Price

Lens category

Lens mount

Pentax K Lenses for less than $400

#1	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

Fisheye	No	Length	38 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Max focal length	50 mm

Aperture	f/1.4	Min focal length	50 mm

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

#2	Pentax SMC DA 50mm f/1.8

	Wide aperture
	f/1.8

Fisheye	No	Length	38 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Max focal length	50 mm

Aperture	f/1.8	Min focal length	50 mm

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

#3	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

Fisheye	No	Length	76 mm

Zoom range	7.5x	Diameter	74 mm

Auto focus	Yes	Max focal length	135 mm

Aperture	f/3.5	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

#4	Pentax SMC DA 18-55mm f/3.5-5.6 AL WR

"For landscape photos during the winter months and in wet or dusty conditions, it is a great lens." bhphotovideo.com

Fisheye	No	Length	69 mm

Zoom range	3.1x	Diameter	69 mm

Auto focus	Yes	Max focal length	55 mm

Aperture	f/3.5	Min focal length	18 mm

See 50 sample photos taken with the Pentax SMC DA 18-55mm f/3.5-5.6 AL WR

#5	Pentax SMC DA 10-17mm f/3.5-4.5 ED

"I am very pleased with this lens so far. It is built well and shots are very clear. " bhphotovideo.com

	Fisheye
	Extremely wide circular images

Fisheye	Yes	Length	71 mm

Zoom range	1.7x	Diameter	69 mm

Auto focus	Yes	Max focal length	17 mm

Aperture	f/3.5	Min focal length	10 mm

See 9 sample photos taken with the Pentax SMC DA 10-17mm f/3.5-4.5 ED

#6	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

Fisheye	No	Length	15 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Max focal length	40 mm

Aperture	f/2.8	Min focal length	40 mm

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

#7	Samyang 14mm f/2.8 IF ED UMC Pentax K

Fisheye	No	Length	95 mm

Zoom range	1x	Diameter	87 mm

Auto focus	No	Max focal length	14 mm

Aperture	f/2.8	Min focal length	14 mm

See 3 sample photos taken with the Samyang 14mm f/2.8 IF ED UMC Pentax K

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

Fisheye	No	Length	46 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Max focal length	35 mm

Aperture	f/2.4	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 21mm f/3.2 AL

Fisheye	No	Length	25 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Max focal length	21 mm

Aperture	f/3.2	Min focal length	21 mm

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

#10	Pentax SMC HD DA 35mm f/2.8 Macro

Fisheye	No	Length	46 mm

Zoom range	1x	Diameter	64 mm

Auto focus	Yes	Max focal length	35 mm

Aperture	f/2.8	Min focal length	35 mm

See 50 sample photos taken with the Pentax SMC HD DA 35mm f/2.8 Macro

“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