding the right lens on Lenshero is incredibly easy!” - Revell Photography
“I am in love with LensHero.” - Shoot from the Belly	“Kind of a little bit in love with LensHero” - @alicetragedy
“No technical stuff whatsoever, just plain and simple questions complete with examples so that any user can understand” - Karel Donk, Photographer	“I love that I can pull up different lenses in my price range that will fit my DSLR.” - Jennifer Sutton

Pentax K Lenses for less than $400

Brand

Category

Lens mounts

Price

Aperture

Wide angle

Telephoto

Image stabilization

Focus motor

Type