Sony Sonnar T* 135mm F1.8 ZA vs Sony 50mm F1.4

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Sonnar T* 135mm F1.8 ZA compared with 50mm F1.4

	SonySonnar T* 135mm F1.8 ZA	Sony50mm F1.4
Overview
Released
Released	October 2006	July 2006
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	135 mm	50 mm
Maximum aperture
Maximum aperture	f/1.8	f/1.4
Minimum aperture
Minimum aperture	f/22	f/22
Optical construction
Optical construction	Eleven elements in eight groups	Seven elements in six groups
Special elements
Special elements	Two ED elements	–
Coatings
Coatings	Zeiss T* coating	–
Diaphragm
Diaphragm	Nine rounded blades	Seven rounded blades
Angle of view
Angle of view	18° full-frame; 12° APS-C	47° full-frame; 32° APS-C
Mount and compatibility
Mounts
Mounts	Sony A	Sony A
Image circle
Image circle	Full frame	Full frame
Image circle detail
Image circle detail	Full-frame A-mount coverage; 202.5 mm equivalent field of view on APS-C	Full-frame A-mount coverage; 75 mm equivalent field of view on APS-C
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	0.72 m	0.45 m
Maximum magnification
Maximum magnification	0.25×	0.15×
Optical stabilisation
Optical stabilisation	–	No
Autofocus detail
Autofocus detail	Camera-body screw-drive autofocus (OpticalLimits and Phillip Reeve); no in-lens SSM motor	Camera-body screw-drive autofocus (DPReview and OpticalLimits); no in-lens SSM motor
Focus distance detail
Focus distance detail	Internal focusing; 0.72 m minimum focus	0.45 m minimum focus; distance and depth-of-field scales. Whole optical assembly extends during focusing (DPReview)
Magnification detail
Magnification detail	0.25× maximum magnification	–
Stabilisation detail
Stabilisation detail	Sony describes stabilisation supplied by compatible Alpha camera bodies	No lens optical stabilisation (DPReview); maker notes compatible Alpha bodies provide in-body stabilisation
Design
Filter diameter
Filter diameter	77 mm	55 mm
Maximum diameter
Maximum diameter	88 mm	65.5 mm
Length
Length	114.5 mm	43 mm
Weight
Weight	995 g	220 g (better)
Controls
Controls	Focus-hold button; auto-clutch focus ring does not rotate during autofocus	–
Filter detail
Filter detail	77 mm filter thread	55 mm front filter thread
Weather resistance
Weather resistance	No dust/moisture sealing (OpticalLimits and Phillip Reeve)	–
Dimensions detail
Dimensions detail	88 mm maximum diameter × 114.5 mm length	–
Weight detail
Weight detail	Approximately 995 g, maker lens weight	–
Lens hood
Lens hood	Bayonet hood supplied	Bayonet hood supplied; SH0011 identification in DPReview
In the box
In the box	Hood and lens case	Lens hood; DPReview lists front and rear caps, with regional accessory differences possible
Release detail
Release detail	Sony’s 6 June 2006 Alpha lens announcement, revised 12 July, states October sale in Japan; no exact day is specified.	Sony 6 June 2006 Alpha lens announcement, revised 12 July, specifies 21 July sale in Japan. Sony archive labels production completed; no current-range claim.