Sigma 105mm F2.8 DG DN Macro: Definitive Review | 4K

Build and Handling 03:05 | Stability Discussion 08:22 | Autofocus Performance 09:22 | Image Quality 13:42 | Summation 23:57 | Video sponsored by LensRacks. Visit http://store.lensracks.com/ and use code DUSTIN15 for 15% off | Read the Text Review: https://bit.ly/SIG105Mda | Visit the Image Gallery: https://bit.ly/SIG105Miq | Purchase the Sigma 105mm F2.8 DN Macro @ B&H Photo https://bhpho.to/2Gd2tGp | Amazon https://amzn.to/2GfUMz0 | Camera Canada  | Amazon Canada https://amzn.to/3jetgjP | Amazon UK https://amzn.to/3jhHQar | Amazon Germany https://amzn.to/2EJei6x | Ebay http://bit.ly/105DNMacro Sony a9 Camera @ B&H Photo https://bhpho.to/2HyWIyt | Amazon https://amzn.to/2B4NAjh | Camera Canada https://shrsl.com/2ikpx | Amazon Canada https://amzn.to/2peQkbn | Amazon UK https://amzn.to/2M7XPcY | Amazon Germany https://amzn.to/2VHbDOP | Ebay http://bit.ly/Sonyalpha9 Purchase the Sony a7RIV @ B&H Photo https://bhpho.to/2nUgnno | Amazon https://amzn.to/2oGpVD1 | Camera Canada https://shrsl.com/2imqe | Amazon Canada https://amzn.to/2mY8UDW | Amazon UK https://amzn.to/2n9GWF3 | Amazon Germany https://amzn.to/2nXhene | Ebay http://bit.ly/a7RIVda Want to support this channel? Use these affiliate links to shop at: B&H Photo: http://bhpho.to/1TA0Xge Ebay: http://bit.ly/DustineBay Make a donation via Paypal: paypal.me/dustinTWI Get a discount off all Skylum Editing Software (Luminar, Aurora HDR, AirMagic) by using code DUSTINHDR at checkout: http://bit.ly/LuminarDLA Become a Patron:   / dustinabbott   | Check me out on: Personal Website: http://dustinabbott.net/ | Sign up for my Newsletter: http://bit.ly/1RHvUNp | Instagram: http://bit.ly/DLAinsta | Google+: http://bit.ly/24PjMzv | Facebook: http://on.fb.me/1nuUUeH | Twitter: http://bit.ly/1RyYxIH | Flickr: http://bit.ly/1UcnC0B | 500px: http://bit.ly/1Sy2Ngu My filming setup: Sony a7R III: B&H Photo: https://bhpho.to/2D6ibNO, Camera Canada https://shrsl.com/2ikpr, or Amazon: http://amzn.to/2CNxOvH | or | Sony a9 @ B&H Photo: https://bhpho.to/2HyWIyt, Camera Canada https://shrsl.com/2ikpx, or Amazon: https://amzn.to/2s1vYE0 Tamron 28-75mm F2.8 RXD @B&H Photo: https://bhpho.to/2FA00la, Camera Canada https://shrsl.com/2ikq2, or Amazon https://amzn.to/2G2kaEr Lights: Rotolight AEOS @B&H Photo https://bhpho.to/2IK7mqV | Genaray Contender @B&H Photo: https://bhpho.to/33HbGNM | and Aputure AL-MW: https://bhpho.to/2N3MtZV DISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. As an Amazon Associate I earn from qualifying purchases. Keywords: Sony, Sigma, Sigma 105mm DN, Sigma 105 2.8, 105M, DN, Sigma 105mm F2.8 Review, Sigma 105mm F2.8 DN Review, Sigma 105 Macro Review, ART, 105mm, F2.8, 2.8, f/2.8, DN, DG, ART, Macro, Portrait, Review, Dustin Abbott, Autofocus, Sample Images, Video, Video Test, review, Video review, Real World, Tracking, Eye AF, Sony a7RIII, Sony a7RIV, Portrait, Sharpness, Resolution, Bokeh, Sony 90mm Macro