Sigma 28-105mm F2.8-4 DG

mount: A-mount
prod. code: data needed
EAN/UPC: data needed
makernote ID: data needed
format: Full frame
release year: 2005
status: Discontinued
specification
D type lens: No
SLT compatible: Read this!
AF Drive: In Body
focus design: internal
stabilisation: No
weather sealing: No
AF-D (a99 only): No
max. aperture: 2.8-4
min. aperture: 22-32
focal range(mm): 28-105
elements/group: 12/11
angle of view: 75,3 - 23,2
aperture blades: 8
min. focus distance(mm): 500
filter rotate focusing: No
filter rotate zooming: No
max. magnification: 0.18x (1/5.6)
filter diameter(mm): 72
hood: petal-type
color: black
length(mm): 79.5 - 114,5
weight(g): 405
standard accessories: data needed

user review ratings
overall: 4.10
sharpness: 4.50
color: 5.00
build: 4.00
distortion: 3.00
flare control: 4.00
total: 1 reviews

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Sigma 28-105mm F2.8-4 DG image 1

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manufacturer description

A large aperture standard zoom lens that covers from wide-angle to telephoto and ideal for digital SLR cameras.

This standard zoom lens covers frequently used focal lengths from 28mm to 105mm and allows a large aperture of F2.8 at the 28mm focal length. It is very convenient for a wide range of applications including snap shots, indoor photography. The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras. An ideal lens for Digital SLR Cameras as well as 35mm Film SLR Cameras.

Flare and Ghosting

The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras, and also creates an optimum color balance throughout the entire zoom range. This large aperture standard zoom lens provides superior performance both for Digital SLR Cameras and 35mm Film SLR Cameras.

A large aperture of F2.8 at the 28mm focal length

This standard zoom lens allows a large aperture of F2.8 at the 28mm focal length. It is very convenient for a wide range of applications including snap shots, indoor photography and photography with faster shutter speed.

Aspherical Lens

The use of aspherical lens reduces various aberrations throughout the entire zoom range and improves optical performance. It also allows a large aperture of F2.8 in a compact body.

Minimum focusing distance of 50cm (19.7 inches)

This lens has minimum focusing distance of 50cm (19.7 inches) throughout the entire zoom range and it has also maximum magnification of 1:5.5.

Inner Focusing

Because the front of the lens does not rotate, circular polarizing filters and a petal-type hood can easily be used. An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the petal-type lens hood supplied and also circular polarizing filters.

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