New zoom lens patents from Tamron, Canon and Olympus

Three new zoom lens patents were recently filed from Tamron, Canon and Olympus:

Tamron 70-200mm f:4 VC lens patent
→ Tamron 70-200mm f/4 VC lens patent (full frame lens for DSLR camera)

Canon EF 40-800mm f:4.5-5.6 lens patent
→ Canon EF 40-800mm f/4.5-5.6 lens patent

Olympus-300-500mm-f2.8-4.0-lens-patent
→ Olympus 300-500mm f/2.8-4.0 lens patent

Via Egami

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