Sigma 105mm F2.8 EX DG Macro vs Pentax smc D-FA 100mm F2.8 Macro WR Detailed Comparison

Sigma 105mm F2.8 EX DG Macro vs Pentax smc D-FA 100mm F2.8 Macro WR

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Sigma 105mm F2.8 EX DG Macro

Macro Prime | Pentax KAF

BUY from B&H PHOTO

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Pentax D-FA 100mm F2.8 Macro WR

Macro Prime | Pentax KAF

BUY from B&H PHOTO

Reasons to choose Sigma 105mm F2.8 EX DG Macro over Pentax smc D-FA 100mm F2.8 Macro WR

Focal Length - Tele	105mm vs 100mm	5mm more tele coverage

Reasons to choose Pentax smc D-FA 100mm F2.8 Macro WR over Sigma 105mm F2.8 EX DG Macro

Price	$0 vs $358	Cheaper by $358
Focal Length - Wide	100mm vs 105mm	5mm wider coverage
Weight	340 g vs 460 g	120 g lighter
Diameter	65 mm vs 74 mm	9 mm smaller in diameter
Length	81 mm vs 98 mm	17 mm shorter
Filter Thread	49 mm vs 58 mm	Smaller filters are cheaper
Weather Sealing	Yes vs None	weather sealed

Sigma 105mm F2.8 EX DG Macro vs Pentax D-FA 100mm F2.8 Macro WR Specs Table

Detailed comparison of specifications

General	Sigma 105mm F2.8 EX DG Macro	Pentax D-FA 100mm F2.8 Macro WR
Brand	Sigma	Pentax
Lens Type	Prime	Prime
Price	$357.85	$0.00
Lens Type	Macro Prime	Macro Prime
Lens Mount	Pentax KAF	Pentax KAF
Max Format	35mm FF	35mm FF
Focal Range	105mm	100mm
Image Stabilization	No	No
Colour	Unknown
Zoom Method	No Zoom	No Zoom
Power Zoom	No	No
Zoom Lock	No	No
Zoom Ratio	1.0X	1.0X
Aperture
Max Aperture	F2.8	F2.8
Min Aperture		F32.0
Aperture Ring	No	No
Diaphragm Blades	8	8
Optics
Optical Elements	11	9
Optical Groups	10	8
Special Elements	unknown	unknown
Focusing
Min Focus Distance	0.31m	0.3m
Max Magnification	1X	1X
Autofocus	Yes	Yes
AF Motor Type	Micromotor	Screw drive from camera
Full Time Manual	No	Yes
Focus Method	Extending front	Extending front
Distance Scale	Yes	Unknown
DoF Scale	Yes	Yes
Distance Scale	Yes	Unknown
Focus Distance Limiter	yes (0.4m)	Unknown
Physical Specs
Weight	460g	340g
Diameter	74mm	65mm
Length	98mm	81mm
Materials	Unknown	Unknown
Weather Sealing	No	Yes
Filter Thread	58mm	49mm
Filter Notes	Does not rotate on focusing	-
Hood Supplied	Yes	Yes
Hood Code	Unknown	Unknown
Tripod Collar	No	No
Optional Accessories	-	-
	Report	Report

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