Rokinon 10mm f/2.8 ED AS NCS CS vs Samyang 10mm T3.1 VDSLR ED AS NCS CS II

Both are Pentax K prime lenses for APS-C. Here is what actually differs.

Rokinon

10mm f/2.8 ED AS NCS CS

f/2.8580 gMF

Full specs

Samyang

10mm T3.1 VDSLR ED AS NCS CS II

f/3.1MF

Full specs

Pick the Rokinon 10mm f/2.8 ED AS NCS CS if

You need ⅓ stop more light for low light or background blur (f/2.8 vs f/3.1)

Pick the Samyang 10mm T3.1 VDSLR ED AS NCS CS II if

Our spec data shows no clear advantage for this lens.

Spec differences

4 differences

Specifications that differ between the Rokinon 10mm f/2.8 ED AS NCS CS and the Samyang 10mm T3.1 VDSLR ED AS NCS CS II
	Rokinon 10mm f/2.8 ED AS NCS CS	Samyang 10mm T3.1 VDSLR ED AS NCS CS II
Brand	Rokinon	Samyang
Max aperture	f/2.8 ⅓ stop faster	f/3.1
Weight	580 g	not listed
Length	104.6 mm	not listed

9 identical specs hidden: mount, type, format, focal length, diameter, min focus distance, optical design, autofocus motor, image stabilization. Show all

Mount: Pentax K both
Type: Prime both
Format: APS-C both
Focal length: 10mm both
Diameter: 87 mm both
Min focus distance: 0.24 m both
Optical design: 14 elements / 9 groups both
Autofocus motor: Manual focus both
Image stabilization: No both

Our notes

Rokinon 10mm f/2.8 ED AS NCS CS

The Rokinon 10mm f/2.8 ED AS NCS CS is a wide-angle prime lens covering 10mm at f/2.8 for Pentax K mount cameras, with extra-low dispersion glass and aspherical elements. The wide view suits landscapes, architecture and environmental shots.

Our notes