Pro Moviemaker October 2022 - Web

MINI TESTS

SPECIFICATIONS SIGMA 20MM F/1.4 DG DN Focal length: 20mm Mount: Sony E, Leica L Image coverage: Full-frame

Aperture: F/1.4-16 Aperture blades: 11

Construction: 17 elements in 15 groups, two FLD and three aspherical elements Image stabilisation: None Minimum focusing: 23cm/9.1in Filter size: 82mm Dimensions (dxl): 87.8x111.2mm/3.5x4.4in Weight: 635g/1.39lb SIGMA 24MM F/1.4 DG DN Focal length: 24mm Mount: Sony E, Leica L Image coverage: Full-frame

UNIQUE STYLE Sigma’s 20mm optic gives a distinctive look shot wide open

Aperture: F/1.4-16 Aperture blades: 11

Construction: 17 elements in 14 groups, two FLD, one SLD and three aspherical elements Image stabilisation: None Minimum focusing: 25cm/9.9in

Filter size: 72mm Dimensions (dxl): 75.7x95.5mm/3x3.8in Weight: 520g/1.15lb

PRO MOVIEMAKER RATING: 9/10 The unique look of a fast, wide prime – and affordable Pros: Fast maximum aperture, image quality Cons: No built-in image stabilisation At middle apertures, everything is as sharp as you would expect. But go wide open and the magic starts to happen, with a unique perspective and shallow plane of focus. Sigma doesn’t have a monopoly on premium AF primes for full-frame mirrorless. But in reality, there are few to choose from. Sony has the 24mm f/1.4 GM – a stunning performer, but just shy of twice the price. Or its 20mm f/1.8 lens, which doesn’t have GM glass so is slightly cheaper than the Sigma – but half a stop slower. Nothing from Zeiss, Tokina, Tamron, Samyang or Voigtlander compares. Even Leica, Canon, Panasonic and Nikon don’t have such a fast prime AF wide lens for mirrorless. These lenses handle well, are the right size and give impressive results.

a tiny bit of purple fringing in very high-contrast shots. Both are sharp across the frame, but the far edges of the 20mm version can soften a tad when wide open. But only when pixel- peeping – as in real-life video use. It’s hard to notice. Some vignetting occurs at f/1.4, but it’s virtually gone by f/2.8. Software can easily clear this up, or you might like it for creative effect. Flare and ghosting is well-controlled.

glass filters or gels. A locking lever on the 24mm version catches these filters, and a template for cutting your own comes with both kits. Each lens focuses extremely quickly and silently, showing little evidence of focus breathing – although this is hard to detect in wide lenses compared to telephotos. Optically, they perform very well, giving high-contrast results with just

“Each lens focuses extremely quickly and silently, showing little evidence of focus breathing”

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