FGI / 40

Sigma · Fujifilm X mount · Updated 31 Aug 2026

15mm F1.4 DC Contemporary

A new high-speed wide prime balancing strong manufacturer MTF with low weight; independent X-mount coverage is still developing.

23mm equivalentF1.4Prime · AFWeather resistant
Sigma 15mm F1.4 DC Contemporary
Resolution Index88.0±9
Catalog position#30strong
Evidence basismanufacturer MTF0 corroborating sources

Maker MTF available, but its method is not normalized to Fujifilm's curves.

01 / EDITORIAL TAKE

What the evidence supports

A new high-speed wide prime balancing strong manufacturer MTF with low weight; independent X-mount coverage is still developing.

Best for
Documentary, Low light.
Main tradeoff
Its 250g weight, F1.4 maximum aperture, and manufacturer mtf evidence profile should be considered against the alternatives below.

02 / VERIFIED SPECIFICATIONS

The decision-grade facts

35mm equivalent
23mm
Maximum aperture
F1.4
Focus
AF
Weight
250g
Dimensions
Ø64 × 65.1mm
Weather resistance
Yes
Optical stabilization
No
US list price
$579

MSRP is a static US list-price reference, not a live offer. Verified 2026-08-30. Price source ↗

03 / EVIDENCE

What the rank rests on

A maker chart exists, but its method is not standardized against Fujifilm or independent labs.

04 / ALTERNATIVES

Compare before deciding