Sony DT 35mm F1.8 SAM vs Sony DT 50mm F1.8 SAM

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DT 35mm F1.8 SAM compared with DT 50mm F1.8 SAM

	SonyDT 35mm F1.8 SAM	SonyDT 50mm F1.8 SAM
Overview
Released
Released	October 2010	June 2009
Optics
Lens type
Lens type	Prime	Prime
Focal length
Focal length	35 mm	50 mm
Maximum aperture
Maximum aperture	f/1.8	f/1.8
Minimum aperture
Minimum aperture	f/22	f/22
Optical construction
Optical construction	Six elements in five groups	Six elements in five groups
Diaphragm
Diaphragm	Seven blades; circular aperture (Photo Review)	Seven blades; circular aperture
Angle of view
Angle of view	44° on APS-C	32° on APS-C
Mount and compatibility
Mounts
Mounts	Sony A	Sony A
Image circle
Image circle	APS-C	APS-C
Image circle detail
Image circle detail	Designed for APS-C A-mount cameras; 52.5 mm equivalent field of view	Designed for APS-C A-mount cameras; 75 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	0.23 m	0.34 m
Maximum magnification
Maximum magnification	0.25×	0.2×
Autofocus detail
Autofocus detail	Built-in SAM (Smooth Autofocus Motor)	Built-in SAM (Smooth Autofocus Motor); direct manual focusing unsupported (OpticalLimits)
Focus distance detail
Focus distance detail	0.23 m minimum focus; focus ring rotates during autofocus (Photo Review)	Focus ring rotates during autofocus and the inner barrel extends when focusing (OpticalLimits)
Magnification detail
Magnification detail	0.25× maximum reproduction ratio	0.20× maximum reproduction ratio
Stabilisation detail
Stabilisation detail	Sony describes use with A-mount camera-body stabilisation	Sony describes use with A-mount camera-body stabilisation
Design
Filter diameter
Filter diameter	55 mm	49 mm
Maximum diameter
Maximum diameter	70 mm	70 mm
Length
Length	52 mm	45 mm
Weight
Weight	170 g	170 g
Controls
Controls	AF/MF switch (Photo Review)	AF/MF switch (Photo Review)
Filter detail
Filter detail	55 mm non-rotating filter thread (Photo Review)	49 mm non-rotating filter thread (OpticalLimits)
Dimensions detail
Dimensions detail	70 mm maximum diameter × 52 mm length	70 mm maximum diameter × 45 mm length
Weight detail
Weight detail	Approximately 170 g, maker lens weight	Approximately 170 g, maker lens weight
Lens hood
Lens hood	Bayonet hood supplied; cylindrical type (Photo Review)	No lens hood supplied
In the box
In the box	Lens hood; front and rear caps and instruction leaflets (Photo Review)	–
Release detail
Release detail	Sony’s Japanese and US announcements specify October 2010 sale; the actual-read maker announcements give no exact first-sale day.	Sony specifies 25 June 2009 availability in Japan; its US announcement describes July availability.