Wide angle focal length

Lens category

Lens mount

Blue mountain view

Pentax K Landscape lenses that are 10mm or wider

#1	Rokinon 10mm f/2.8 ED AS NCS CS Pentax K

Rokinon 10mm f/2.8 ED AS NCS CS Pentax K

	Min focal length	10 mm			Zoom range	1x

	Auto focus	No			Diameter	86 mm

	Fixed aperture	n/a			Length	78 mm

	Aperture	f/2.8			Weight	0.6 kg

#2	Samyang 10mm f/2.8 ED AS NCS CS Pentax K

Samyang 10mm f/2.8 ED AS NCS CS Pentax K

	Min focal length	10 mm			Zoom range	1x

	Auto focus	No			Diameter	86 mm

	Fixed aperture	n/a			Length	105 mm

	Aperture	f/2.8			Weight	0.6 kg

#3	Sigma 10-20mm f/3.5 EX DC HSM Pentax K

Sigma 10-20mm f/3.5 EX DC HSM Pentax K

	Fixed aperture
	The same maximum aperture at all focal lengths

	Supports autofocus
	Easier to use

	Min focal length	10 mm			Zoom range	2x

	Auto focus	Yes			Diameter	86 mm

	Fixed aperture	Yes			Length	89 mm

	Aperture	f/3.5			Weight	0.5 kg

See 50 sample photos taken with the Sigma 10-20mm f/3.5 EX DC HSM Pentax K

#4	Sigma 10-20mm f/4-5.6 EX DC J Pentax K

Sigma 10-20mm f/4-5.6 EX DC J Pentax K

	Supports autofocus
	Easier to use

	Min focal length	10 mm			Zoom range	2x

	Auto focus	Yes			Diameter	86 mm

	Fixed aperture	No			Length	89 mm

	Aperture	f/4			Weight	0.5 kg

See 50 sample photos taken with the Sigma 10-20mm f/4-5.6 EX DC J Pentax K

#5	Tamron SP 10-24mm f/3.5-4.5 DI II Pentax K

Tamron SP 10-24mm f/3.5-4.5 DI II Pentax K

"Nice to have a lens that will work as a fish eye AND a regular wide angle. I took some fun pictures this weekend and was very pleased with the results." bhphotovideo.com

	Supports autofocus
	Easier to use

	Min focal length	10 mm			Zoom range	2.4x

	Auto focus	Yes			Diameter	79 mm

	Fixed aperture	No			Length	99 mm

	Aperture	f/3.5			Weight	406 g

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