Is the Sigma APO 500mm a full frame lens?

This Sigma APO 500mm F4.5 EX DG is a large aperture telephoto lens designed for full-frame and APS-C digital SLRs. Two ELD (Extraordinary Low Dispersion) glass elements provide optimum color correction and sharpness throughout the entire zoom range and a new multi-layer lens coating technology and lens design formula reduce flare and ghosting.

Is the Sigma 500mm F4 5 autofocus?

This Sigma 500mm f/4. 5 EX DG APO Autofocus Lens for Sony/Minolta A Mount lens is an Apochromatic ultra-telephoto lens for Sony or Minolta cameras with an A-mount. It has a fast f/4. 5 maximum aperture, and it incorporates two ELD (Extraordinary Low Dispersion) glass elements to reduce chromatic aberration to a minimum.

Is the canon 500mm Sigma worth it?

The 500mm sigma offers few compromises yet offers excellent value for money and supurb performance. Perhaps not quite as sharp as my previous 300mm f2.8 but it is sharper than the 300 + 1.4x tc. AF is swift and sure, plus the lens nails the focus, none of the slight front focus my 300mm had.

How to use the Sigma APO 700mm as a telephoto lens?

By adding the optional Sigma APO tele converter, you can use this lens as a 700mm f/6. 3 MF ultra-telephoto lens with a 1. 4x EX tele converter, or as a 1000mm f/9 MF ultra-telephoto lens with a 2x tele converter. EX lens series denotes excellence of engineering and new technology.

What lenses are compatible with the Sigma APO tele converters?

Rear insertion 46mm filters with provision for easy rotation of polarizing filters, and this lens is also compatible with the Sigma APO Tele Converters to provide additional reach, creating an effective 700mm F8 or 1000mm F11 lens.

What makes the Sigma ultra-telephoto lens so special?

(From Sigma lens literature) This ultra-telephoto lens has a fast maximum aperture, and also features a new super multi-layer coating, which optimizes the characteristics of digital SLR cameras. Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast.