High-End (Flagship Lenses - $1500+)
* Sony FE 50mm f/1.2 GM (for Sony E-mount):
* Pros: Incredible sharpness, even wide open (f/1.2!), extremely shallow depth of field for dreamy backgrounds, beautiful bokeh, fast and accurate autofocus, well-built.
* Cons: Very expensive, large and heavy, might be *too* sharp for some portrait styles.
* Canon RF 50mm f/1.2L USM (for Canon RF-mount):
* Pros: Similar to the Sony 50mm f/1.2 GM: Exceptional sharpness, stunning bokeh, very shallow depth of field, robust build quality, fast and accurate autofocus.
* Cons: Very expensive, large and heavy. Also, Canon RF glass tends to be more expensive than other brands.
* Nikon Z 50mm f/1.2 S (for Nikon Z-mount):
* Pros: Similar to the Sony and Canon f/1.2 options: Outstanding sharpness, gorgeous bokeh, shallow depth of field, excellent build, fast and precise autofocus.
* Cons: You guessed it - very expensive, bulky and heavy.
Mid-Range (Excellent Performance - $500 - $1500)
* Sony FE 50mm f/1.4 GM (for Sony E-mount):
* Pros: Lighter and smaller than the f/1.2, amazing sharpness even at f/1.4, stunning Bokeh and background separation. Much more affordable than the f/1.2.
* Cons: Still quite expensive, some might still prefer the extreme shallow depth of field of the f/1.2.
* Sigma 50mm f/1.4 DG HSM Art (for Sony E, Canon EF, Nikon F, L-mount):
* Pros: Superb sharpness, beautiful bokeh, excellent build quality, faster autofocus than the older models, relatively affordable compared to brand-name f/1.2 or f/1.4 lenses.
* Cons: Can be a bit heavy and bulky, autofocus can occasionally hunt in low light, some sample variation in sharpness.
* Nikon AF-S NIKKOR 50mm f/1.4G (for Nikon F-mount):
* Pros: Good sharpness, pleasant bokeh, relatively compact, good value for the price.
* Cons: Autofocus can be noisy and not as fast as newer lenses, image quality not as impressive as the newer f/1.2 or Sigma Art.
* Canon EF 50mm f/1.4 USM (for Canon EF-mount):
* Pros: Affordable, decent image quality, compact and lightweight.
* Cons: Autofocus can be noisy and slower compared to newer lenses, not as sharp as the f/1.2 or Sigma Art, build quality is only okay.
Budget-Friendly (Great Value - Under $500)
* Yongnuo YN 50mm f/1.8 (for Canon EF, Nikon F, Sony E, M4/3):
* Pros: Incredibly affordable, surprisingly decent image quality for the price, lightweight.
* Cons: Build quality is plastic-y, autofocus can be slow and noisy, sharpness isn't amazing, but acceptable.
* Canon EF 50mm f/1.8 STM (for Canon EF-mount):
* Pros: Extremely affordable, lightweight, compact, quiet and smooth STM autofocus (better for video). Good upgrade over the older f/1.8 II version.
* Cons: Build quality is plastic, not incredibly sharp wide open, but improves as you stop down.
* Nikon AF-S NIKKOR 50mm f/1.8G (for Nikon F-mount):
* Pros: Affordable, lightweight, good sharpness for the price, quiet autofocus.
* Cons: Build quality is plastic, not as sharp as higher-end lenses.
* Sony FE 50mm f/1.8 (for Sony E-mount):
* Pros: Affordable, compact, lightweight, decent image quality.
* Cons: Autofocus can be a bit noisy, sharpness is decent but not exceptional, especially in the corners.
Key Considerations for Portraits:
* Aperture (f-stop): A wider aperture (lower number like f/1.2, f/1.4, or f/1.8) allows more light in, creating a shallower depth of field and blurring the background (bokeh). This is often desirable for isolating your subject in portraits.
* Sharpness: While sharpness is important, it's not everything. Too much sharpness can accentuate flaws in skin. A slightly softer lens or post-processing techniques can often be more flattering.
* Bokeh: Bokeh refers to the quality of the out-of-focus areas in the image. Look for lenses with smooth, creamy bokeh for pleasing backgrounds.
* Autofocus: Fast and accurate autofocus is essential for capturing sharp portraits, especially when shooting with a shallow depth of field.
* Build Quality: A well-built lens will last longer and withstand more use.
* Your Camera System: Make sure the lens is compatible with your camera's mount (e.g., Canon EF, Nikon F, Sony E, etc.).
* Crop Sensor vs. Full Frame: If you have a crop sensor camera, a 50mm lens will have a tighter field of view, equivalent to around 75mm or 80mm on a full-frame camera. This is still a usable focal length for portraits, but you'll need more space between you and your subject.
Recommendations Based on Budget:
* Best Overall (Money No Object): Sony FE 50mm f/1.2 GM, Canon RF 50mm f/1.2L USM, or Nikon Z 50mm f/1.2 S - for their incredible image quality and performance.
* Best Mid-Range: Sigma 50mm f/1.4 DG HSM Art - offers excellent sharpness and bokeh at a more reasonable price, although it's a bit bulky. The Sony 50mm f/1.4 GM would be a good alternative if you're on a Sony camera and willing to spend a bit more.
* Best Budget: Canon EF 50mm f/1.8 STM - a fantastic value for the price, especially for beginners. The Nikon 50mm f/1.8G is a great option for Nikon users.
Before You Buy:
* Read reviews: Check out reviews from reputable sources (e.g., DPReview, Lensrentals, Photography Life) to get a sense of the lens's performance and quirks.
* Rent a lens: If possible, rent a lens before you buy it to see if it meets your needs and suits your shooting style.
* Consider used options: You can often find excellent deals on used lenses in good condition.
Ultimately, the best 50mm lens for portraits is the one that fits your budget, meets your needs, and helps you create the images you envision. Good luck with your search!