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A fast lens will take a parallel beam of light and focus it in a relatively short distance. For example a 1 centimetre diameter lens that focusses the light to a spot 2 centimeters after the lens is quite fast. It has a short focal length, only two times longer than the diameter of the lens. We say it is an f/2 lens. Very few fast lenses are faster than f/1. It is dificult to design fast lenses that have good image blurring, high light transmission and low image distortion. Good ones are expensive. A long focal length lens for example that focusses a parallel beam to a spot at a distance 20 times its diameter after the lens would becalled a slow lens.
What else can I help you with?
What do you need for wildlife photography?
Fast, telephoto lens
What is the best Canon sports lens for capturing fast-paced action and achieving high-quality images?
The best Canon sports lens for capturing fast-paced action and achieving high-quality images is the Canon EF 70-200mm f/2.8L IS III USM lens.
What is the best Canon lens for capturing action shots?
The best Canon lens for capturing action shots is the Canon EF 70-200mm f/2.8L IS II USM. This lens offers a versatile zoom range and fast aperture, allowing you to capture fast-moving subjects with sharpness and clarity.
Which Kodak SLR lens is best for fast action?
The Kodak DCS 720x Pro SLR is great for fast action shots.
What sort of lens do I need if I want to make videos of birds in my gardenDo I have to spend a lot of money on a telephoto lens?
A fast lens for bird flight would be a good buy. Look at cannon models for best offers.
Would Oakley fast jacket XL replacement lens fit on oakley commiy sq?
no
What are the best features of the Samsung NX prime lens?
The Samsung NX prime lens is known for its sharp image quality, fast aperture for low light shooting, and compact size for portability.
What element is used in high speed photography?
High shutter speed and fast lens/Big open aperture.
What is the best Canon camera lens for capturing sports photography?
The best Canon camera lens for capturing sports photography is the Canon EF 70-200mm f/2.8L IS II USM lens. This lens offers a versatile zoom range, fast aperture for capturing action shots, and image stabilization for sharp images.
What are the best features to consider when choosing a new camera lens for photography with a focus on the lens craze in the market?
When choosing a new camera lens for photography, consider features like focal length, aperture, image stabilization, and lens compatibility with your camera. In the current lens market, popular trends include fast prime lenses, versatile zoom lenses, and lenses with advanced autofocus technology.
What is the best Canon lens for sports photography?
The best Canon lens for sports photography is the Canon EF 70-200mm f/2.8L IS II USM. This lens offers a versatile zoom range, fast aperture for capturing action shots, and image stabilization for sharp images.
What type of lens is good for low light situations?
Typically a "fast" lens with a maximum aperture of f2.8 or better (1.8). But if you have time for a longer exposure or can accept the grain/noise of higher film speeds, the lens you have can do the job. of course if you want to kibbitz there are the magical and mythical 1.0 lenses too
