
Sigma 301205 30mm F1.4 Sony E-Mount Lens
Fast f/1.4 prime lens with Hyper Sonic Motor autofocus, purpose-built for Sony E-mount APS-C cameras.
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Key Features
Equipped with the latest in lens technology, the 30mm 1.4 lens boasts a Hyper Sonic Motor (HSM), Super Multi-Layer Coating and a design featuring Thermally Stable Composite Material (TSC).
The HSM ensures quiet, accurate and high-speed autofocus; the Super Multi-Layer Coating reduces flare and ghosting, while the TSC reduces expansion and contraction of the internal lens barrel
A rear focus system prevents focus-dependent variation in aberration, making high-level image quality possible throughout the entire image. With their unchanging barrel length
Filter Size 62mm Maximum Magnifications 1:6.8
Specifications
Pros & Cons
👍 Pros
- Wide f/1.4 aperture produces smooth background separation and strong low-light performance
- Art-series optical design delivers sharp, high-contrast images with well-controlled aberrations
- Hyper Sonic Motor provides fast, quiet autofocus suitable for both stills and video
- 62mm filter thread is a common size, making accessories affordable and easy to source
👎 Cons
- No built-in optical image stabilization, relying entirely on camera body stabilization if available
- Fixed 30mm focal length offers no zoom flexibility, requiring the photographer to move for framing changes
- At f/1.4, corner sharpness may soften slightly, requiring stopping down for maximum edge-to-edge detail
- DC designation means it will not cover a full-frame sensor, limiting future use if upgrading to a full-frame body