A good supertelephoto lens is often quite expensive, but thankfully, in the last few years, we have seen a large influx of third-party options that offer long reach at significantly more affordable prices. This excellent video takes a look at one such lens, the Sigma 100-400mm f/5-6.3 DG DN OS Contemporary.

Coming to you from Stefano Ianiro Wildlife, this great video review takes a look at the Sigma 100-400mm f/5-6.3 DG DN OS Contemporary lens. The 100-400mm f/5-6.3 comes with a wide variety of features, including: 

• One F Low Dispersion (FLD) element and four Special Low Dispersion (SLD) elements for reduced chromatic aberrations and increased clarity
• Optical image stabilization with up to four stops of compensation
• Integrated stepping motor for quiet autofocus 
• AFL button with function customization
• Rounded 9-blade diaphragm for smoother bokeh 
• 0.24x maimum magnification
• Brass bayonet with rubber sealing for dust- and splash-resistance

Altogether, if you are looking for a relatively lightweight and portable supertelephoto zoom that will not break the bank, the 100-400mm f/5-6.3 looks to be a very viable option for a variety of applications. Check out the video above for Ianiro’s full thoughts.