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Sony Fisheye Full-Frame Converter for FE 28 mm F2 Lens, 16 mm 180° Perspective, SEL28F20

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Key Features
- Full-frame 180 Fisheye Conversion: Converts FE 28 mm f/2 to 16 mm, 180 diagonal view.
- APS-C Coverage: Provides ~24 mm equivalent on APS-C bodies for wide creativity.
- Compact Converter Design: Adds fisheye capability without a separate lens.
- Built-in Petal Hood: Integrated hood, no external filter threads required.
- Automatic EXIF Transmission: Lens metadata recorded automatically when attached.
- Weather Resistant: Dust and moisture resistant construction when used correctly.
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Sony Fisheye Full-Frame Converter for FE 28 mm F2 Lens, 16 mm 180° Perspective, SEL28F20 Overview
Description
The Sony SEL057FEC converts the Sony FE 28 mm f/2 into a dramatic 16 mm full-frame fisheye, delivering a 180° diagonal field of view on full-frame bodies and roughly 24 mm equivalent coverage on APS-C cameras. Lightweight and compact, the converter attaches directly to the host lens and transmits EXIF data to the camera for seamless metadata and workflow integration.
Designed for photographers and content creators who already own the FE 28 mm f/2, this converter provides an economical, travel-friendly way to add true fisheye perspectives without carrying a second lens. Weather-resistant construction and an integrated petal hood make it suitable for outdoor use when paired correctly with compatible gear.
Benefits
- Instant Fisheye Capability: Transform an existing FE 28 mm f/2 into a true fisheye, saving cost and bag space.
- Creative Perspectives: Capture dramatic foreground exaggeration and immersive scenes for landscapes, street, and action.
- Metadata-Friendly: Automatic EXIF transmission preserves lens data for reliable post-processing.
- Outdoor Ready: Dust and moisture resistant design increases reliability in varied shooting conditions.
Applications
- Creative and experimental photography — fisheye distortion, spherical compositions
- Street and travel — capture wide scenes in tight spaces
- Video and social content — music videos, vlogs, skate and action POV shots
Why Choose This Converter
- Official Sony design matched optically and physically to the FE 28 mm f/2, offering integration and consistent performance compared to generic adapters.
Buy & Learn More
Ready to add dramatic fisheye capability to your FE 28 mm f/2? Shop the Sony SEL057FEC and expand your creative toolkit today — available at 17th Street.
Specifications
| Model Name / Number | SEL057FEC |
| Lens Type | Fisheye converter |
| Intended Use | Photography, Video |
| Weather Sealing (Yes/No) | Yes, dust and moisture resistant when used with compatible lens/body |
| Dimensions (Diameter Length) | ~89 58.5 mm |
| Weight | 418 g |
| Mount Type | Sony E-mount (attaches to FE 28 mm f/2 host lens) |
| Compatible Sensor Size | Full-frame, APS-C |
| Coverage | Full-frame 180, APS-C ~105 |
| Focal Length (Fixed / 35mm Equivalent) | 16 mm (full-frame) / 24 mm (APS-C) |
| Maximum Aperture | f/3.5 (when attached to FE 28 mm f/2) |
| Minimum Aperture | f/22 (with host lens) |
| Optical Construction (Elements / Groups) | 5 elements / 4 groups |
| Minimum Focus Distance | 0.22 m (22 cm) |
| Maximum Magnification Ratio | 0.14 |
| Filter Thread Size (mm) | No external filter threads, built-in petal-type hood |
| Brand | Sony |
| Manufacturer SKU | SEL057FEC |
| UPC | 027242888821 |
What’s included
- 1- Sony Fisheye Full-Frame Converter
- 1- Front Lens Cap
- 1- Rear Lens Cap
- 1- Lens Case
Compatibility
| FREEFLY Ember S5K | Sony BURANO | Sony ILX-LR1 | Sony NEX-VG30 | Sony PXW-FS7M2 |
| Kinefinity MAVO LF MKII | Sony BURANO CineAlta Digital Cinema Camera | Sony NEX-EA50M | Sony NEX-VG900 | Sony PXW-FX9 |
| Kinefinity MAVO S35 MKII | Sony FX3 | Sony NEX-EA50UH | Sony PXW-FS5 | Sony VENICE 6K Digital Motion Picture Camera |
| Sony FX30 | Sony NEX-FS700R | Sony PXW-FS5M2 | Sony FX6 | Sony NEX-FS700U |
| Sony PXW-FS7 |
FAQ
Q1: Can I use the SEL057FEC with any lens?
A1: No, the SEL057FEC is designed specifically to work with the Sony FE 28 mm f/2 host lens. It is a converter, not a standalone lens.
Q2: What focal length does it provide on full-frame and APS-C cameras?
A2: When attached to the FE 28 mm f/2, it yields a 16 mm focal length on full-frame bodies and roughly a 24 mm equivalent on APS-C bodies.
Q3: Does the converter affect the lens aperture?
A3: Yes, with the converter attached the effective maximum aperture is f/3.5 and the minimum aperture can reach f/22, as stated by the manufacturer.
Q4: Will I lose autofocus or EXIF data?
A4: Autofocus remains functional via the host lens and the converter transmits EXIF data automatically to the camera for correct metadata recording.
Q5: Are there external filter threads?
A5: No, the converter uses a built-in petal-type hood and does not provide standard external filter threads.
Q6: Is the converter weather sealed?
A6: The converter has a dust and moisture resistant design when used correctly with compatible lens and camera bodies, increasing reliability outdoors.
Q7: What is the minimum focusing distance with the converter attached?
A7: The minimum focus distance when the converter is attached to the host lens is approximately 0.22 m (22 cm).
Q8: How heavy is the converter?
A8: The SEL057FEC weighs about 418 g (14.8 oz).
Q9: Will the converter degrade image quality compared to a dedicated fisheye lens?
A9: Sony positions the converter as optically matched to the FE 28 mm f/2 to maintain high optical performance, though dedicated fisheye primes may differ in rendering and sharpness characteristics.
Q10: Can I use the converter for video work?
A10: Yes, it is suitable for video and creative applications like vlogs, music videos, action POV, and other content where fisheye perspective is desired.

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