Sony DT 30mm F2.8 Macro SAM vs Sony E 30mm F3.5 Macro

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DT 30mm F2.8 Macro SAM compared with E 30mm F3.5 Macro

	SonyDT 30mm F2.8 Macro SAM	SonyE 30mm F3.5 Macro
Overview
Released
Released	October 2009	September 2011
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	30 mm	30 mm
Maximum aperture
Maximum aperture	f/2.8	f/3.5
Minimum aperture
Minimum aperture	f/22	f/22
Macro lens
Macro lens	Yes	Yes
Optical construction
Optical construction	Six elements in five groups	Seven elements in six groups
Special elements
Special elements	–	One ED glass element and three aspherical elements
Diaphragm
Diaphragm	Seven blades; circular aperture	Seven rounded blades
Angle of view
Angle of view	50° on APS-C	50° APS-C
Mount and compatibility
Mounts
Mounts	Sony A	Sony E
Image circle
Image circle	APS-C	APS-C
Image circle detail
Image circle detail	APS-C A-mount coverage; 45 mm equivalent field of view; Sony excludes film SLR use	APS-C coverage; 45 mm equivalent field of view
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	0.129 m	0.095 m
Maximum magnification
Maximum magnification	1×	1×
Optical stabilisation
Optical stabilisation	–	No
Autofocus detail
Autofocus detail	Built-in SAM (Smooth Autofocus Motor); autofocus available from infinity to life-size reproduction	Internal autofocus motor; maker does not identify a specific motor technology
Focus distance detail
Focus distance detail	0.129 m minimum focus measured from the sensor plane; approximately 2 cm working distance from the lens front at closest focus	9.5 cm minimum focus measured from the image sensor; approximately 2.4 cm from the front of the lens at closest focus
Magnification detail
Magnification detail	1.0× maximum reproduction ratio	1.0× life-size maximum magnification
Stabilisation detail
Stabilisation detail	–	No optical stabilisation
Design
Filter diameter
Filter diameter	49 mm	49 mm
Maximum diameter
Maximum diameter	70 mm	62 mm
Length
Length	45 mm	55.5 mm
Weight
Weight	150 g	138 g (better)
Controls
Controls	AF/MF switch; focus ring rotates during autofocus (What Digital Camera)	Manual-focus ring; focus mode selected on the camera; aluminium-alloy exterior
Dimensions detail
Dimensions detail	70 mm maximum diameter × 45 mm length	62 mm maximum diameter × 55.5 mm length
Weight detail
Weight detail	Approximately 150 g, maker lens weight	Approximately 138 g lens; separate hood and caps excluded
Lens hood
Lens hood	No lens hood specified	ALC-SH113 cap-type hood, supplied
In the box
In the box	–	ALC-SH113 hood, front cap and rear cap; no case listed
Release detail
Release detail	Sony specifies October 2009 availability in Hong Kong and 22 October 2009 sale in Japan.	Sony Japan announced this exact lens on 8 June 2011 for September 2011 availability. Main release retains the maker’s month precision; exact global first day is not established. Two independently authored full reviews read: Sony Alpha Lab Jay on NEX-7 (2012) and Sony Alpha Blog Marc Alhadeff on Alpha 6000 (2018). Lab’s corner test acknowledges imperfect subject-plane alignment; its general-purpose/value recommendation is more positive than Blog’s. Maker length 55.5 mm supersedes Blog’s inconsistent 62/65 mm figures. No unpublished weather-resistance or coating claim added