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Firmware Update

Olympus 2.0x and 1.7x Tele-converter Patents

Olympus 2.0x and 1.7x Tele-converter Patents surfaced over the web, till now not 1.7X Tele-converter from Olympus exist and the 2.0X EC Tele-converter is old and need a update.

Olympus 2.0X Teleconverter

As you can see the B&H store have only Olympus EC-20 2.0X Teleconverter works with Olympus E & Four-Thirds Lenses.olympus-tele-converter-pate

Self-interpretation

  • Patent Publication No. 2016-177042
    • Published 2016.10.6
    • Filing date 2015.3.19
  • Example 1
    • f 249.93
    • FNO. 4.95
    • 2ω 5.03 °
    • IH 10.82
    • β 1.70
    • BF (in the air) 15.76
    • Total length (in air) 200.72
  • Example 2
    • f 294.03
    • FNO. 5.76
    • 2ω 4.27 °
    • IH 10.82
    • β 2.00
    • BF (in the air) 25.16
    • Total length (in air) 208.57
  • The master lens
    • f 147.00
    • FNO. 2.88
    • 2ω 8.30 °
    • IH 10.82
    • BF (in the air) 29.50
    • Total length (in air) 179.90

source – egami.blog.so-net.ne.jp

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