The Zeiss Loxia E 50mm f/2 Planar for Sony E is a high-quality manual-focus lens designed for full-frame E-mount cameras like the Sony a7 III, a7R III, and a9. Key features include:
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Versatile focal length
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Advanced optics for high-quality images
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Smooth manual focusing
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Weather-resistant construction
Classic Design. Based on the great , the Zeiss Loxia E 50mm f/2 Biogon is manual-focus, manual-aperture lens with electronic contacts for transmitting EXIF data and focus confirmation with Sony E-mount cameras. While it’s optimized for full-frame cameras, the Loxia line of lenses is fully compatible with APS-C Sony E-mount cameras with a 1.5x crop factor.
Standard Prime. When used on a full-frame camera, you have yourself a “nifty fifty” that’s long been popular for just about every type of photography. With an APS-C sensor camera, you’ll have a normal/short tele lens with a focal length equivalent to 75mm.
Fast Aperture. The f/2 aperture enables decent low-light shooting speed and great background blur for controlling depth of field. The manual aperture ring offers 1/2-stop clicks throughout the f/2-22 range, as well as the ability to mechanically switch to clickless operation.
Manual Focus. The knurled metal focus ring rotates 180º, providing smooth, weighted operation. Engraved depth-of-field and distance-scale markings ensure easy visibility, and the lens’s built-in electronics enable both focus confirmation and automatic viewfinder magnification.
Advanced Optics. The symmetrical Biogon design features four groups/six elements to minimize chromatic aberrations and distortion without the need for additional specialized elements. Carl Zeiss T* anti-reflective coating eliminates lens flare and ghosting while providing the famous high micro-contrast Zeiss look.
High-Quality Build. The all-metal barrel provides gives the Loxia 50mm a solid feel with a weather-resistant gasket at the lens mount to protect against the elements.
| Angle of View |
46.8° |
| Aperture |
f/2-22 |
| Autofocus |
Manual Focus Only |
| Brand |
Zeiss |
| Compatibility |
Crop and Full Frame |
| Diameter |
2.44″ |
| Dimensions |
Length: 2.33″ |
| Filter Size |
52.0mm (nonrotating front element) |
| Focal Length |
50.0-50.0 |
| Hood Included |
Yes |
| Image Stabilization |
No |
| Item Type |
Lens |
| Lens Type |
Normal Range |
| Low Dispersion Elements |
0 |
| Max Aperture |
2.0 |
| Minimum Aperture |
22.0 |
| Minimum Focusing Distance |
1.48feet |
| Mount |
Sony E |
| Weight |
0.70 lb. |












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