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$599.00

Sigma 105mm f/2.8 EX DG MACRO

see the whole gallery in large	Full frame sized image Lenses that create APS-C sized image are designed for digital only. They cannot be used on cameras that have image sensor larger than the APS-C format. These lenses are not suitable for film cameras either. No Ultrasonic AF Lenses with ultrasonic focusing mechanism tend to be quiter and faster than traditionally focusing lenses. No stepping motor AF Lenses with stepping motor focusing mechanism are better for contrast based focusing, and are quiter and faster than traditionally focusing lenses. No Low Dispersion lens element is used Low Dispersion lens elements help to reduce chromatic aberration. Not stabilized Image stabilization helps to reduce blur caused by hand shake, especially at high focal length or in low light situations. Image stabilization can give 1 to 3 stop advantage over none stabilized lens, based on the reciprocal rule. Metal mount Cheaper lenses are usually equipped with plastic mount, while more expensive, professional lenses have metal mount. In general, metal mounts are more durable, and a good thing to have when lenses are changed a lot. When a camera is used mainly with one lens, the material of the lens mount is not that important. No Internal Focusing Internally focusing lenses don't change their size while setting focus. The front lens is fixed The fixed front lens is not rotating during zoom and/or focusing. This allows the photographer to use petal shaped lens hood. Fixed front lenses also make the use of polarization filters a lot easier. No drop-in filter support Drop-in filters are used in those lenses where either the front lens is too large, or the field of view doesn't permit the use of traditional filters at the front of the lens. Usually bright tele and ultra-wide angle lenses support this filter type.
A medium telephoto macro lens with high image quality. The performance is especially suitable for digital singe-lens reflex cameras. The primary caues for ghosts and flares are eliminated by the lens power arrangement, lens construciton and application of leading-edge coating technology of this lens. As a screw-type hood is used, circular polarizing filters can be used easily. An aperture of F45 for a large depth of field is also provided (F32 for Nikon and Pentax).

see the whole gallery in large

A medium telephoto macro lens with high image quality. The performance is especially suitable for digital singe-lens reflex cameras. The primary caues for ghosts and flares are eliminated by the lens power arrangement, lens construciton and application of leading-edge coating technology of this lens. As a screw-type hood is used, circular polarizing filters can be used easily. An aperture of F45 for a large depth of field is also provided (F32 for Nikon and Pentax).

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Sigma 105mm f/2.8 EX DG MACRO Specification

Sigma 105mm f/2.8 EX DG MACRO Specification
Available mount(s)	Canon EF, Nikon F, Pentax K, Sony / Minolta A, FourThirds, Sigma
Application(s)	Portrait, Closeup
Category(s)	Telephoto prime, Macro
Multiplier	1×
Stabilizer	no
Focal length	105 mm (prime)
Lens construction	11 elements in 10 groups
Angle of view	35mm: 23.3° digital: 13.5°
Number of blades	8
Maximum aperture	f/2.8
Minimum aperture	f/45
Minimum focusing distance	31.3 cm
Magnification	1×
Filter size	58 mm
Size	∅ 74 × 97.5 mm
Weight	460 g
Notes
AF speed	1.6 sec. (from close up to infinity)
AF sound
Internal focusing	no
Internal zoom	N/A
Fix front lens	yes
Mount type	metal
Weather sealed	N/A
Drop in filter	no
Ultrasonic AF	no
Stepping motor AF	no
APS-C sized circle	no
Low dispersion lens element	no
Hard case	N/A
Soft case	N/A
Lens hood	LH825-04 (not included) printable lens hood
Tripod adapter	N/A
Discontinued	yes