The lens is an optical system that passes light through itself into the apparatus, transmitting information about the subject. The clarity of the resulting image, the quality of the transmitted colors and shades will depend on the correct choice of the lens . For beginners, choosing such a device, it should be remembered that the larger and wider the lens of the camera, the higher the probability of making a high-quality picture.
The article is devoted to a brief overview of the optical systems of the Canon brand. This company is one of the leaders in the production of photographic equipment. We will consider the line of the most popular optical systems with a focal length of 50 mm for Canon cameras among amateur photographers. These devices are most often used as portrait lenses.
To date, users are offered four "fifty dollars" with the following technical characteristics: aperture or aperture - ฦ / 2.5, ฦ / 1.8, ฦ / 1.4 and ฦ / 1.2. The first lens introduced for Canon with aperture of 2.5 is a rather specific device - this is a special macro lens. It stands out from the general series and has a rather narrow application, so we mentioned it in passing and will not dwell on it anymore.
Consider the most affordable lens for the Canon EF50 mm ฦ / 1.8II. This device was released in 1991. It is characterized by average quality and, most importantly, low price. Due to these parameters, it is very popular among photographers. Even many beginner amateur photographers can see these Canon lenses. Prices for such a device vary within 3000 rubles.
The described optical system replaced the first version of the "fifty dollars" of the CanonEF system. These devices differ solely in design, their optics are completely identical. The lens case is made of plastic, even the mount of the lens mount is made of plastic. For comparison, the first option was available in a metal case.
The second lens in question for Canon is the EF50 mm ฦ / 1.4USM. It is considered the average in the line of "fifty" by Canon. This model is much better than the previous lens. The body of the device is made of stronger and better plastic, pleasant to the touch, the mount of the bayonet is metal. However, this lens for Canon has a significant drawback - a rather flimsy plastic "proboscis", which extends when focusing. Very often, due to problems with this element, the lens is in the service center.
The third device proposed for consideration is the Canon 50mm EF ฦ / 1.2L USM lens. The body of the device is made of very high quality plastic, the mount of the bayonet is metal. The lens has small overall dimensions, but the mass of the device is 550 grams. The housing of the Canon 50 mm EF ฦ / 1.2L USM is waterproof and dustproof. It eliminated the drawback of the first models, namely, there are no retractable elements. When focusing the lens, the front lens goes deep into the body.
This concludes our review of Canon lenses. We can conclude that the optical systems of this company have very solid technical characteristics, they are able to compete on equal terms with all the world leaders in the production of photographic equipment.