New Tamron patent discloses the design of the “40-500mm f/4.5-8.2” and “50-600mm f/4.5-8.2” lenses

Newly published Tamron patents do disclose the design of some rather unique zoom lenses like the:

• 40-500mm f/4.5-8.2
• 50-600mm f/4.5-8.2

These would be some massive big lenses!

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via Asobinet