Hacking ensued. The lens in question was a Sigma 15-30mm f/3.5-4.5 EX DG, built to work with a Sigma camera using the SA mount. As it turns out, the SA mount is actually based on the Canon EF ...

If you want to take pictures of tiny things close up, you need a macro lens. Or a microscope. [Nicholas Sherlock] thought “Why not both?” He designed a 3D-printed microscope lens adapter that ...

MD, Mount Sinai School of Medicine of the City of New York PhD, Biomedical Sciences, The City University of New York Mount Sinai Medical Center BA, Anthropology, State University of New York at ...

Dr Linhares gives a comprehensive overview of tests a patient might expect to undergo at the time of diagnosis and why they are important. Yuliya P.L Linhares, MD, and Josie Montegaard, MSN, AGPCNP-BC ...

The main upgrades from 2019's Leica SL2 ... SL 28mm f/2 ASPH lens. The option of using Leica glass is clearly one of the main draws of the SL3, but you can also use Panasonic and Sigma L-mount ...

Since they represent a significant investment, our expert reviewers have made sure to note what they liked about each lens, as well as any negatives to be aware of. Kimberley Lane is a landscape ...

I completed my fellowship training in Mohs micrographic surgery at MSK. Mohs micrographic surgery is a precision technique that we use to surgically remove skin cancer. It is usually reserved for ...

Department of Radiology; Chair, Lung Cancer Screening Committee, Iowa City VA Health Care System, Iowa City, Iowa Sarah L. Averill, MD has disclosed no relevant financial relationships.

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