Brands Guides About
Meike MK-8518 Sony E 85mm F1.8 AF Portrait Lens — main product image
Meike MK-8518 Sony E 85mm F1.8 AF Portrait Lens
Meike MK-8518 Sony E 85mm F1.8 AF Portrait Lens
Meike MK-8518 Sony E 85mm F1.8 AF Portrait Lens
Meike MK-8518 Sony E 85mm F1.8 AF Portrait Lens
Meike MK-8518 Sony E 85mm F1.8 AF Portrait Lens
Meike MK-8518 Sony E 85mm F1.8 AF Portrait Lens
Meike

Meike MK-8518 Sony E 85mm F1.8 AF Portrait Lens

★★★★★4.0 (87 reviews)

Tack-sharp portraits with creamy f/1.8 bokeh and silent STM autofocus — the Meike 85mm delivers studio-quality results for Sony E-mount shooters at a fraction of the price.

$135.99*$199.99Save 32%
Check availability

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Meike MK-8518 is an 85mm f/1.8 prime lens built for Sony E-mount shooters who want a classic portrait focal length with modern autofocus capability and a price point that doesn't require choosing between glass and a second camera body. Wide open at f/1.8, it renders subjects with the shallow depth of field that separates a subject from its environment with elegant clarity — faces are sharp and detailed at the plane of focus, while backgrounds dissolve into the smooth, rounded bokeh circles that nine rounded aperture blades produce. The 85mm field of view on a full-frame body provides the natural perspective compression that flatters portrait subjects, pulling backgrounds closer and reducing the distortion that wider lenses introduce at close working distances.

The STM stepping motor is the lens's most practically important feature for Sony shooters — it enables the quiet, smooth focus transitions that Sony's Eye AF system works with naturally, and it avoids the mechanical noise that older screw-drive autofocus designs produce during video recording or quiet studio sessions. Full electronic coupling means the camera body receives accurate EXIF data, IBIS gets the focal length information it needs, and Eye AF can engage reliably. The micro USB firmware update port is an underrated asset: as Sony releases camera firmware updates that affect third-party lens communication, Meike can push corrective updates rather than leaving shooters stranded on an incompatible firmware version. At 386 grams, the lens is light enough for full-day portrait assignments without the fatigue that heavier native alternatives introduce, making it a pragmatic choice for photographers who need a capable, versatile 85mm that earns its place in the bag.

Key Features

Standard 85mm full frame lens for portrait, subject, architecture and landscape photography

Wide aperture of f1.8 with 9 diaphragm blades, designed to produce super smooth round blur effect (bokeh)

Support AF, electronic aperture adjustment and EXIF information transmission

Equipped with STM stepping motor, the lens will bring you experience of silent and smooth focusing; Features micro USB firmware upgrade interface, enables you to upgrade the lens online

Compatible with Sony E Mount Cameras A7 A7R A74 A7R4 A7III A7RII A7RIII A7SIII A9; Also compatible with Sony APS-C frame cameras A6300 A6400 A6500 A6600, the equivalent focal length is 127.5mm, but not compatible with Sony NEX Series APS-C Cameras

Specifications

Focal Length
85mm (127.5mm APS-C equivalent)
Maximum Aperture
f/1.8
Minimum Aperture
f/22
Aperture Blades
9 (rounded)
Lens Construction
9 elements in 6 groups
Autofocus
STM stepping motor
Mount
Sony E-Mount (Full Frame and APS-C)
Filter Thread
67mm
Minimum Focusing Distance
0.85m
Weight
386g
Firmware Update
Micro USB port

Pros & Cons

👍 Pros

  • The f/1.8 aperture paired with 9 rounded diaphragm blades produces smooth, organic bokeh with near-circular highlight rendering — a portrait photographer's primary creative tool.
  • STM stepping motor delivers silent, smooth autofocus that is unobtrusive during quiet portrait sessions and compatible with Sony's Eye AF on full-frame bodies.
  • Full electronic coupling enables EXIF transmission, IBIS communication, and Eye AF integration on supported Sony E-mount cameras — functionality that older third-party 85mm lenses sacrificed.
  • Micro USB firmware update port provides a pathway to maintain AF compatibility as Sony camera firmware evolves — a long-term value advantage over non-updatable third-party alternatives.
  • At 386g, the lens is notably lighter than Sony's 85mm GM, making it a practical choice for long portrait days or travel photographers who carry their kit on their back.

👎 Cons

  • At a minimum focusing distance of 0.85 meters, the lens cannot achieve the tight crop ratios that shorter minimum distances allow — a limitation photographers notice when trying to fill the frame with tight face detail.
  • Continuous AF tracking on moving subjects in low light falls behind Sony's native 85mm options and dedicated sports-oriented third-party lenses — this is a portrait and still-work lens, not a tracking tool.
  • The 67mm filter thread is functional, but 85mm prime shooters accustomed to Sony GM or Zeiss glass may find the build quality and tactile feel of controls noticeably different at this price point.
  • On APS-C bodies, the 127.5mm equivalent focal length produces a very tight perspective that limits use cases — environmental portraits and most indoor scenarios become challenging at that reach.
  • Not compatible with Sony NEX-series APS-C cameras, narrowing the compatibility footprint among older Sony mirrorless shooters.

Frequently Asked Questions

The STM stepping motor drives smooth, near-silent focus acquisition that keeps up reliably in well-lit portrait and event scenarios. In continuous AF during subject movement, the lens tracks competently on Sony bodies with good phase-detection coverage, though shooters who push into fast-action or low-light tracking may notice it falls short of Sony's native G and GM glass. For posed portrait work, headshots, and moderate-pace event coverage, the AF is responsive and quiet enough to use in silent shooting scenarios without distracting subjects.
EXIF data transmission is supported via the electronic coupling between the lens and Sony E-mount bodies, which enables communication with IBIS and Eye AF systems on compatible Sony cameras including the A7 III, A7R IV, A7S III, and A9. The STM motor's smooth focus transition works well with Sony's Eye AF implementation — face and eye detection engage naturally during handheld portrait work, and IBIS receives the focal length data it needs for effective stabilization.
Nine rounded diaphragm blades produce a near-circular aperture opening across most of the lens's aperture range, which translates to smooth, even bokeh circles with minimal polygonal edging. At f/1.8, background blur is pleasingly organic — highlights render as soft, round discs rather than hard-edged shapes. Portrait photographers shooting against textured or light-strewn backgrounds will find the bokeh character smooth and flattering at typical working distances.
The minimum focusing distance is 0.85 meters (roughly 2.8 feet). At 85mm full frame, this allows tight head-and-shoulders framing at the minimum distance — practical for most portrait studio and environmental shooting scenarios. For closer detail work like tight head shots filling the frame, you'll need to be mindful of that distance floor; moving in too close will cause the lens to hunt or fail to lock focus.
The Meike MK-8518 includes a micro USB port for firmware updates, which is a meaningful feature for a third-party lens. Sony periodically updates its camera firmware, which can affect third-party lens communication. The ability to push lens firmware updates means Meike can maintain and improve AF compatibility, aperture response, and EXIF accuracy as Sony's platform evolves — a practical advantage over third-party lenses with no update pathway.

Related Products