Sony Vario-Sonnar T* 24–70mm F2.8 ZA SSM vs Sony FE 24-70mm F2.8 GM

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Vario-Sonnar T* 24–70mm F2.8 ZA SSM compared with FE 24-70mm F2.8 GM

	SonyVario-Sonnar T* 24–70mm F2.8 ZA SSM	SonyFE 24-70mm F2.8 GM
Overview
Released
Released	February 2008	March 2016
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	24–70 mm	24–70 mm
Maximum aperture
Maximum aperture	f/2.8	f/2.8
Minimum aperture
Minimum aperture	f/22	f/22
Optical construction
Optical construction	17 elements in 13 groups	Eighteen elements in thirteen groups
Special elements
Special elements	Two aspherical elements and two ED elements	Three aspherical elements in total including one XA element; one ED and one Super ED element
Coatings
Coatings	Zeiss T* coating	Sony Nano AR coating
Diaphragm
Diaphragm	Nine rounded blades	Nine rounded blades
Angle of view
Angle of view	84°–34° full-frame; 61°–23° APS-C	84°–34° full frame; 61°–23° APS-C
Mount and compatibility
Mounts
Mounts	Sony A	Sony E
Image circle
Image circle	Full frame	Full frame
Image circle detail
Image circle detail	Full-frame A-mount coverage; 36–105 mm equivalent field of view on APS-C	Full-frame coverage; 36–105 mm equivalent field of view on APS-C
Teleconverter support
Teleconverter support	Sony 1.4× and 2× teleconverters unsupported	Not compatible with Sony E-mount teleconverters
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.34 m	0.38 m
Maximum magnification
Maximum magnification	0.25×	0.24×
Optical stabilisation
Optical stabilisation	–	No
Autofocus detail
Autofocus detail	In-lens Super Sonic wave Motor (SSM)	Direct-drive SSM
Focus distance detail
Focus distance detail	0.34 m minimum focus; distance scale and internal focusing	0.38 m minimum focus distance
Magnification detail
Magnification detail	–	0.24× maximum magnification
Stabilisation detail
Stabilisation detail	–	No optical stabilisation; compatible camera body stabilisation can be used
Video features
Video features	–	Constant F2.8 maximum aperture and quiet direct-drive SSM focusing
Design
Dust and moisture resistant
Dust and moisture resistant	–	Yes
Filter diameter
Filter diameter	77 mm	82 mm
Maximum diameter
Maximum diameter	83 mm	87.6 mm
Length
Length	111 mm	136 mm
Weight
Weight	955 g	886 g (better)
Controls
Controls	Focus-mode switch and focus-hold button	Manual-focus and zoom rings, AF/MF switch, focus-hold button, zoom lock switch and hood release button
Filter detail
Filter detail	–	82 mm front filter thread
Weather resistance
Weather resistance	–	Dust and moisture resistant design with rubber mount ring; not guaranteed to prevent all ingress
Dimensions detail
Dimensions detail	–	87.6 mm maximum diameter × 136 mm maker length; extends at longer zoom settings (Photography Blog and Digital Camera World)
Weight detail
Weight detail	–	Approximately 886 g lens; separate hood and caps excluded
Zoom design
Zoom design	Extending zoom barrel; front element does not rotate during zooming or focusing (OpticalLimits)	–
Lens hood
Lens hood	Petal-shaped bayonet hood	ALC-SH141 petal bayonet hood, supplied
In the box
In the box	Hood and lens case	ALC-SH141 hood, ALC-F82S front cap, ALC-R1EM rear cap and soft carrying case
Release detail
Release detail	Sony’s 1 February 2008 announcement specifies 15 February sale in Japan.	Sony Canada announcement dated 3 February 2016 specifies March availability; Sony Japan later confirms 28 April 2016. Main date retains earliest maker month; exact first global sale day unconfirmed. Two full independent reviews read: Photography Blog Mark Goldstein Alpha 7R II and Digital Camera World Matthew Richards, which does not state test camera. Differing35mm sharpness findings retained. Blog countsXA in addition to three asphericals, callsDDSSM linear and hoodround; maker three total includingXA, directdriveSSM and petalhood used. No inferred predecessor link