Pentax FA 70-210mm F4 ED SDM WR vs Sigma 70-200mm F2.8 EX DG OS HSM Detailed Comparison

Pentax FA 70-210mm F4 ED SDM WR vs Sigma 70-200mm F2.8 EX DG OS HSM

Lens to replace

Change

Telephoto Zoom | Pentax KAF4

Change

Telephoto Zoom | Pentax KAF3

Reasons to choose Pentax FA 70-210mm F4 ED SDM WR over Sigma 70-200mm F2.8 EX DG OS HSM

Reasons to choose Sigma 70-200mm F2.8 EX DG OS HSM over Pentax FA 70-210mm F4 ED SDM WR

Price	$640 vs $1,097	Cheaper by $457
Max Aperture - Wide	2.8 vs 4	faster lens at wide

Pentax FA 70-210mm F4 ED SDM WR vs Sigma 70-200mm F2.8 EX DG OS HSM Specs Table

Detailed comparison of specifications

General	Pentax FA 70-210mm F4 ED SDM WR	Sigma 70-200mm F2.8 EX DG OS HSM
Brand	Pentax	Sigma
Lens Type	Zoom	Zoom
Price	$1,096.95	$639.99
Lens Type	Telephoto Zoom	Telephoto Zoom
Lens Mount	Pentax KAF4	Pentax KAF3
Max Format	APS-C / DX	35mm FF
Focal Range	70-210mm	70-200mm
Image Stabilization		Yes
Colour	Black	Black
Zoom Method	Rotary (extending)	Rotary (internal)
Power Zoom	No	-
Zoom Lock	-	No
Zoom Ratio	3.0X	2.9X
Aperture
Max Aperture	F4	F2.8
Min Aperture	F32	F22.0
Aperture Ring	No	No
Diaphragm Blades	9	9
Optics
Optical Elements	20	22
Optical Groups	14	17
Special Elements	2 anomalous dispersion and 3 ED elements + HD coating	2 FLD elements 3 SLD elements
Focusing
Min Focus Distance	0.95m	1.4m
Max Magnification	0.32X	0.13X
Autofocus	Yes	Yes
AF Motor Type	Ring-type ultrasonic	Ring-type ultrasonic
Full Time Manual	Yes	Yes
Focus Method	Internal	Internal
Distance Scale	Yes	Yes
DoF Scale	No	Yes
Distance Scale	Yes	Yes
Focus Distance Limiter	Yes	No
Physical Specs
Weight	819g	1430g
Diameter	79mm	86mm
Length	175mm	197mm
Materials	Magnesium alloy	metal mount
Weather Sealing	Yes	No
Filter Thread	67mm	77mm
Filter Notes	-	does not rotate on focus
Hood Supplied	Yes	Yes
Hood Code	Unknown	Unknown
Tripod Collar	No	Yes
Optional Accessories	-	-
	Report	Report