Sony Vario-Sonnar T* 24–70mm F2.8 ZA SSM vs Sony Vario-Sonnar T* DT 16–80mm F3.5–4.5 ZA

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Vario-Sonnar T* 24–70mm F2.8 ZA SSM compared with Vario-Sonnar T* DT 16–80mm F3.5–4.5 ZA

	SonyVario-Sonnar T* 24–70mm F2.8 ZA SSM	SonyVario-Sonnar T* DT 16–80mm F3.5–4.5 ZA
Overview
Released
Released	February 2008	March 2007
Optics
Lens type
Lens type	Zoom	Zoom
Focal length
Focal length	24–70 mm	16–80 mm
Maximum aperture
Maximum aperture	f/2.8	f/3.5–4.5
Minimum aperture
Minimum aperture	f/22	f/22–29
Optical construction
Optical construction	17 elements in 13 groups	14 elements in ten groups
Special elements
Special elements	Two aspherical elements and two ED elements	Two glass-moulded aspherical elements
Coatings
Coatings	Zeiss T* coating	Zeiss T* coating
Diaphragm
Diaphragm	Nine rounded blades	Seven rounded blades
Angle of view
Angle of view	84°–34° full-frame; 61°–23° APS-C	83°–20° on APS-C
Mount and compatibility
Mounts
Mounts	Sony A	Sony A
Image circle
Image circle	Full frame	APS-C
Image circle detail
Image circle detail	Full-frame A-mount coverage; 36–105 mm equivalent field of view on APS-C	APS-C-only A-mount coverage; 24–120 mm equivalent field of view
Teleconverter support
Teleconverter support	Sony 1.4× and 2× teleconverters unsupported	Sony 1.4× and 2× teleconverters unsupported
Focus and stabilisation
Autofocus
Autofocus	Yes	Yes
Minimum focus distance
Minimum focus distance	0.34 m	0.35 m
Maximum magnification
Maximum magnification	0.25×	0.24×
Autofocus detail
Autofocus detail	In-lens Super Sonic wave Motor (SSM)	Camera-body screw-drive autofocus (Cameralabs and OpticalLimits); automatic clutch prevents focus-ring rotation during autofocus
Focus distance detail
Focus distance detail	0.34 m minimum focus; distance scale and internal focusing	0.35 m minimum focus from the sensor plane; distance window. Internal focusing keeps front element stationary (Cameralabs)
Design
Filter diameter
Filter diameter	77 mm	62 mm
Maximum diameter
Maximum diameter	83 mm	72 mm
Length
Length	111 mm	83 mm
Weight
Weight	955 g	445 g (better)
Controls
Controls	Focus-mode switch and focus-hold button	–
Zoom design
Zoom design	Extending zoom barrel; front element does not rotate during zooming or focusing (OpticalLimits)	Extending zoom barrel
Dimensions detail
Dimensions detail	–	Approximately 72 × 83 mm in the maker operating instructions
Weight detail
Weight detail	–	Approximately 445 g in the maker operating instructions
Lens hood
Lens hood	Petal-shaped bayonet hood	Petal-shaped bayonet hood
In the box
In the box	Hood and lens case	Lens, front and rear caps, hood, lens case and printed documentation
Release detail
Release detail	Sony’s 1 February 2008 announcement specifies 15 February sale in Japan.	Sony’s 23 February 2007 notice confirms Japanese sale from 23 March 2007 following the earlier March release plan; local dealer arrival could vary.