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Sony FE 50/1.2 GM vs Sony FE 50/1.4 GM?

Sony FE 50mm f/1.2 GM

I bought the Sony FE 50mm f/1.2 GM back when I tested it in 2021. Since then I have used it little. Gorgeous rendering, to be sure, but it’s a marginal performer for landscape.

Notwithstanding its fantasy MTF (see 50/1.2 GM MTF chart), the 50/1.2 GM is nowhere near the match of the Voigtlander FE 50mm f/2 APO-Lanthar for practical field use.

Most troublesome, the Sony 50/1.2 GM has to be at f/5.6 just to get sharp across the field. But at least is vastly better-behaved than the Nikon Nikkor Z 50mm f/1.2 S.

Now we have the smaller/lighter/cheaper Sony FE 50mm f/1.4 GM (about $1298), and I’m thinking that it might be the better lens for landscape... and might not.

Sony FE 50mm f/1.4 GM

The fantasy MTF chart for the 50/1.4 GM is impressive, which is to say it is likely bullshit that as with the 50/1.2GM will not match reality. And stopped-down , it has more astigmatism than the 50/1.2 GM. Only field shots can really tell us much—what Sony can design vs what Sony can build are two different things.


Sony FE 50mm f/1.2 GM
  • Breathtaking G MasterTM image quality right out to the edges of the frame
  • Innovative optics and a large F1.4 aperture deliver magnificent bokeh
  • Highly mobile, lightweight and compact lens with incredible performance
  • Fast, precise, quiet autofocus and tracking for stills and movies
  • Circular aperture with 11-blade iris for naturally rendered bokeh
  • Excellent close-up performance and magnification for eye-opening detail
  • ED glass element minimizes chromatic aberration for precisely rendered edge detail
  • Nano AR Coating II for outstanding clarity and minimized flare and ghosting
  • Support for Active Mode2 stabilization for stable handheld video
  • Dedicated aperture ring, click/de-click and iris lock switches
  • Customizable focus hold buttons in two locations for easy access and control
  • Linear Response MF for precise, repeatable manual focus control
  • Instant auto/manual focus selection via AF/MF switch
  • Front fluorine coating repels fingerprints, dust, water and oil
  • Dust and moisture resistant3 design for reliability in challenging conditions
  • Compatible with 67 mm filters same as SEL24F14GM and SEL35F14GM
  • Round shaped, bayonet mount lens hood ALC-SH173 supplied

Nice specs on paper.



As per Sony.

Specifications for Sony FE 50mm f/1.4 GM
Focal length: 20-70mm (nominal)
Aperture range: f/1.4 - f/16
Focusing range: 16.1in = 41cm
Angle of view: 47°
Number of elements/groups: 14 elements in 11 groups
Diaphragm: 11 blades, rounded
Magnification: 0.39X = 1:2.56
Filter thread: 67mm
Weight (as weighed): 18.2 oz = 516 (nominal)
Dimensions: Approx. 3.2 X 3.8 in = 80.6 X 96mm
Street price: about $1298
Supplied with:

Front Lens Cap
Rear Lens cap
Lens Hood
Limited 1-Year Warranty

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