This disk was mounted on a high-speed rotating machine (CrestOptics, Rome, Italy) and placed precisely on the image plane of the imaging lens. Alignment throughout the FOV was ensured using a ...
The Bessel beam was relayed onto the specimen through two lens pairs of L1 (AC254-045-B, Thorlabs) and L2 (AC254-080-B, Thorlabs), and L3 (AC254-150-B, Thorlabs) and a 20× air illumination objective ...
Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...
The best lenses for astrophotography can help you create beautiful, detailed images of the night sky. Winter is the best time to do so. Owning one (or more) of the best lenses for astrophotography ...
As a contact lens-wearer for nearly two decades, I’ve learned that purchasing contacts online is both cheaper and more convenient than buying them at the optometrist’s office. Having purchased ...
Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Executive Editor David ...
Thanks to the internet, it’s easy to browse, customize and (virtually) try on prescription glasses online without taking a trip to the optometrist’s office. After evaluating several options, I ...
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