Compact, lightweight standard zoom covers ultra-wide 20 mm to 70 mm

Redefines the standard zoom lens category with a focal length range that extends from ultra-wide 20 mm to 70 mm in a remarkably compact, lightweight full-frame lens with constant F4 maximum aperture.

Product Highlights:

Ultra-wide 20 mm to mid-tele 70 mm zoom range, for a range of movie and still subjects.

Outstanding G Lens image quality with high resolution at all focal lengths

Peak performance AF with two XD Linear Motors for precise, fast, quiet focus drive

Refined movie imagery with minimized focus breathing and focus/axial shift while zooming

Compact, lightweight design for superb image quality and versatility in any situation

Excellent close-up performance of 9.8” (25cm) throughout the zoom range (manual focus)

Constant F4 maximum aperture throughout zoom range for greater flexibility

Circular aperture with 9-blade iris for naturally rendered bokeh

Active Mode5 image stabilization highly effective at ultra-wide 20 mm

Dedicated aperture ring, click/de-click and iris lock switches

Customizable focus hold buttons provided in two locations for easy access and control

ED glass lens elements correct spherical and chromatic aberrations

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 resistant6 design for reliability in challenging conditions

Front 72mm threaded for screw-on filters

Petal shaped, bayonet mount lens hood ALC-SH174 supplied

Product Features:

Standard zoom redefined: ultra-wide 20 mm to 70 mm

This versatile, high-performance E-mount lens offers a zoom range that extends from ultra-wide 20 mm to 70 mm in a compact, lightweight model that has been painstakingly designed with no compromises in image quality, AF performance, or movie operability.

Outstanding G Lens image quality

Two AA (advanced aspherical) elements and three ED (Extra-low Dispersion) glass elements simultaneously correct chromatic and spherical aberration for extremely high optical performance right out to the image edges, from ultra-wide 20 mm to 70 mm. Deep, soft bokeh is enhanced by a 9-blade circular aperture and optimally tuned spherical aberration, supporting the creation of beautiful, memorable imagery.

Peak AF performance for stills and movies

Two XD (extreme dynamic) Linear Motors provide high thrust for fast, quiet, smooth focus drive. Improved thrust efficiency1 results in up to a 60% increase in AF speed2, and tracking performance has been improved by as much as two times2 so tracking is reliable and precise. Moving subjects are reliably tracked when shooting continuous stills at up to 30 fps3, and high-frame-rate movie capture is smooth.

Refined movie imagery

Advanced technology reduces focus breathing as well as focus and axial shift when zooming so that distracting image shifts are minimized. This lens has also been designed for quiet operation when shooting movies, with XD Linear Motors and a newly developed aperture unit that dramatically reduce noise and vibration. The breathing compensation function provided in compatible α series cameras4 is also supported.

High-level operability and reliability for any environment

This lens features a dust and moisture resistant design and a fluorine-coated front element that repels contaminants. All controls, including customizable focus hold buttons and independent rings for focus, zoom, and aperture are designed for smooth, versatile control when shooting stills or movies. A focus mode switch makes it easy to switch between autofocus and manual focus on the fly.

Lens Configuration

Impeccable Sony G Lens design emphasizes a graceful balance between high resolution and gorgeous background bokeh that can enhance the artist's vision.

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.

Advantages of Sony's lenses for video shooting

Learn the four unique advantages of using Sony's E-mount lens for video shooting. The combination of Sony's lenses and cameras will enhance your video creation experience.

Product Specifications:

General

Product name - FE 20-70 mm F4 G

Model name - SEL2070G

Lens mount - Sony E-mount

Format - 35mm full frame

Maximum aperture (F) - 4

Minimum Aperture (F) - 22

Maximum Magnification ratio (x) - 0,39

Dimensions dia. x length (mm) - 78.7 x 99

Dimensions dia. x length (in.) - 3-1/8 x 4

Weight (approx.) (g) - 488

Weight (approx.) (oz.) - 17,3

Focal-Length (mm) - 20-70

35mm equivalent focal-length (APS-C) (mm) - 30-105

Lens construction (groups-elements) - 13-16

Angle of view (35mm) - 94°-34°

Number of aperture blade - 9

Circular Aperture - Yes

Minimum focus distance (m) - 0.3(W)-0.25(T) (AF) 0.25 (MF)

Minimum focus distance (ft) - 0.99(W)-0.82(T) (AF) 0.82 (MF)

Filter Diameter (mm) - 72

Image stabilization (SteadyShot) - (body-integrated)

Zoom system - Manual

Teleconverter compatibility (x1.4) - Incompatible

Teleconverter compatibility (x2.0) - Incompatible

Hood Type - Petal shape, bayonet type

Type - Interchangeable lens

Angle of view (APS-C) 1 - 70°-23° 1 With interchangeable-lens digital camera incorporating APS-C type image sensors.

Other Information

Fluorine coating - Yes

Mount rubber ring - Yes

ED/Super ED glass (elements) - ED (3)

Aspherical lens (elements) - Yes (4) (including 2 AA lens and 1 ED aspherical)

Lens coating - Multi-coating

Focusing type - Internal

AF actuator - XD Linear Motor x2

Linear Response MF - Yes

• Sony FE 20-70mm F4 G Zoom E-Mount Lens, SEL2070GLens front cap (ALC-F72S)Lens rear cap (ALC-R1EM)Soft CaseHood (ALC-SH174)

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