Although not small, Canon EF 300mm lens f/2.8 L IS USM is one of the smaller Canon super-telephoto lens – is much smaller and lighter than many of them. Magnesium alloys are used in the lens body produces 5.6 lb (2550 g) lens only full scale. F/2.8 IS 300 lens measures 5.0 “x 9.9″ (128.0mm x 252.0mm) without the included Canon ET-120 C) fibers (high strength / low weight, lens hood attached. If you have the awareness of consumers are accustomed to Canon, this lens is a bit until you get used to it (the image quality will help you use) very quickly. If you frequent the 400 f/2.8 L is used, this lens is small and light. Weight, hand in hand to 300 f/2.8 IS making tired after a long period of time – but obviously handholdable the average person. 

IS (Image Stabilization) makes a sudden get a picture when hand-holding, the Canon EF 300mm f/2.8 L IS USM significantly easier for subjects that are not moving quickly – or that can be fired in the IS mode 2 (panning mode). This allows 300: hands on the shutter speed 1 / 125 or less (2 stops) from the services. I am a big fan of Canon IS lenses – they leave me my picture is missed.

This version of the IS lens tripod-sensing. Canon EF 300mm f/2.8 L IS USM, knows that a tripod was used as the vibrations go below a certain level. To stand by, is to mount this lens on a tripod, take advantage of the secondary IS mode – reducing mirror slap, shutter and tripod vibrations.

When mounting the camera Canon EF 300mm f/2.8 L IS USM lens on a tripod, a strong tripod head and tripod is required. Better still, the lens on the body and Wimberley Sidekick or the full Wimberley gallows. Risk of damage to the lens by dropping can be significantly reduced through with dreadlocks type mounts. For sports photography and similar situations, a 300 f/2.8 monopod it very easy to handle for a long time. IS 300 is equipped with a removable rotating tripod collar, which I attached a Wimberley P30 Lens Plate for use on a tripod.

Canon EF 300mm f/2.8 L IS USM a better performance with the Canon Extender EF 1,4 x II and most 2x II Canon EF Extenderthan, if not all other Canon lenses. Add 1.4x creation 420mm f/4.0 IS lens – which is very good and the focal length of max aperture – and yes, it always works with extender installed yet.