Description: 15 Density Steps Logarithmic Grayscale This 8.5" x 11" white photographic paper variable density target offers a convenient means of testing the gray level performance of optical systems.

Optical parametric oscillators simultaneously generate two beams of coherent light that are widely tunable in wavelength. This flexibility makes them a popular tool in various areas of scientific ...

Optical physics is the study of the fundamental properties of light and its interaction with matter. This includes classical optical phenomena such as reflection, refraction, diffraction and ...

All zoom lenses in film cameras and digital single lens reflex (DSLR) cameras are optical zoom. Digital point-and-shoot cameras as well as consumer and prosumer video camcorders have optical zoom ...

HILLIARD, Ohio — Voters seemingly passed a levy and bond issue in Hilliard that will help build new elementary schools and provide renovations to school playgrounds and extracurricular areas ...

HILLIARD, Ohio (WCMH) – A winery featuring a selection of wines and food is now open in Hilliard. Firefly Winery is welcoming ...

Target is one such retailer that offers early holiday deals that could help you save money. Got someone on your list who loves all things tech? An iPad would make for a thoughtful present.

Use these 9 Target promo codes to save with the well-known US mega-retailer, including video games, kitchen appliances & more. All coupon content is created by Tom’s Guide. We may earn a ...

A 13-year-old male has been charged with felonious assault in connection with the stabbing of another student Monday morning in a section of Columbus' Far West Side where students attend Hilliard ...

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Target is slashing prices on more than 2,000 items, marking the second time this year that the retailer cut customer costs as it attempts to attract inflation-weary shoppers ahead of the holiday ...