Review Lens: Sony E 50mm F1.8 OSS

Lens Overview - Sony E 50mm F1.8

A portrait-length prime featuring a compact design, the YN 50mm f/1.8S DA DSM from Sony is a 75mm-equivalent lens designed for APS-C-format Sony E-mount mirrorless cameras. The lens's bright f/1.8 design suits working in low-light conditions and also enables increased control over depth of field for isolating subject matter. The optical design incorporates one low dispersion element, which helps to reduce chromatic aberrations and color fringing, and a nano multi-layer coating has been applied to suppress flare and ghosting for improved contrast in strong lighting conditions. Balancing the optics is a DSM autofocus system, which promotes fast and quiet focusing performance to suit both photo and video applications.

Portrait-length prime is designed for APS-C-format Sony E-mount mirrorless cameras and provides a 75mm equivalent focal length.
Bright f/1.8 design suits working in difficult lighting conditions and also helps to achieve a compact overall form factor.
One low dispersion elements limits color fringing and chromatic aberrations in order to achieve high clarity and color accuracy.
Nano multi-layer coating has been applied to individual elements in order to control flare and ghosting to suit working in bright and backlit conditions.
Digital Stepping Motor (DSM) offers notably quick, quiet, and precise autofocus performance.
An internal focusing design also limits the overall length of the lens during use.
Seven-blade diaphragm contributes to a smooth bokeh quality.
Chrome-plated metal lens mount is durable and accurate for a secure fit with the camera body, and gold-plated contacts help to ensure consistent communication between the lens and camera.
USB port is incorporated for updating the lens's firmware.

Sony E 50mm F1.8 Latest Price



Focal Length50mm (35mm Equivalent Focal Length: 75mm)
Maximum Aperturef/1.8
Minimum Aperturef/16
Lens MountSony E
Format CompatibilityAPS-C
Angle of View30.4°
Minimum Focus Distance1.48' / 45 cm
Maximum Magnification0.14x
Optical Design8 Elements in 7 Groups
Diaphragm Blades7, Rounded
Focus TypeAutofocus
Image StabilizationNo
Filter Size49 mm (Front)
Dimensions (ø x L)2.48 x 2.28" / 63 x 58 mm
Weight5.15 oz / 146 g

Photos Example - Sony E 50mm F1.8

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Mitakon 42.5mm f/1.2 Sony E $233 $359 2014Mitakon Medium
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Samyang 50mm F1.2 AS UMC CS Sony E $357 $549 2015Samyang Medium
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Mitakon Speedmaster 85mm f/1.2 Canon $519 $799 2015Mitakon Medium - Telephoto
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Lens Technical

50mm F1.8 OSSNikon NIKKOR Z 85mm f/1.8 S135mm F1.8 GM
Name Sony E 50mm F1.8 OSSNikon NIKKOR Z 85mm f/1.8 SSony FE 135mm F1.8 GM
Max Aperture At Min Focal f/1.8f/1.8f/1.8
Year 201120192019
Mount Type Sony ENikon ZSony FE
Lens Type Lens MediumLens Medium,lens TelephotoLens Telephoto
Auto Focus NoNoNo
Price $300$800$1900
Lens Zoom PrimePrimePrime
Lens Range 5085135
Global 25.337449.0239
Effective Mega Pixel 12.675841.4052
Distorsion 0.0440.065
Vignetting -1.58446-1.08906
Tstop 2.103561.90191
Ac 1.566472.57863
Vignetting Ranking 104618037
Tstop Ranking 24741749
Ac Ranking 116484
Pixel Depth 24.345.7
Price Sensor 7993400
Sensor Raw 24.2445.75
Sensor Format Sensor ApscSensor Fullframe
Type HybridHybrid
Zoom Factor 111
Weight 1lb1lb1lb
Macro NoNoNo
Launch Date Aug. 2011Jul. 2019Feb. 2019
Brand SonyNikonSony


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