Nikon AI-S Nikkor 24mm f/2.8 vs Sigma 24mm F1.4 DG HSM | A

Both are Nikon F prime lenses for full frame. Here is what actually differs.

Nikon

Pick the Nikon AI-S Nikkor 24mm f/2.8 if

You want the lighter lens to carry: 395 g lighter (270 g vs 665 g)
You want a compact lens: 58 mm vs 90.2 mm long

Pick the Sigma 24mm F1.4 DG HSM | A if

You need 2 stops more light for low light or background blur (f/1.4 vs f/2.8)
You want autofocus (HSM): the Nikon AI-S Nikkor 24mm f/2.8 is manual focus only
You shoot close-ups: it focuses down to 0.25 m vs 0.3 m

Spec differences

11 differences

Specifications that differ between the Nikon AI-S Nikkor 24mm f/2.8 and the Sigma 24mm F1.4 DG HSM | A
	Nikon AI-S Nikkor 24mm f/2.8	Sigma 24mm F1.4 DG HSM \| A
Brand	Nikon	Sigma
Max aperture	f/2.8	f/1.4 2 stops faster
Weight	270 g lighter	665 g
Length	58 mm shorter	90.2 mm
Diameter	63.5 mm slimmer	85 mm
Filter thread	52 mm	77 mm
Min focus distance	0.3 m	0.25 m closer
Max magnification	not listed	0.19×
Aperture blades	not listed	9
Optical design	9 elements / 9 groups	15 elements / 11 groups
Autofocus motor	Manual focus	HSM

5 identical specs hidden: mount, type, format, focal length, image stabilization. Show all

Mount: Nikon F both
Type: Prime both
Format: Full frame both
Focal length: 24mm both
Image stabilization: No both

Our notes

Nikon AI-S Nikkor 24mm f/2.8

A 24mm f/2.8 wide-angle prime lens, the Nikon AI-S Nikkor 24mm f/2.8 is designed for Nikon F mount bodies. The wide view suits landscapes, architecture and environmental shots.

Our notes

Sigma 24mm F1.4 DG HSM | A

The Sigma 24mm F1.4 DG HSM | A is a full-frame fast wide-angle prime lens covering 24mm at f/1.4 for Nikon F mount cameras, with Hyper Sonic Motor autofocus. A wide-aperture wide-angle prime from Sigma's Art line, popular for astrophotography and landscapes.