This is an interesting compact lens for digital SLR cameras like Canon, Nikon and so on.   Which covers an average wide angle to 300mm telephoto, which is good for capturing wild life related images.

Sigma 28-300mm is what Sigma called "do-everything" lens.   With a zoom ratio of nearly 11x it covers everything from wide angle on a full frame sensor to long telephoto on a cropped sensor.

Autofocus, in this more budget placed lens, lacks the refinement of a sonic motor and although the motor can be heard, the noise is not obtrusive and the action is quite quick.

The 28-300mm F3.5-6.3 DG MACRO lens has a minimum focusing distance of 50cm at all focal lengths and is equipped with a macro mechanism for close-up photography at 300mm telephoto, allowing a reproduction ratio of 1:3.

Similar to the Sigma 70-300mm DG Macro and the only difference is the wide angle range, plus the physical barrel length and size, filter size.

Generally, i would recommend this Sigma 28-300mm DG Macro lens as it does offer a great deal of range & is ideal for daytime outdoor photography related activities or anywhere there's a significant source of light to work with.

Sigma 18-125mm DC OS HSM
set @ 1/25 sec, f/4, ISO 1600, focal length is 25mm

• Focal length 28-300mm
• Construction 15/13 elements/groups
• Max aperture f/3.5-6.3
• Min aperture f/22
• Angle of view 75.4-8.2°
• Minimum focusing distance is 50 cm/0.5 meter/19.7 inches
• Repro Ratio 1:3
• Filter 62mm
• Dimensions 74x86mm
• Weight 0.49kg

	Sigma 28-300mm ASP IF DG Macro This is an outdoor lens, works great with good lighting conditions artificial or not. Some how, the more light you have, the probability to improve the image quality is increase as well.
Sigma 28-300mm DG Macro set @ 1/25 sec, f/4, ISO 1600, focal length is 28mm