Camera and Lens Patents (Page 2)
According to the Egami Blog, Tamron has patented a 10-24mm f/3.5-4.5 VC optical design.
Patent Details
- Published 2016.7.11
- Filing date 2015.1.8
- Focal Length 10.303 15.199 23.483
- F-number 3.6 - 4.1 - 4.6
- AOV 111.70 - 86.59 - 62.07
- Anti-vibration (third group)
- Inner focus (rear group of the first group)
B&H carries the current, non-VC version of this lens.
According to the Egami Blog, Tamron has patented the optical forumla for a 20mm f/2 VC.
This lens would make a very interesting addition to Tamron's recent releases, notably the 35, 45 & 85mm f/1.8 VC primes. A 20mm f/2 prime with VC would compete strongly against the Sigma 20mm f/1.4 Art (and Nikon 20mm f/1.8G ED, for that matter) as many will gladly give up a 1-stop aperture advantage to gain built-in stabilization.
Description of Patent*
- Patent Publication No. 2016-126279
- Published 2016.7.11
- Filing date 2015.1.8
- f/ = 2.05
- Rear focus
- Anti-vibration (a part of the first group)
* Some specifications have been omitted here due to translation concerns.
According to the Egami Blog, Tamron has patented the optical formula for a 70-200mm f/4 VC lens.
Description of Patent
- Patent Publication No. 2016-126278
- Published 2016.7.11
- Submitted 2015.1.8
- Focal length 71.8092 109.9915 205.9615
- F-number 4.0989 4.1033 4.1023
- Field of View 16.7567 10.8972 5.8621
- Inner zoom
- Inner focus
- Vibration control
According to the Egami Blog, Tamron has patented the optical design for an SP 60mm f/2.8 Di VC USD.
Patent Details
- Patent Publication No. 2016-126086
- Published 2016.7.11
- Submitted 2014.12.26
- Focus distance 61.79 61.21 56.74
- F-number 2.88 2.92 3.16
- Field of View 38.58 38.03 34.57
- Inner focus
- Anti-vibration (the second group)
According to the Egami Blog, Tamron has patented the optical formula for a 100-400mm f/4.5-6.3 VC.
Description of Patent
- Patent Publication No. 2016-126295
- Published 2016.7.11
- Submitted 2015.1.8
- Focus distance 103.00 247.29 389.05
- f-number 4.51 5.81 6.53
- Field of view 11.68 4.88 3.11
- Negative positive negative
- Rear focus (Group 5)
- Anti-vibration (third group)
According to the Egami Blog, Canon has submitted a patent for an EF-M 16-50mm f/3.5-5.6 IS STM.
Patent Details
- Patent Publication No. 2016-118658
- Published 2016.6.30
- Submission date 2014.12.22
- Zoom ratio 2.88
- Focus distance 16.51 21.00 47.49
- F-number 3.49 3.77 5.80
- Field of view (degrees) 39.61 33.04 16.05
- Width 13.66 13.66 13.66
- Overall length of the lens 82.00 77.35 84.14
- BF 10.70 10.70 13.31
According to the Egami Blog, Canon has filed an optical design patent for an EF 24-105mm f/4 lens. While the patent does not specifically mention the "L" branding or "IS," the current 24-105L is more than a decade old and may be due for a refresh in the not-so-distant future.
That said, the Canon EF 24-105mm f/4L IS USM is a lens I use very frequently, and right now you can get a Canon USA refurbished model for only $599.99 + tax & shipping.
Patent Details
- Patent Publication No. 2016-71283
- Published 2016.5.9
- Submitted 2014.10.1
- Zoom ratio 4.13
- Focus distance 24.70 32.04 102.11
- F-number 4.10
- Field of View (degrees) 41.22 34.03 11.96
- Like high 21.64
- The total lens length 148.96 152.86 207.64
- BF 35.80 36.22 53.51
Acording to the Egami Blog, Canon has patented the optical formula for a 30mm f/2.8 DO lens. However, the blog mentions that the lens has been designed for "Fullsize-Mirrorless," indicating that Canon may be working on a camera system to directly compete with Sony.
Patent Details
- Patent Publication No. 2016-102851
- Published 2016.6.2
- Filing date 2014.11.27
- Zoom ratio 1.00
- Focal length 31.35
- F-number 2.86
- Angle of view 34.61
- Image height 21.64
- Overall length of the lens 85.29
- BF 29.99
According to the Egami Blog, Canon has filed an optical formula patent for an EF 1000mm f/5.6 DO lens.
Incorporating diffractive optics into a 1000mm lens sounds like a match made in heaven. The patent details mention Tokyo's Oympic Games in 2020 which seems to indicate Canon's anticipated launch window for the lens.
Patent Details
- Patent Publication No. 2016-102852
- Published 2016.6.2
- Filing date 2014.11.27
- Zoom ratio 1.00
- Focal length 950.00
- F-number 5.80
- Angle of view 1.30
- Image height 21.64
- Overall length of the lens 485.94
- BF 0.40
According to the Egami Blog, Canon has patented an EF-M 9-17mm f/3.5-5 STM optical design.
Patent Description
- Patent Publication No. 2016-85259
- Published 2016.5.19
- Submission Date 2014.10.23
- Zoom ratio 1.79
- Focus distance 9.27 13.32 16.58
- F-number 3.60 4.38 5.11
- AOV 51.83 45.17 38.94
- Overall length of the lens 85.22 79.65 81.94
- BF 14.99 16.82 15.41
According to the Egami Blog, Canon has filed an optical design patent for an EF-M 15-50mm f/3.5-5.6 IS STM.
Patent Description
- Patent Publication No. 2016-75742
- Published 2016.5.12
- Filing date 2014.10.3
- Zoom ratio 2.94
- Focal length 16.00 27.43 47.04
- F-number 3.62 4.50 5.82
- Half angle of view (degrees) 37.55 26.47 16.19
- Image height 12.30 13.66 13.66
- Overall length of the lens 78.86 74.05 77.88
- BF 20.48 27.14 37.06
According to the Egami Blog, Sigma has patented an optical formula for the 70-200mm f/2.8 DG OS HSM | Sports lens.
Patent Description
- Patent Publication No. 2016-75828
- Published 2016.5.12
- Submitted 2014.10.8
- Zoom ratio 2.67
- Focus distance 72.41 118.50 193.38
- F-number 2.92 2.92 2.92
- Field of view 2h 33.58 20.51 12.56
- Image height Y 21.63 21.63 21.63
- The total lens length 250.00 250.00 250.00
According to the Egami Blog, Canon has filed a patent for a CN-E 30-160mm f/2.8 LS lens designed for Super 35 sensors.
Description of the patent literature
- Patent Publication No. 2016-57387
- Published 2016.4.21
- Filing date 2014.9.8
- Zoom ratio 5.00
- Focal length 32.00 100.00 160.00
- F-number 2.70 2.70 3.00
- Half angle of view (degrees) 24.82 8.42 5.28
- Image height 14.80
- Overall length of the lens 271.71
- BF 45.83
According to the Egami Blog, Canon has patented an EF 50-300mm f/4.5-5.6 STM with diffractive optics and a similar EF-M version.
Description of Patent
- Patent Publication No. 2016-57444
- Published 2016.4.21
- Filing date 2014.9.9
- EF Version
- Zoom ratio 5.59
- Focal length 51.77 135.00 289.53
- F-number 4.65 5.05 5.85
- Half angle of view (degrees) 14.78 5.78 2.70
- Image height 13.66 13.66 13.66
- The total lens length 126.05 169.37 184.15
- BF 35.50 35.50 35.50
- EF-M Version
- Zoom ratio 5.90
- Focal length 49.13 135.00 290.00
- F-number 4.65 4.95 5.85
- Half angle of view (degrees) 15.54 5.78 2.70
- Image height 13.66 13.66 13.66
- The total lens length 108.00 152.12 168.00
- BF 15.69 15.69 15.69
According to the Egami Blog, Canon has filed a patent associated with the EF-M 9-18mm f/3.5-4.5 STM.
Patent Details
- Patent Publication No. 2016-54371
- Published 2016.4.14
- Filing date 2014.9.3
- Zoom ratio 1.90
- Wide-angle intermediate telephoto
- Focal length 9.22 14.05 17.50
- F-number 3.39 4.04 4.63
- Half angle of view (degrees) 53.07 44.12 37.91
- Image height 12.27 13.63 13.63
- Overall length of the lens 89.68 83.60 86.84
- BF 14.22 15.78 16.00
According to the Egami Blog, Sigma has patented a 200mm f/2 DG OS HSM Sports lens and what seems to be a new, specifically designed 1.4x teleconverter.
Patent Details:
Patent Publication No. 2016-45314
- Published 2016.4.4
- Filing date 2014.8.21
The master lens
- Focal length 194.93
- F-number 2.05
- Full angle of view 2? 12.70
- The image height Y 21.63
- Overall length of the lens 231.33
- BF 60.2233
Complex lens
- Focal length 274.52
- F-number 2.89
- Full angle of view 2? 9.06
- The image height Y 21.63
- Overall length of the lens 252.18
- BF 39.5088
According to the Egami Blog, Canon has submitted a patent for an optical design with two image stabilization control groups which work together to better reduce camera shake.
Patent Details
- Patent Publication No. 2015-203862
- Published 2015.11.16
- Filing date 2014.4.16
- Equipped with two vibration proof group
- Shake detection, determine the amount of correction from the shooting information
- Obtaining correction amounts of the two vibration proof group from the magnification ratio and the distance information of the lens
According to the Egami Blog, Sigma has patented the optical formula and technology for a 24-70mm f/2.8 DG OS HSM | Art lens.
Patent Details
Patent Publication No. 2016-38502
- Published 2016.3.22
- Zoom ratio: 2.74
- Wide-angle intermediate telephoto
- Focus distance: 24.85 50.00 68.00
- F-number: 2.92 2.92 2.93
- Angle of View: 83.71 45.71 34.33
- Image height: 21.63 21.63 21.63
- The total lens length: 150.73 167.12 178.30
According to the Egami Blog, Canon has filed a patent for a hybrid viewfinder.
Description of Patent
Patent Publication No. 2016-35525
- Published 2016.3.17
- Filing date 2014.8.4
- During the pentagonal prism and the eyepiece optical system, providing two optical surface inclined
- Since the light from the objective optical system is transmitted through the two optical surfaces, the photographer can observe the object
- Since the light from the display optical system reflects the second optical surface and the first optical surface, the photographer can observe the display information
- Display panel, display the shooting information at the time of the mirror-down, to display a live view image at the time of the mirror-up
According to the Egami Blog, Canon has filed a design and optical formula patent for an EF 28mm f/1.4L USM.
Patent Details
Patent Publication No. 2016-31414
- Published 2016.3.7
- Filing date 2014.7.28
- Focal length 28.00
- Fno 1.45
- Image height 21.64
- Overall length of the lens 125.07
- BF 38.73
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