Sony DT 18-70mm F3.5-5.6 vs Sigma 17-70mm F2.8-4 DC MACRO OS HSM C Detailed Comparison

Sony DT 18-70mm F3.5-5.6 vs Sigma 17-70mm F2.8-4 DC MACRO OS HSM C

Lens to replace

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Sony DT 18-70mm F3.5-5.6

Standard Zoom | Sony Alpha

CHECK PRICE

BUY from B&H PHOTO

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Sigma 17-70mm F2.8-4 DC OS HSM C

Standard Zoom | Sony Alpha

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BUY from B&H PHOTO

Reasons to choose Sony DT 18-70mm F3.5-5.6 over Sigma 17-70mm F2.8-4 DC MACRO OS HSM C

Weight	235 g vs 465 g	230 g lighter
Diameter	66 mm vs 79 mm	13 mm smaller in diameter
Length	77 mm vs 82 mm	5 mm shorter
Filter Thread	55 mm vs 72 mm	Smaller filters are cheaper

Reasons to choose Sigma 17-70mm F2.8-4 DC MACRO OS HSM C over Sony DT 18-70mm F3.5-5.6

Focal Length - Wide	17mm vs 18mm	1mm wider coverage
Image Stabilization	Yes vs None	Sharper Images
Optical Zoom	4.10x vs 3.90x	more flexible coverage
Max Aperture - Wide	2.8 vs 3.5	faster lens at wide
Max Magnification	0.36x vs 0.25x	better close-up

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Sony DT 18-70mm F3.5-5.6 vs Sigma 17-70mm F2.8-4 DC OS HSM C Specs Table

Detailed comparison of specifications

General	Sony DT 18-70mm F3.5-5.6	Sigma 17-70mm F2.8-4 DC OS HSM C
Brand	Sony	Sigma
Lens Type	Zoom	Zoom
Price	CHECK PRICE	CHECK PRICE
Lens Type	Standard Zoom	Standard Zoom
Lens Mount	Sony Alpha	Sony Alpha
Max Format	APS-C / DX	APS-C / DX
Focal Range	18-70mm	17-70mm
Image Stabilization	No	Yes
Colour	Black	Unknown
Zoom Method	Rotary (extending)	Rotary (extending)
Power Zoom	-	-
Zoom Lock	-	-
Zoom Ratio	3.9X	4.1X
Aperture
Max Aperture	F3.5 - F5.6	F2.8 - F4.0
Min Aperture	F22.0 - F39.0	F22.0
Aperture Ring	No	No
Diaphragm Blades	7	7
Optics
Optical Elements	11	16
Optical Groups	9	14
Special Elements	1 aspherical and 1 ED glass element	2 FLD ("F" Low Dispersion) glass elements, 1 SLD (Special Low Dispersion) glass element, 3 aspherical glass lenses including double sided aspherical lens
Focusing
Min Focus Distance	0.38m	0.22m
Max Magnification	0.25X	0.36X
Autofocus	Yes	Yes
AF Motor Type	Screw drive from camera	Micro-type ultrasonic
Full Time Manual		No
Focus Method	Extending front	Internal
Distance Scale	No	Yes
DoF Scale	No	Unknown
Distance Scale	No	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	235g	465g
Diameter	66mm	79mm
Length	77mm	82mm
Materials	Unknown	Plastic barrel, metal mount
Weather Sealing	Unknown	Unknown
Filter Thread	55mm	72mm
Filter Notes	rotates on focus	Does not rotate on focusing
Hood Supplied	Yes	Yes
Hood Code	PH-RBA Petal type	LH780-03
Tripod Collar	No	No
Optional Accessories	-	-
	Report	Report

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