Sony
Sony E7SNSEL50F18F FE 50mm f/1.8 Lens Bundle
★★★★★
f/1.8
Sony's lightest full-frame 50mm prime opens to f/1.8 for buttery bokeh and natural-perspective portraits on any E-mount body.
$299.00*$329.00Save 9%
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*Price sourced from Amazon.com. Last updated:Jul 16, 2026.Price and availability are subject to change.
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Overview
Key Features
SONY USA AUTHORIZED MODEL - Includes Full SONY USA WARRANTY
Sony FE 50mm F1.8 Full-frame Prime E-Mount Lens
Designed for reliability in a wide range of environments, the metal mount adds a sophisticated feel as well as solid durability
IN THE BOX:49mm Front Lens Cap (ALC-F49S) | Rear Lens Cap for E-Mount Lenses (R1EM)(Dark Gray) | Lens Hood
BUNDLE INCLUDES: Sony FE 50mm F1.8 Full-frame Prime E-Mount Lens | 49mm UV Filter and Snap On Cap - Red | 149mm Graduated Color Multicoated Six Piece Filter Set | 49mm Hard Lens Tulip Hood | 49mm 4pc HD Macro Close-UP Lens Filter Set +1 +2 +4 +10 | Professional Dust Remover for Lens | Microfiber Cleaning Cloth | LCD/Lens Cleaning Pen | Professional Cleaning Kit | Deco Essentials Premium Photography Protocol Ebook Digital Download Guide
Specifications
Focal Length
50mm (35mm full-frame); 75mm equivalent (APS-C)
Maximum Aperture
f/1.8
Minimum Aperture
f/22
Lens Mount
Sony E-mount
Format Coverage
Full-frame (35mm)
Lens Construction
5 groups, 6 elements (1 aspheric)
Aperture Blades
7 (Circular)
Minimum Focus Distance
0.45m (1.48 ft)
Maximum Magnification
0.14x
Filter Thread
49mm
Dimensions
68.6 × 59.5mm (2¾ × 2⅜ in)
Weight
186g (6.6 oz)
Pros & Cons
👍 Pros
- f/1.8 maximum aperture on a full-frame body produces genuine subject isolation at portrait distances, with a 7-blade circular aperture rendering out-of-focus highlights as smooth, rounded discs
- At 186g (6.6 oz), the lens is light enough to carry on an A7-series body all day without shoulder fatigue — meaningfully lighter than Sony's 50mm f/1.4 Planar
- Metal E-mount maintains alignment tolerance through hundreds of mount cycles, avoiding the play and micro-wobble that develop in plastic-mount lenses over time
- 49mm filter thread is compact and inexpensive relative to Sony's larger primes, keeping filter system costs down
- Minimum focus distance of 0.45m (1.48 ft) enables tighter framing than many 50mm primes in its class, useful for environmental portraits and product work
👎 Cons
- AF motor is an internal linear type — it tracks stationary and slow-moving subjects well but hunts noticeably on fast or erratic motion, making it unsuitable as a primary lens for action or sports
- Wide-open sharpness at f/1.8 shows corner and edge softness that requires stopping down to f/2.8–f/4 to resolve fully — center sharpness is good, but pixel-peepers will notice the fall-off
- Maximum magnification of 0.14x limits macro capability — the close-up filter set in the bundle partially compensates, but working distance and image quality in macro mode will reflect the optical limitations of close-up diopter filters
- No optical image stabilization (OSS) — full-frame Sony bodies with in-body stabilization (IBIS) compensate, but older A7 bodies (A7, A7R original) lack IBIS and will show more camera shake at the lens's wider apertures in low light
- Vignetting wide open at f/1.8 is visible in flat-field scenes and requires correction in post or in-camera, particularly on APS-C bodies shooting in full-frame mode
Frequently Asked Questions
Which Sony cameras is the FE 50mm f/1.8 compatible with?
The FE designation means this lens is designed for Sony's full-frame E-mount cameras — the A7, A7R, A7S, A9 series, and the A1. It also works on APS-C E-mount bodies (A6000 series, ZV-E10), where the crop factor produces an equivalent focal length of approximately 75mm, shifting it into short telephoto portrait territory. Autofocus and all electronic communication functions are fully supported across the E-mount lineup.
How does the f/1.8 aperture affect bokeh and depth of field in practice?
On a full-frame body at f/1.8 and a 50mm focal length, depth of field is shallow enough to isolate a subject against a meaningfully blurred background at portrait distances (1–3 meters). The 7-blade circular aperture produces smooth, rounded bokeh highlights. At f/1.8, the lens is at its widest — some corner softness and vignetting are expected wide open, as is typical of fast primes at this price point. Stopping down to f/2.8 sharpens the edges considerably.
How does this lens's autofocus perform on fast-moving subjects?
The internal AF motor is an in-lens linear motor (not a ring-type SSM or DDSSM). It is quiet and adequate for portraits, street photography, and slower-moving subjects. For fast sports or wildlife tracking, the AF speed is a noticeable limitation compared to Sony's G Master or GM primes — the FE 50mm f/1.8 is optimized for stills-focused work rather than continuous tracking of rapid motion.
What does the metal mount add beyond aesthetics?
The metal mount provides rigidity and wear resistance at the camera-to-lens contact point — the highest-stress mechanical junction in any lens system. Plastic mounts degrade over hundreds of mount/dismount cycles and can develop subtle play that affects alignment. A metal mount maintains tight tolerances throughout the lens's service life and contributes to the overall durability of the optical assembly.
What filter thread size does the FE 50mm f/1.8 use?
49mm. This is a smaller thread size than Sony's larger primes, which typically use 55mm, 67mm, or 72mm. The included bundle adds a 49mm UV filter and a set of 49mm color filters and macro close-up lenses, making the 49mm thread size a practical consideration if you're investing in filter accessories.
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