Buy Sigma Accessories.
This fantastic lens has a focal length of 35mm which is generally referred to as ‘normal’ or ‘standard’. What this effectively means, is that on your DSLR it gives you the same angle of view as the human eye, so the images look natural, just like what you’d expect to see with your own eyes.
The Sigma 35mm lens is designed specifically for the full frame sensors found in high end digital SLR's but it also works with APS-C sized sensors found in most digital SLRs, so for those familiar with the old film cameras, this equates to what you’d expect to see through a 50mm lens.Full Details
Tips from the photographer