New Sigma patent discloses the design of the 400-800mm f/8 and 180-800mm f/5.8-8.4 Full Frame lenses

Design of the 400-800mm lens A newly patented Sigma patent discloses the design of three Full Frame zoom lenses. One design is for the newly launched 300-600mm f/4.0 lens. The other two designs are for the: 400-800mm f/8 (total length of the lens is 447mm) 180-800mm f/5.8-8.4 (total length of the lens is 478mm) That… The post New Sigma patent discloses the design of the 400-800mm f/8 and 180-800mm f/5.8-8.4 Full Frame lenses first appeared on sonyalpharumors....

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Published By: SonyAlphaRumors - 2 days ago

• 3 days
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