(B) Appearance of the objective and tube lenses with the width and length ... NJ), together with a 75-mm lens (f = 200 mm, LA1353-A, Thorlabs, Newton, NJ) to ensure uniform illumination onto the disk.

after passing through a tube lens (AC254-200-A, Thorlabs), respectively. SHG light was collected in the short pass channel with an emission filter (ET376/30x, Chroma), and fluorescence was collected ...

It’s impossible for us to recommend the best Sony lens for everyone, simply because there are so many to choose between. From wide-angle primes to super-telephoto zooms, we’ve tested a whole ...

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 ...

scan lenses and tube lenses. A hallmark of multiphoton imaging is that all of the light emitted by the sample is known to be from the focal volume as a result of the nonlinear excitation of the ...

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 ...

An 11-year-old girl has been found clinging to tire tubes off the Italian coast after the migrant boat she was on sank three days earlier. The girl is from Sierra Leone and has been named as ...

In February 2024, a series of circular tube maps appeared at a clutch of Circle line stations as part of a promo for some new Samsung phone tech. It was an astute little stunt, but certainly not ...

Your Eustachian tubes are located inside each ear, on the sides of your head. These tubes connect your middle ear to the back of your nose and throat. When you hear your ears pop after swallowing ...

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 ...

Rescuers with a water bottle and blankets tried to warm the girl up An 11-year-old girl has been rescued after clinging to inner tubes for three days in stormy weather in the Mediterranean.