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Firmware Update

Tamron Lenses 300mm F2.8, 400mm F4, 500mm F4 Lens Patent

Tamron lens patent image

Tamron working on Multiple high quality Prime lens patent. The Lenses include 300mm F2.8, 400mm F4, 500mm F4 Lens Patent. As we have said earlier also, patent takes two to three years to become a real product. So, it is possible we may see these lenses

Details of the patent is below

[Publication number] Japanese Unexamined Patent
Application Publication No. 2017-223891 (P2017-223891A) click here
[Publication date] December 21, Heisei 20 (2017.12.21)
Patent application title: Optical system and imaging device

Embodiment 3: 500mm F4
Focal length: 485.045 mm
F No.: 4.001
ω: 2.530
Image height: 21.64 mm
Back focus: 125.2621 mm
Lens length: 420.001 mm

Embodiment 2: 400mm F4
Focal length: 396.296 mm
F No.: 4.0
ω: 2.963
Image height: 21.64 mm
Back focus: 102.3549 mm
Lens length: 332.36 mm

Embodiment 1: 300mm F2.8
Focal length: 304.799 mm
F No.: 2.8
ω: 3.997
Image height: 21.64 mm
Back focus: 70.1919 mm
Lens length: 298.38 mm

Take a look at more Tamron Patents

Tamron Patent 20mm F2 Lens for DSLRs

Tamron 20mm F2 lens patent image

Tamron working on a fullframe 20mm F2 lens that will also feature optical image stabilization.

Description, self-interpretation of the patent literature
Patent Publication No. 2016-126279
Published 2016.7.11
Filing date 2015.1.8
Example
f = 20.60
FNo. = 2.05
ω = 46.81
Ym = 21.633
BF 38.2971 – 38.3188
Tamron patent
Negative ShiboTadashi
Rear focus
Anti-vibration (a part of the first group)

Take a look at more Tamron Patents

Tamron Patent 70-200mm F4 VC

Tamron Lens Patent

Tamron working on 70-200mm F4 VC full frame lens for DSLRs(Canon, Nikon and Pentax). The lens features constant F4 aperture and optical stabilization. We hope that Tamron will keep the price of Lens low compared to Canikon 70-200mm F4 Lenses.

Patent Publication No. 2016-126278
Published 2016.7.11
Filing date 2015.1.8
Example 1
Focal length 71.8092 109.9915 205.9615
F-number 4.0989 4.1033 4.1023
Half angle of 16.7567 10.8972 5.8621
Patent of Tamron
Positive and negative positive positive and negative 5-group zoom
Inner zoom
Inner focus
Vibration control

Take a look at more Tamron lens patnet

Tamron 60mm F2.8 VC Patent

Tamson SP lens patent details image

Tamron is working on fullframe DSLR lens, the prime lens have 60mm fixed focal length and a constant F2.8 aperture.

Description, self-interpretation of the patent literature

  • Patent Publication No. 2016-126086
    • Published 2016.7.11
    • Filing date 2014.12.26
  • Example
    • Focal length 61.79 61.21 56.74
    • FNO 2.88 2.92 3.16
    • 2ω (angle of view) 38.58 38.03 34.57
  • Tamron patent
    • Positive and negative positive
    • Inner focus
    • Anti-vibration (the second group)

Take a look at more Tamron Patents

Tamron 100-400mm F4.5-6.3 VC Patent

tamron working on new lens patnet

Tamron new patent surfaced over the web that shows 10-400mm lens. The lens features F4.5-6.3 aperture and will also feature optical image stabilization.

Description, self-interpretation of the patent literature

  • Patent Publication No. 2016-126295
    • Published 2016.7.11
    • Filing date 2015.1.8
  • Example 1
    • Focal length 103.00 247.29 389.05
    • Fno. 4.51 5.81 6.53
    • Half angle of 11.68 4.88 3.11
  • Tamron patent
    • Positive and negative positive negative
    • Rear focus (Group 5)
    • Anti-vibration (third group)

It’s look like Tamron is panning to add an affordable competitor of Canon 100-400 and Nikon 80-400mm in the market, let’s wait to see when the lens will actually arrive.

see more Tamron Patent

Tamron Files a Patent for Fullframe Mirrorless Lens

tamron lens patent image

Tamron corresponds to a less full-size mirror 28-70mm F3.5-5.6 of patent is being filed. Take a look at the patent details translated by Japanese language

Description, self-interpretation of the patent literature

  • Patent Publication No. 2016-90745
    • Published 2016.5.23
    • Filing date 2014.10.31
  • Example 1
    • F-number = 3.61 The ~ 5.00 to 5.77
    • Focal length = 28.91 ~ 44.97 ~ 67.84mm
    • Half angle of view (ω) = 37.95 ~ 25.86 ~ 17.64 °

source – egami

see more patents from Tamron

Tamron 13-200mm Lens Patent

13-200mm-lens-imageTamron 13-200mm Lens Patent surfaced over the web, the lens covers a very wide range and developed for APS-C camera, take a look at the patent details below

Explanation and self-interpretation of the patent literature

Patent Publication No. 2015-118214

  • Published 2015.6.25
  • Filing date 2013.12.18

source – egami