The 85mm focal length has long been a go-to for portraits, offering flattering compression and smooth background blur. A new entry into this field at an unusually low price point is bound to draw attention, especially for anyone looking to expand their kit without breaking the bank.
Coming to you from Craig Christoffersen, this detailed video takes a close look at the Sirui Aurora 85mm f/1.4 lens. Priced at $499, it comes in far below most competitors in the 85mm f/1.4 space. Christoffersen highlights touches like an AFL button, AF/MF switch, and a USB-C port for firmware updates, which aren’t always found at this price. Autofocus performance is strong and eye detection locks on quickly. It’s not limited to portrait work either: tracking small, fast wildlife produced solid results, even if that isn’t its main purpose.
Low light performance is another strength. With the lens wide open at f/1.4, subjects appear well-lit even in darker settings. Bokeh holds a circular shape at the center of the frame and looks particularly smooth when backgrounds are fully out of focus. At around f/5, Christoffersen notes the rendering feels especially pleasing. Autofocus motors stay nearly silent, only producing faint noise when hunting. In video work, he shows that while aperture racking introduces a bit of flicker moving from f/1.4 to f/11, it’s a manageable trade-off at this budget.
Key Specs
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Focal Length: 85mm
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Maximum Aperture: f/1.4
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Minimum Aperture: f/16
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Lens Mounts: Nikon Z, Leica L, Fujifilm X, Sony E
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Lens Format: Full frame
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Minimum Focus Distance: 2.79' / 85.04 cm
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Magnification: 0.12x
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Optical Design: 14 elements in 9 groups
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Aperture Blades: 15
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Autofocus: Yes
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Image Stabilization: No
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Filter Size: 67 mm
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Dimensions: ø: 3.2 x L: 4.1" / ø: 80.3 x L: 103.6 mm
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Weight: 1.3 lbs / 570 g
Christoffersen also points out design choices that help for video shooters. At 1.3 lbs, it’s lighter than most lenses in this category. The focus ring sits at the end of the barrel and turns smoothly, while the aperture ring can be clicked or de-clicked with a side switch. There’s no hard stop on the aperture ring, but it gives firm resistance at the ends. Without built-in stabilization, handheld work at 85mm is tough, but in-body stabilization and software like DaVinci Resolve handled motion cleanup effectively.
Optical results lean clean and consistent. Chromatic aberration is well-controlled, even wide open. Sunstars look defined and lens flare stays minimal. Sharpness is described as good, if not top-tier, though the images and video clips still present solid clarity and color. At $499, it’s one of the least expensive 85mm f/1.4 options available for Sony E mount. Christoffersen emphasizes that while it might not outperform higher-end glass, it balances cost, performance, and versatility in a way that makes it stand out. Check out the video above for the full rundown from Christoffersen.
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