Your experience is needed, please: Do you use the 2x extender III on the 600mm 4.0 IS II lens? How does the 2x extender affect the image quality. I like to shoot small birds, that are often far away. For this, I recently use the 1.4x extender and the 7DII. But often, the cropped picture is to small in my opinion.
The aperture of the 100-300mm f2.8 with a 2x tele is not THAT much bigger than the aperture of say a sigma 150-600mm at 600 f6.3 (still, the Canon here is a good 27% bigger) but it's also capable of going to 100mm, not just 150mm, which can really help and at nearly 2 stops faster on the "wide" end. The M6 II has an improved AF system that makes light work with extenders on the 100-400mmL II lens. I sometimes use this combination on the EOS M6 (Mk1) and get great shots using the same lens combined with the EF 1.4x III Extender.. EOS M6 + EF 100-400mmL II + EF 2x III Extender. EOS M6 + EF 100-400mmL II + EF 1.4x III = 560mm (901mm equiv) The Canon 1.4x III Extender will not work on the Sigma 150-600 C or the Sigma 150-600 S The Canon 1.4x II will work on both C and S version and of course the Sigma TC-1401 1.4x. If you use the Canon 1.4x II Extender you might experience Major back focusing and slow focusing you need the best of light because you are at F9. 120-300mm F2.8 DG OS HSM | S. $3,599. Learn More. The SIGMA TC-2001 magnifies the focal length of compatible lenses by 2x for extended telephoto reach.
800.606.6969. Creative Lens Effects That Add to Your Story. Double Exposure Attachment Filter lets you capture two parallel subjects in one double exposure. It includes an aluminum alloy filter ring that can mount onto a lens with a 52mm front thread. Occupying half of the area within the filter ring is an opaque cover.
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canon extender ef 2x iii sigma 150 600