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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

Sigma 105mm F2.8 EX DG Macro

BUY from B&H PHOTO
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Pentax D-FA 100mm F2.8 Macro WR

Macro Prime | Pentax KAF

Sigma 105mm F2.8 EX DG Macro

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 - -
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