joi, 30 iulie 2015

Canon - prima camera ultra sensibila la lumina - ISO 4.000.000

ME20F-SH front
Canon a anuntat un nou corp video capabil de filmare full HD cu un senzor CMOS (36mm Full-Frame) ultra sensibil la lumina, avand o sensibilitate ISO pana la 4.000.000.
In cazul meu sunt obisnuit sa cresc sensibilitatea ISO pana la 6400 si rar 12.800 (Canon 5D MKIII). La un simplu calcul se observa ca la noul senzor castigul de lumina fata de ce am specificat eu este de peste 7-8 Fstops (foarte mult).
Pretul pentru acest corp va fi pe masura - 30.000$.

Mai jos aveti un test video comparativ (senzorul CMOS ultra sensibil vs. modelele actuale CCD) realizat in conditii cu lumina foarte slaba:
  • Calea lactee si stele cazatoare;
  • iluminare de la betisoare aromate;
  • scena exterioara iluminata de luna plina - surpriza mare - arata ca si cum ar fi zi ;)



Acest senzor ultra sensibil a fost anuntat prima data in 2013. Mai jos aveti cateva imagini scoase din materialul video de mai sus.

Anuntul oficial:

Canon's First Ultra-High-Sensitivity Multi-Purpose Camera Features ISO Equivalent Of Over 4,000,000


MELVILLE N.Y., July 30, 2015 - Canon U.S.A. Inc., a leader in digital imaging solutions, today has introduced the Company's first multi-purpose camera, the new ME20F-SH, which delivers exceptionally high sensitivity to capture Full HD video with a minimum subject illumination of less than 0.0005 lux1 (at maximum 75 dB gain setting, equivalent to an ISO sensitivity of over 4,000,000). Nighttime surveillance and security, cinematic production, reality television, and nature/wildlife documentaries are just some of the ME20F-SH's many possible usage applications. With the ability to capture color video in extreme low-light conditions and its simplistic and versatile design, the ME-20F-SH Multi-purpose Camera can be easily incorporated into existing infrastructures and systems to provide high-quality video capture even where subjects might not be seen with the naked eye.
ME20F-SH front
ME20F-SH back
ME20F-SH (front)
ME20F-SH (back)
Canon's new multi-purpose camera employs an enhanced version of the 35mm full-frame CMOS sensor for Full HD video use that was originally developed by the Company in 20132. Its compact, modular body design allows easy custom configurations for diverse usage scenarios. While capturing video in extreme low-light conditions often requires the use of infrared illumination (a technique that only yields video in black and white), the ME20F-SH camera achieves impressive high-sensitivity performance enabling the capture of color Full HD video with reduced noise in low-light conditions without the need for infrared illumination.
Ultra-High-Sensitivity CMOS Sensor Enables Color Video Capture in Extreme Low-Light Conditions
The ME20F-SH camera's CMOS sensor has pixels measuring 19 μm square3, which is more than 5.5 times the surface area of the pixels on the CMOS sensor featured in select top-of-the-line interchangeable lens cameras4. Furthermore, the sensor's pixels and readout circuitry make use of Canon proprietary technologies to achieve both reduced noise and exceptionally high sensitivity on subjects with a minimum illumination of less than 0.0005 lux. This multi-purpose camera allows users to discern subjects under even some of the dimmest lighting conditions, such as environments lit by artificial illumination or under a moonless night sky. Furthermore, similar to Canon's Cinema EOS System of professional digital cinematography cameras, the ME20F-SH camera includes Canon Log and Wide DR, which make possible a wide dynamic range, delivering high-image-quality video results across a range of illumination environments, from low- to brightly lit conditions.
Canon's Diverse Interchangeable EF Lens Lineup Enables Wide Range of Imaging Possibilities
The new ME20F-SH employs the same EF mount (Cinema Lock type) as Canon's SLR cameras and Cinema EOS System-series of professional digital cameras, allowing users to make use of the Company's extensive lineup of interchangeable EF lenses5. By letting users select the ideal lens based on their shooting or application requirements, taking into consideration such factors as angle of view and level of brightness, this multi-purpose camera facilitates a wide spectrum of imaging possibilities.
Supports various standard video-recording interfaces
Employing output-only 3G/HD-SDI and HDMI terminals, Canon's ME20F-SH camera enables users working on location to output video via a single cable to a variety of peripheral equipment, including external recorders and monitors. Equipped with a φ2.5mm stereo mini-jack and a round 8-pin jack for RS-422, the multipurpose camera is capable of connecting with Canon's RC-V100 Remote Controller (released in June 2014; sold separately)6. By allowing users to operate the camera or change settings from a remote location, the camera facilitates video capture from inaccessible locations as well as fixed-point surveillance. Furthermore, a φ3.5mm stereo mini-jack allows the camera to connect with an external microphone, enabling users working on location to output audio and video signals to connected peripheral equipment.
The Canon ME20F-SH is expected to be available in December 2015 at a suggested retail price of $30,000.
About Canon U.S.A., Inc.
Canon U.S.A., Inc., is a leading provider of consumer, business-to-business, and industrial digital imaging solutions to the United States and to Latin America and the Caribbean (excluding Mexico) markets. With approximately $31 billion in global revenue, its parent company, Canon Inc. (NYSE:CAJ), ranks third overall in U.S. patents granted in 2014† and is one of Fortune Magazine's World's Most Admired Companies in 2015. In 2014, Canon U.S.A. has received the PCMag.com Readers' Choice Award for Service and Reliability in the digital camera and printer categories for the 11th consecutive year. Canon U.S.A. is committed to the highest level of customer satisfaction and loyalty, providing 100 percent U.S.-based consumer service and support for all of the products it distributes. Canon U.S.A. is dedicated to its Kyosei philosophy of social and environmental responsibility. In 2014, the Canon Americas Headquarters secured LEED® Gold certification, a recognition for the design, construction, operations and maintenance of high-performance green buildings. To keep apprised of the latest news from Canon U.S.A., sign up for the Company's RSS news feed by visiting www.usa.canon.com/rss and follow us on Twitter @CanonUSA. For media inquiries, please contact pr@cusa.canon.com.
###
† Based on weekly patent counts issued by United States Patent and Trademark Office.
All referenced product names, and other marks, are trademarks of their respective owners.
1 Compliant with the specification method for CCTV devices (TTR-4602B) issued by the Japan Electronics and Information Technology Industries Association (JEITA). Theoretical value based on the following shooting conditions: color, no light accumulation, f/1.2, 30P, 50 IRE
2 For more information, please refer to the press release announced on March 4, 2013, available on the Canon Global website: http://www.canon.com/news/2013/mar04e.html
3 1 μm (micrometer) equals one millionth of a meter
4 19 μm pixel pitch (361 μm2 surface area) compared to 4.88 μm (23.81 μm2) of Nikon D810, 8.4 μm (70.56 μm2) of Sony Alpha ILCE-A7S, and 6.94 μm (48.16 μm2) of Canon EOS-1D X
5 Details regarding supported EF-series interchangeable lenses are scheduled to be made available in mid-December 2015.
6 The RC-V100 requires a firmware update when using the round 8-pin jack for RS-422. Details regarding the firmware are scheduled to be made available in mid-December 2015.
Product name ME20F-SH Multi-purpose Camera
Image sensor 35mm full-frame CMOS sensor (single), effective pixel count: approx. 2.26 million pixels
Minimum subject illumination Less than 0.0005 lux (at maximum 75 dB gain setting, equivalent to an ISO sensitivity of over four million)
Pixel Pitch 19 Microns
Lens mount Canon EF mount (Cinema Lock type)
Optical filters ND filter with two density levels (motorized manual / auto) IR cut filter (motorized manual)
Frame rates 59.94P / 59.94i / 50.00P / 50.00i / 29.97P / 25.00P / 23.98P
Gamma Canon Log, Wide DR, etc.
Video output terminals 3G / HD-SDI BNC jack (output only) Terminal count: 2

1080P / 1080i / 720P
HDMI HDMI connector (output only)
Genlock terminal BNC jack (input only)
Remote terminal φ2.5mm stereo mini-mini-jack (Canon-proprietary protocol)

Round 8-pin jack (for RS-422, Canon-proprietary protocol)
Microphone terminal φ3.5mm stereo mini-jack
AF One-shot AF
Auto-exposure Combined interlocking (iris / gain / ND / shutter)
White balance AWB, color-temperature setting (setting range: 2000 to 15000 degrees Kelvin), natural light, light bulb, Setting A, Setting B
Digital teleconverter 2x, 4x
Power input 4-pin XLR DC11-17V

Terminal block 2-pin jack DC11-17V
Operating temperature 32 degrees F (0 degrees C) to 104 degrees F (40 degrees C)
Body dimensions Approx. 4 inches (102mm) (w) x 4.5 inches (116mm) (h) x 4.4 inches (113mm) (d) (excluding protrusions)
Weight Approx. 2.4 lbs (1.1 kg) (body only)
Note: HDMI, the HDMI logo and the High-Definition Multimedia Interface are brands and registered trademarks of HDMI Licensing, LLC

marți, 14 iulie 2015

Brevet de inventie pentru un nou senzor de Auto-Focus de la Canon

Brevet de inventie pentru un nou senzor de Auto-Focus de la Canon
A aparut pe internet un brevet de inventie (patent) de la Canon pentru un nou sistem de Auto-Focus mai performant. Acesta foloseste senzorul CMOS prin doua metode - contrast si phase AF (16 sub-pixeli).
Partea cea mai spectaculoasa este legata de capacitatea de microajustari automate in timpul auto-focusului care va duce la o precizie mult mai mare fata de aparatele actuale, in special pentru lentilele cu diafragma mare (F/1.2 - F/2.8). In concluzie nu vor mai fi necesare reglarile fine (microajustari) pentru fiecare corp si fiecare lentila in parte.
Ma astept ca acest sistem sa apara pe noul Canon 5D MK IV (probabil 2016).
Acest lucru este deja rezolvat la Sony (vz. Sony A7RII). In cazul lor auto-focusul se face pe senzorul de captura a imaginii, eliminand astfel erorile tipice pentru DSLR.