Digital Photography Review on MSN
Tamron's all-in-one zoom goes wider, gets closer
When you use DPReview links to buy products, the site may earn a commission. Image: Tamron Tamron has announced the 25-200mm ...
How linear, rotary, reciprocating and oscillating motion are evolving as customization grows and new capabilities emerge.
Abstract: This letter introduces a novel linear actuator with a high extension ratio, achieved through a unique planar transforming linkage mechanism (TLM) that serves as an articulated lead screw.
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