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Canon celebrates an unusual anniversary

In a day when all progressive mankind celebrates the 102nd anniversary of the great October socialist revolution, Canon has told us about his interesting anniversary. It turns out that this year marks the 50th anniversary of the release of the world’s first consumer interchangeable lens, which uses synthetic fluorite.

That in combination with optical glass fluorite, the mineral form of calcium fluoride (CaF2), can almost perfectly correct the chromatic aberration, it has long been known. However, naturally occurring fluorite crystals are too small to be used in the lenses of photographic lenses.

Canon отмечает необычный юбилей

Approximately in 1950 was introduced the synthesis of fluorite with natural crystals of fluorite as raw materials, paving the way for its use as optical material. For growing crystals required vacuum environment and a temperature above 1000°C, which created problems on the way to mass production, but they were all solved by experts Canon, so in the production in March 1967 was obtained the first crystals of fluorite, synthesized in an electric furnace, and in February 1968 had a serial production of synthetic crystals of fluorite. In parallel with the development of new technologies to Polish the material, it does not give available at the time of the traditional polishing technology. Finally, in may 1969 was released as the first lens for Canon cameras with interchangeable lenses, which were applied synthetic fluorite. It was a model FL-F300mm f/5.6.

Canon отмечает необычный юбилей

In December of 1974 for technology commercialization mass production of crystals of fluorite, developed by Canon, the company was founded Optron (now Canon Optron). She has perfected the technology and developed many other optical crystal materials.

Today Canon has released 28 models of EF lenses that use fluorite lenses, and 11 of them are still available. Synthetic fluorspar is used not only in interchangeable lenses for cameras and other optical products, including cameras and telescopes.

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Presents lens Tokina atx 100mm F2 i.8 FF Macro

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As expected, the company Tokina has announced the release of the successor to its popular lens for macro AT-X M100 f/2.8 PRO D Macro. New full frame lens called the Tokina atx-i 100mm F2.8 FF Macro. It’s a little lighter and shorter than its predecessor, and like him, is not only designed for macro photography but for portraits, landscapes, street scenes — in all cases, when can we use a moderate telephoto lens.

Представлен объектив Tokina atx-i 100mm F2.8 FF Macro

The lens is available in mounts for Canon EF and Nikon F, and the rotation direction of the focus ring in each variant corresponds to the direction adopted in the corresponding system. Switching between manual and automatic focusing is performed by displacement of the focus ring in the longitudinal direction. To speed up focusing there is a range limiter. Note that the version with Nikon F mount has autofocus motor, relying on the drive in-camera and so on Nikon cameras without an AF motor, such as model D3000 series and D5000, as well as cameras D40, D40X and D60, possible manual focus only. The lens is equipped with aperture ring.

Представлен объектив Tokina atx-i 100mm F2.8 FF Macro
Представлен объектив Tokina atx-i 100mm F2.8 FF Macro

Specifications lens Tokina atx 100mm F2 i.8 FF Macro:

  • Focal length — 100 mm;
  • The field angle is 24°;
  • Aperture — f/2.8-f/32;
  • Lens construction — 9 elements in 8 groups;
  • Number of diaphragm blades — 9;
  • Minimum focus distance — 0.30 m (depending on FR);
  • Maximum magnification — 1:1;
  • Installation of filter diameter — 55 mm;
  • Diameter 73,0 mm;
  • Length — 95,1 mm;
  • Weight 490 g.

The lens comes with a lens hood. It costs $ 429.

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Sony added the function of Real-Time Animal Eye AF on the RX10 IV with firmware updates

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Sony released a firmware update for camera RX10 IV. The update adds the function of Real-Time Animal Eye AF and increases the overall stability of the camera.

Компания Sony добавила функцию Real-Time Animal Eye AF в камеру RX10 IV с помощью обновления прошивки

The function of Real-Time Animal Eye AF is already implemented in many other Sony cameras, enables the system to focus automatically follow the eyes of the animal in the frame with the help of artificial intelligence algorithms. The manufacturer makes a reservation that “eye detection may not be possible depending on environment, type of animal or animal movement”.

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Firmware version 2.00 for the RX10 IV is available for download on the Sony website.

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Camera CL Leica “Edition Paul Smith” released in 900 pieces

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Leica has unveiled a special version of the Leica CL, created in collaboration with British designer Paul Smith (Paul Smith). Technical specifications model CL Leica “Edition Paul Smith” are identical to the technical characteristics of a regular production model, but apparently a new version is very different.

Камер Leica CL «Edition Paul Smith» выпущено 900 штук

Previously, the company Leica has already released a design version of one of the cameras in cooperation with Smith. Probably, the experience was a success, since he decided to repeat.

Камер Leica CL «Edition Paul Smith» выпущено 900 штук

In addition to the bright colors, the camera allocates the inscription look and see, made by the designer. It is placed over the LCD display on the back of the camera. On top of the viewfinder is a stylized image of the eye.

Камер Leica CL «Edition Paul Smith» выпущено 900 штук

Camera CL Leica “Edition Paul Smith” released in 900 pieces. They come complete with lens Elmarit-TL 8mm F2.8 ASPH and colorful cord as necklace strap.

A set of 3 costs $ 995.

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