Product Comparison: Zeiss Loxia 2/50 vs Sony Sonnar T* FE 55mm F1.8 ZA

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General Specifications
Loxia 2/50
Sonnar T* FE 55mm F1.8 ZA
About the Product
Our compact standard lens for full frame Sony α7 cameras. Revel in the exceptional feel of precise manual focus, giving you unparalleled creative freedom at your fingertips.
The Sony Sonnar T* FE 55mm f/1.8 ZA Lens is a prime, normal focal length lens featuring a very fast and bright f/1.8 maximum aperture to support working in dimly-lit conditions and for greater control over focus for shallow depth of field imagery.
Key Specs
Mount Type
Sony E
Sony E
Maximum Aperture
2 /f
1.8 /f
Minimum Focal Length
50 millimeters
55 millimeters
Maximum Focal Length
50 millimeters
55 millimeters
Lens Type
What customers say about "Key Specs"
Zeiss Loxia 2/50 Camera Lens
  • I have been impressed with this lenses low light performance.
  • The wide angle gets everyone in, and the decent aperture lets in plenty of light.
  • It is very sharp at all apertures, even at the edges.
  • Excellent definition already at f/4, good maximum aperture at f/2 for both bokeh and night photos.
  • The f2 aperture allows you to use the lens even in poor or complicated lighting situations.
Sony Sonnar T* FE 55mm F1.8 ZA Camera Lens
  • It is considered one of the sharpest lenses in the absolute and they are right, even at wider openings.
  • It is a very sharp lens with a very versatile focal.
  • Very low chromatic aberrations at maximum aperture.
  • The focal length, fits a lot with the type of format.
  • Excellent construction. It has extreme sharpness even at full aperture.
Size & Weight
2.44 in.
2.53 in.
2.44 in.
2.53 in.
2.6 in.
2.77 in.
11.29 oz.
10 oz.
What customers say about "Size & Weight"
Zeiss Loxia 2/50 Camera Lens
  • It is very small and light to carry.
  • Very light and very discreet in sight.
  • The light weight and size make it incredibly portable.
  • I love to travel with this lens, so lightweight and does some job.
  • Perfect for travel, small, quiet, lightweight.
Sony Sonnar T* FE 55mm F1.8 ZA Camera Lens
  • Super super sharp! And tiny and lightweight!
  • It is a very sharp lens, compact and easy to carry.
  • The size and weight of the target is unbeatable!
  • Lightweight lens considering its workmanship and compact.
  • Lightweight lens with excellent performance even at full aperture.
Minimum Focus Distance
17.7 in.
19.7 in.
Field Of View
FX 43° / DX 29°
Zoom Type
Manual Focus
Auto Focus, Manual Focus
Optical Stabilization
What customers say about "Imaging"
Zeiss Loxia 2/50 Camera Lens
  • Excellent lens. Quiet and quick focusing.
  • The perfect focus and, fast and quiet.
  • In manual it works very well.
  • Great lens for sharpness and image quality.
  • Don't like the manual focus especially in video mode.
Sony Sonnar T* FE 55mm F1.8 ZA Camera Lens
  • The image quality is really good and focus is really good paired with a7riii.
  • It's razor sharp right from f1.8, fast focus and has great optical quality.
  • The manual focus ring was incredibly smooth and easy to operate.
  • Excellent build quality. Smooth and precise focusing ring.
  • Sharpness is as high as contrast. Autofocus is very fast.
Brand Compatibility
Sensor Type Compatibility
FX Format / DX Format
FX Format / DX Format
Lens Groups and Elements
6 elements in 4 groups
7 Elements in 5 Groups
Number of Aperture Blades
Filter Diameter
52 millimeters
49 millimeters
Precise manual focus, DeClick feature, Planar Design, ZEISS® T* coating
Circular aperture, ZEISS® T* coating, Moisture-proof and dust-resistant construction
What customers say about "Features"
Zeiss Loxia 2/50 Camera Lens
  • This lens is simply amazing and pictures are really sharp.
  • Lens is nicely made and of good quality.
  • This lens is a solid build feels sturdy.
  • Good quality metal build.
  • The build quality is superb with a metal mounting ring and overall sturdy construction.
Sony Sonnar T* FE 55mm F1.8 ZA Camera Lens
  • Excellent build quality, metal body like the focus ring, plastic will only be found in the cap.
  • Externally, build quality is good.
  • Sturdy and well built. Great lens.
  • The quality at 1.8 is very good, sharp at that opening as few.
  • Great built, rugged metal.
Warranty / Certifications
Manufacturer Warranty
1 year(s)
1 year(s)
Other Information
999.99 $

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