What is the difference between a 70-200mm lens and a 70-300mm lens?

The larger f/2.8 aperture on the 70-200mm f/2.8L IS II USM requires significantly larger lens elements. As well, notice that it’s f/2.8 throughout its range, whereas the 70-300mm f/4-5.6 IS USM is only f/4 at the wide end of its range, and goes down to f/5.6 at the long end.

Is the Canon 70 200 f4 full frame?

Canon 70-200mm f/4 IS at 135mm, full frame 5D.

What is the best focal length for portrait photography?

Although most lenses can be used for portraiture, fast telephoto lenses with moderately short focal lengths have long been the first choice of professional portrait photographers. Focal lengths typically considered ideal range from about 70mm to 135mm in 35mm format, with a bias in favour of the 85-105mm section.

What is the difference between Canon EF 300mm and EF 300 f/4?

The Canon EF 300mm f/4.0L IS USM Lens has a 1 stop aperture advantage, less distortion and slightly better image quality at f/5.6. This comparison is of course at 300mm only. The 300 f/4 accepts extenders for optional 420 and 600mm focal lengths, but the 70-299mm range is noticeably absent.

Is the Canon EF 70-200mm a good lens?

The Canon EF 70-200mm f/4.0L IS USM Lens is one of the most impressive zoom lenses available. It is sharper than the 70-300 L wide open and has a max aperture advantage in the long end of the shared focal length range.

Is the canon 70-300 L better than the EF 100-400mm?

The Canon EF 100-400mm f/4.5-5.6L IS USM Lens is a favorite of many, but at 12 years old upon the release of the 70-300 L, it shows its age in comparison. The 70-300 L has better image quality including better contrast/sharpness in most or all equivalent comparisons.

Is a 300mm lens good for parfocal photography?

However, focusing at 300mm gives very sharp results at all marked focal lengths except 100mm (and 70mm is slightly soft). So Canon is correct, but this lens is at least partially usable as a parfocal lens.