This is a sharp little lens. I give it 5 stars - not necessarily to compare it to how it stacks up against more expensive lenses - but for overall value. For the price you’ll get lightweight, affordable lens that performs very well - with peppy autofocus. I love all these small rokinon/Samyang line of AF lenses.
For my immediate use, this has been a great lens for video when used on a gimbal with my Sony a7s3 when a wider lens is needed.
When buying I considered this against the tamron 20mm but went for this simply based on owning a rokinon AF 24mm and being happy with it.
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This Item  ROKINON AF 18mm F2.8 Wide Angle auto Focus Full Frame Lens for Sony E Mount, Black |  |  |  |  | |
| Price | — | $399.00 | $539.00 | $529.00 | $339.00 |
| Delivery | Get it as soon as Tuesday, Mar 26 | — | Get it Mar 27 - 29 | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 |
| Customer Ratings | |||||
| Sold By | Amazon.com | 17Photo, Electronics and Outdoors | COOKIESKIDS | Amazon.com | Amazon.com |
| lens type | zoom | Wide Angle | Standard | Wide Angle | Wide Angle |
| compatible mountings | Sony E | Sony E | Sony E | Sony E | Sony E |
| lens design | Prime | Prime | Prime | Prime | Prime |
| focus type | Auto Focus | Auto Focus | Auto/Manual | Auto Focus | Auto Focus |
| fixed focal length | 18 millimeters | 24 millimeters | 50 millimeters | 24 millimeters | 12 millimeters |
| model name | IO18AF-E | ROIO2418E | ROIO5014E | ROCAF24NEX | ROIO12AFE |
| min aperture | — | 22 f stop | 16 f stop | — | 22 millimeters |
| max aperture | 2.8 millimeters | 1.8 f stop | 1.4 f stop | 1.9 f stop | 2 millimeters |
| diaphragm blades | 7 | 9 | 9 | 9 | 7 |
| image stabilization | — | Optical | Optical | Digital | Optical |
From the manufacturer
AF 18mm F2.8 FE Lens
This tiny but super wide lens is breathtakingly lightweight, has high performance, and spectacular design. Perfect for mirrorless cameras, this ultra-compact lens delivers impressive resolution and optical performance.
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Wide-Angle Lens
This full-frame, 100˚ angle lens is made for Sony E-mount and APS-C mirrorless cameras.
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Linear Stepper Motor
The Linear Stepper Motor delivers fast and stable autofocusing, so you’ll never miss a shot.
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Lens Information
This prime lens features 8 specialized elements out of 9 possible: 3 ED, 3 ASP, and 2 HR.
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Sharp Resolution
Experience incredible sharpness, low chromatic aberration, and minimal distortion.
1 Wide-Angle Lens 2 Linear Stepper Motor 3 Lens Information 4 Sharp Resolution
Tiny But Super Wide
Innovative in size, this lens weighs only 145g and is easily held with one hand, making it the go-to choice for your photography kit.
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Sony FE 35mm F1.8 VS ROKINON AF 18mm F2.8 #thisorthat
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Reviews with images
Sharp lens for the price.
I spend a fair amount of time shooting landscapes. I’ve been shooting with my Ziess 24-70mm F4 with my Sony A7RII. I got the Rokinon 18mm for a wider angle. The lens is surprisingly sharp. I purchase a previously owned one in mint condition. The lens is very light and the build quality is cheap. It’s feels like some low grade plastic. However, the lens takes some great photos. I was amazed at just how much I could crop a shot and the details were spot on. I thought the lens was defective initially. The lens would not focus when I mounted it the 1st time. I took it off them put it back on and it worked perfectly. It’s definitely worth purchasing without breaking the back.
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