Sony releases the FE 12-24mm F/2.8 GM Lens

Sony releases the FE 12-24mm F/2.8 GM Lens
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Sony has unveiled the FE 12-24mm F/2.8 GM Lens. Advertised as the “world’s widest full-frame zoom with a constant f/2.8 aperture”, the GM is a lens which will definitely not be easy on your pocket

Sony 12-24mm f/2.8 G Master is the First Lens of its Kind - CamRojud
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Sony calls the new lens as the ideal landscape and astrophotography, architecture lens, and even for “active sports shooters who want to capture ultra-wide perspectives.”

FE 12-24mm F/2.8 GM Lens Specifications

Illustration of lens configuration
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FE 12-24mm F/2.8 GM Lens Configuration

G Master series lenses take imaging and expression to previously unattainable levels with a stunning blend of extremely high resolution and softly dissolving background bokeh
[1] Extreme aspherical lens (XA lens) [2] Aspherical lens [3] Super ED glass [4] ED (extra-low dispersion) glass

Modulation Transfer Function of SEL1224GM
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MTF Chart

MTF (Modulation Transfer Function) describes how well a lens can reproduce fine details, measured as the degree of contrast achieved between finely spaced lines.
[1] At 12 mm / Max. aperture [2] At 12 mm / F8 aperture
[3] At 24 mm / Max. aperture [4] At 24 mm / F8 aperture
[5] Contrast (%) [6] Distance from optical center of lens (mm)
[7] Spatial frequency [8] 10 line pairs / mm [9] 30 line pairs / mm
[10] Radial values [11] Tangential values

Principal specifications
Lens typeZoom lens
Max Format size35mm FF
Focal length12–24 mm
Image stabilizationNo
Lens mountSony FE
Aperture
Maximum apertureF2.8
Aperture ringNo
Number of diaphragm blades9
Optics
Special elements / coatingsNano AR II
Focus
Maximum magnification0.14×
AutofocusYes
Focus methodInternal
Physical
Weight847 g (1.87 lb)
Diameter98 mm (3.84)
Length137 mm (5.39)
SealingYes
Filter notesRear insert filter
Hood suppliedYes

The 12-24mm is dust and moisture-sealed and weighs in close to two pounds (847g / 1.9lb). Optical construction includes three XA Extreme Aspheric elements (including the largest that Sony’s ever made), two Super ED and three ED elements, as well as one aspherical lens element. Nano AR Coating II is used, along with a fluorine coating. The lens uses a nine-blade aperture.

Four XD linear motors move two focus groups and focusing is super silent. This delivers a constant minimum focusing distance of a mere 11 inches (28 cm). 

The Sony 12-24mm f/2.8 GM will be available in August for $3,000.

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