I’ve tested all 4 of Sigma’s bargain f/1.4 primes for Canon cameras – here’s how to decide which one to buy
When Canon finally opened its lens mount to third parties, Sigma was the first to deliver, and I've been testing the 16mm ...
ophthalmologytimes23h
TECLens, Inc. raises $9.3 million in Series A round for refractive technology
The funding is allocated to support the clinical development of the company's non-incisional refractive correction procedure ...