Sony 85mm f/1.4 GM vs Sigma 85mm f/1.4 Art: Portrait Lens Showdown
Sony 85mm GM vs Sigma 85mm Art comparison. We test sharpness, bokeh, and value to find the best portrait lens for Sony shooters.
Two excellent 85mm f/1.4 lenses for Sony: the Sony GM and Sigma Art. Which deserves your money?
Specifications
| Spec | Sony GM | Sigma Art |
|---|---|---|
| Aperture | f/1.4 | f/1.4 |
| Elements | 11 in 8 groups | 15 in 11 groups |
| Weight | 820g | 625g |
| Filter | 77mm | 77mm |
| Price | $1,798 | $1,099 |
Sharpness
Both lenses are exceptionally sharp:
- Sony: Slightly sharper corners wide open
- Sigma: Excellent center and corners
Practical difference is minimal in portrait work.
Bokeh
- Sony GM: Renowned for smooth, creamy bokeh
- Sigma Art: Beautiful bokeh, very close to Sony
The Sony has a slight edge for critical viewers.
Autofocus
- Sony GM: Fastest, most reliable
- Sigma Art: Fast and accurate, slightly slower
Both track excellently with modern Sony bodies.
Value Winner: Sigma
The Sigma 85mm Art at $1,099 is $700 less than the Sony while delivering 95% of the performance.
Premium Choice: Sony GM
The Sony 85mm GM offers the absolute best bokeh and AF, justifying the premium for professionals.
Recommendation
Choose Sigma for exceptional quality at great value. Choose Sony if budget allows and you demand perfection.
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