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Firmware Update

Canon X70 DSLR, SX700 HS and D30 Leaked Images

Canon-X70-Leaked-ImageCanon upcoming entry level DSLR image leaked today, the camera will replace Canon 1100D from the bottom line, Canon SX700 HS is a Travel Zoom Camera and Canon D30 will replace Canon D20.. Take a look at the more leaked images below

Canon-SX700-HS-Leaked-image

Canon-D30-Leaked-Image.STAY WITH ON FACEBOOK | TWITTER | GOOGLE+ to get live news + rumors 24X7.

 

200-400mm Teleconverter Lens Patent from Canon

200-400mm-F4-lens

A new patent surfaced over the web that shows a  200-400mm Teleconverter Lens from Canon, take a look at the more details below translated via google

Canon filed a patent for a 200-400mm lens with built-in teleconverter and image stabilisation.

  • Patent Publication No. 2013-238827
    • Publication date 2013.11.28
    • Filing date 2012.5.17
  • Example 1
    • Zoom ratio 1.90
    • Focal length f = 205.00 – 389.99mm
    • Fno. 4.12
    • Half angle ω = 6.02 – 3.18 °
    • Image height Y = 21.64mm
    • The overall length of the lens 389.84mm
    • BF 68.49mm
    • Teleconference insertion
      • Focal length f = 287.00 – 545.98mm
      • Fno. 5.77
      • Half angle ω = 4.31 – 2.27 °
  • Example 2
    • Focal length f = 585.10mm
    • Fno. 4.12
    • Half angle ω = 2.12 °
    • Image height Y = 21.64mm
    • The overall length of the lens 467.32mm
    • BF 83.15mm
    • Teleconference insertion
      • Focal length f = 819.00mm
      • Fno. 5.77
      • Half angle ω = 1.51 °
  • Example 3
    • Zoom ratio 1.90
    • Focal length f = 307.50 – 585.00mm
    • Fno. 5.88
    • Half angle ω = 4.02 – 2.12 °
    • Image height Y = 21.64mm
    • The overall length of the lens 405.00mm
    • BF 75.70mm
    • Teleconference insertion
      • Focal length f = 427.00 – 812.33mm
      • Fno. 8.17
      • Half angle ω = 2.90 – 1.53 °
  • Canon patents
    • Teleconverter BF is the same in insertion and after insertion before
    • Vibration control
    • Teleconference to be inserted into the appropriate location, teleconverter can be miniaturised

src- egami

Canon EF-S 55-250mm F4-5.6 IS STM Lens Image

Canon-55-250mm-IS-STM-ImageCanon EF-S 55-250mm F4-5.6 IS STM Lens Image surfaced over the web, Canon will update its old  EF-S 55-250mm lens with improved optics and Step Drive Motor, the New lens expected to be announced with Canon G16 and other Compacts (see here) in next few days.

Best Lenses for Canon 700D / T5i

DxoMark lab tested a bunch of lenses and sorted out the best available lenses for Canon 700D / T5i DSLR, take a look the list below,

Best primes lenses:

Sigma 85mm F1.4 EX DG HSM
Canon EF 35mm f/2 IS USM
Sigma 35mm F1.4 DG HSM
Canon EF 85mm F1.2L USM
Carl Zeiss Distagon T 35mm f/1.4 ZE

Best zooms:

Canon EF 24-70mm f/2.8L II USM
Tamron SP 70-200mm F/2.8 Di VC USD
Tamron SP 24-70mm F2.8 Di VC USD
Sigma 50-150mm f/2.8 EX DC APO OS HSM
Canon EF 70-200mm f/2.8L IS II USM

Canon EF-M 11-22mm f/4-5.6 IS STM Lens Announced - Press Release, Price and Sample Images

Canon just announced its rumored EF-M 11-22mm Lens, the EF-M 11-22mmm is the first wide angle zoom lens to feature IS, it offers three stops of stabilization for stills and ‘Dynamic IS’ for video, stepper motor (STM) offers silent autofocus during movie shooting, and a retractable barrel design makes the lens more compact.

Canon EF-M 11-22mm f/4-5.6 IS STM Lens Major Features

  • 11-22mm focal length range (18-35mm equivalent)
  • F4-5.6 maximum aperture
  • Optical IS – 3 stops claimed benefit
  • Stepper motor for silent focusing in video
  • Collapsible barrel design

Press Release

London, UK, 6 June 2013 – Canon today expands its range of EF-M lenses with the introduction of the new EF-M 11-22mm f/4-5.6 IS STM. Designed for Canon’s Compact System Camera, the EOS M, this is Canon’s first ultra wide-angle EF lens to feature an Optical Image Stabilizer. Offering a versatile wide-angle zoom range, first-class optical performance, and a new retractable design, the EF-M 11-22mm f/4-5.6 IS STM is the perfect addition for EOS M users who wish to capture their passion for landscapes and architecture.

Shoot the city, shoot the world

Designed to expand the range of creative possibilities and shooting subjects, the EF-M 11-22mm f/4-5.6 IS STM has an 11-22mm focal range which provides an incredibly wide field of view. This allows users to capture the environment around them whilst remaining close to the subject – ideal for adding drama and atmosphere to each shot.

Class-leading optics deliver incredible results

Engineered using the latest optical technologies, the EF-M 11-22mm f/4-5.6 IS STM enables users to capture images with incredible levels of detail and quality. Manufactured using Canon’s professional quality standards, the lens uses Super Spectra Coatings designed to minimise ghosting and flare, providing beautiful results with every shot. Images are crisp and clear thanks to Canon’s Optical Image Stabilizer, which works to keep image blur to a minimum by correcting camera shake. A 3-stop shutter speed advantage ensures high quality stills, even when light levels start to fade. Shooting smooth Full HD movies is easy using the advanced Dynamic IS mode which combats more exaggerated forms of camera shake that occur when shooting video on the move. Canon’s near-silent STM technology also ensures focus noise is supressed during movie capture, so the audience can enjoy crystal clear sound to match the visual quality of the footage captured.

Designed for performance and style

Incredibly compact and lightweight, the EF-M 11-22mm f/4-5.6 IS STM has been designed to fit easily into the smallest of spaces so it can be carried everywhere. A new retractable lens design – a first for the EF lens range – locked in place by a switch, allows users to retract the lens back into the barrel when not in use. This keeps the body slim and compact, reducing the lens length by 13mm. An integrated full time manual focus ring also provides the freedom to make precise adjustments to focus as needed. Designed to complement the EOS M’s chic styling, the EF-M 11-22mm f/4-5.6 IS STM features a graphite silver, metal exterior, while the knurled focus and zoom rings are comfortable in the hand and provide easy operation.

EF-M 11-22mm f/4-5.6 IS STM – key features:

  • Ultra-wide 11-22mm EF-M zoom lens
  • Compact, retractable lens design
  • Smooth, quiet STM focusing in movies
  • Dynamic IS for steady movies
  • 3-stop optical Image Stabilizer
  • High image quality
  • 0.15m minimum focusing distance
  • Manual focus ring

Before using the EF-M 11-22mm f/4-5.6 IS STM with the EOS M it is recommended that users upgrade the camera to firmware version 2.0.0 or later.

Canon EF-M 11-22mm Full Specification:

 Maximum format size  APS-C
 Focal length  11-22mm
 35mm equivalent focal length (APS-C)  18-35mm
 Diagonal angle of view  102.1° – 63.3°
 Maximum aperture  F4-5.6
 Minimum aperture  F22-35
 Lens Construction  • 12 elements in 9 groups
 Number of diaphragm blades  7
 Minimum focus  0.15m / 0.49ft
 Maximum magnification  0.30x
 AF motor type  • Linear stepper motor
• Full time manual focus
 Focus method  Internal
 Zoom method  Rotary, extending barrel
 Image stabilization  • Yes
• 3 stops
 Filter thread  • 55mm
• Does not rotate on focus
 Supplied accessories*  • Front and rear caps
 Optional accessories  • Lens hood EW-60E
• Lens pouch LP814
 Weight  220g (7.8 oz)
 Dimensions  61mm diameter x 58mm length
(2.4 x 2.3 in)
 Lens Mount  Canon EF-M

Canon EF-M 11-22mm f/4-5.6 IS STM Lens Sample Images

F4-5.6 IS STM 1/50sec. F5.6

F4-5.6 IS STM 1/50sec. F5.6

F4-5.6 IS STM 4sec. F11

F4-5.6 IS STM 4sec. F11

MTF Chart of Canon EF-M 11-22mm f/4-5.6 IS STM Lens

Internal Construction

Canon Patent News - Canon 70-200mm F4

Canon is 70-200mm F4 patent is pending, the upcoming lens will feature better optics and advance IS system compared to the 70-200mm F4 Lens announced in 2006.

Take a look at the patent details below, (Translated by google)

Description and self-interpretation of the patent literature

  • Patent Publication No. 2013-105131
    • Publication date 2013.5.30
    • Filing date 2011.11.16
  • Example 1
    • Zoom ratio 2.68
    • Focal length f = 72.11-131.37-193.4mm
    • Fno. 4
    • Half angle ω = 16.7-9.35-6.38 °
    • Image height 21.64mm
    • The overall length of the lens 234.52mm
    • BF 50.12mm
  • Example 2
    • Zoom ratio 2.68
    • Focal length f = 72.14-130.58-193.38mm
    • Fno. 4
    • Half angle ω = 16.69-9.41-6.38 °
    • Image height 21.64mm
    • The overall length of the lens 213.85mm
    • BF 39.96mm
  • Example 3
    • Zoom ratio 2.68
    • Focal length f = 72.11-132.09-193.4mm
    • Fno. 4
    • Half angle ω = 16.7-9.3-6.38 °
    • Image height 21.64mm
    • The overall length of the lens 233.51mm
    • BF 49.05mm
  • Existing techniques
    • If you have a single focus group is easy aberration There is a change in the RF and IF
  • Canon patent
    • Inner zoom
    • Inner focus
    • Floating
    • MOD 300mm
    • β (Tele) = -0.5

See more – Canon Patent News

src- egami

Canon High Speed Liquid Lens Patent

Canon high speed liquid lens patent surfaced over the web, it is possible that motor from the liquid lens get eliminated since the liquid changes its shape when desired voltage is applied, take a look at more details below

Description and self-interpretation of the patent literature

  • Patent Publication No. 2013-101227
    • Publication date 2013.5.23
    • Filing date 2011.11.9
  • Canon patent
    • I drive a plurality of pumps
    • Drive pump liquid optical element to hold the end of the interface
    • When applied to the electrodes, electrowetting phenomenon in which the liquid moves to the interface from the drive pump occurs
    • Optical properties are changed by the movement of the liquid
    • By discretely and independently controlled and a voltage, enabling high-speed drive

See more Canon Patents

src-egami