FX Luminaire is an industry-leading manufacturer of landscape and architectural lighting products with a focus on the advancement of LED technology.

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Overnight visitor accommodation with exceptional or distinguished quality starry nights and a nighttime environment preserved through on-site DarkSky Approved lighting.

DarkSky Approved Lodging may include, for example, hotels, resorts, retreat centers, cabins, and other permanent structures for overnight accommodations that promote ecotourism, or astrotourism and are situated in dark sky locations.

Products that emit light by luminescence alone after having been exposed to light during the day. These are typically used only for wayfinding, as the light output is low but sufficient in areas with minimal ambient light.

The seal of approval was adopted in 2022. You may also see the legacy logo applied to retail packaging by many manufacturers.

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Epix30+ offers an exclusive design with integrated position and R65-approved strobe lights, keeping you visible with style.

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The distance from the focal point to the lens is called the focal length (f). The reciprocal of the focal length is a measure of how strongly an optical system ...

Of all the animals on our planet, perhaps none are under more threat from light pollution than sea turtles. Sea turtles live their whole lives in the ocean, but hatchlings are born on sandy beaches at night, and must find the ocean by the light of the horizon.

Edmund Scientific Co | 1983 Holiday Sale Catalog 8310 Technology Telescopes. eBay.com. Edmund Scientific Co | 1986 Annual Catalog 8609 Technology Telescopes.

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Products that regulate the intensity of a luminaire’s light output, such as by dimming, switching, and/or programmed times of operation.

Two such achromats, arranged symmetrically, form a Rapid Rectilinear (or Rapid Aplanat), which corrects more lens aberrations.

Outdoor sports lighting installations or retrofits that minimize or eliminate glare and light trespass, and protect wildlife.

Our program offers clear guidance to municipalities, lighting designers, and citizens for best-in-class sports field lighting. We offer rigorous independent third-party certification of fields that meet our exacting standards.

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Hyperion Optics has become a influential cylinder lens supplier after so many years development. There is a wide range of optics of cylindrical lenses in ...

Obiettivo per telecamere innesto passo CS mount ( Ø 25,4 mm passo 32" ). Focale 12 mm apertura F 1:1,2 con diaframma. Messa a fuoco manuale. Dati tecnici:

Light pollution is the human-made alteration of outdoor light levels from those ocurring naturally. It has harmful effects on:

The DarkSky Approved program provides objective, third-party certification for products, designs, and completed projects that minimize glare, reduce light trespass, and don’t pollute the night sky.

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2024619 — Description. Flash Jasper (Tiger Tail) Chihuahua, Mexico Rough Rock approx. 6″ x 3.25″ x 1.25″ 1.68 lbs ...

Asphärische Kondensorlinse. •. Plankonvex Zwischenlinse im Lampengehäuse. •. Zoom Optik mit zwei Plankonvexlinsen. •. Zoomverschiebung zur ...

Sea turtle sensitive light fixtures are designed to keep light where it is needed — pointed downward — and limit the light spectrum emitted.

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The DarkSky Approved program provides objective, third-party certification for lighting products, lighting designs, and installed lighting projects that minimize glare, reduce light trespass, and reduce light pollution. To be certified, they must:

2023512 — What sets these systems apart from the rest? What are the main features? Although components of the RGBW lighting system were inspired by our ...

r/4x4 - Are there any companies that sell WARM white LED spotlights? 7 upvotes · 6 comments ...

Light fixtures that have been proven to significantly reduce light pollution through strict control of distribution and color, as well as the use of shielding.

The Outdoor Sports Lighting program encourages and promotes community-friendly sports lighting designs that minimize light pollution.

The achromatic lens is a simple solution to reduce chromatic aberration. It is a lens consisting of one group of two or three lens elements of different glasses, which may be cemented, and designed so that the chromatism of one element is offset by that of the other. An old landscape lens may consist of such a group, i.e. a biconvex crown glass element and a biconcave flint glass element. Other achromatic lenses use other variants of concave flint and convex crown glass. Many box cameras have a meniscus achromat. In addition to the correction of chromatic aberration, Greenleaf (1950) states that compared with the simple meniscus lens, a skillfully designed meniscus achromatic lens exhibits also reduced spherical aberration and coma.[1]

Sea turtle sensitive light fixtures are designed to keep light where it is needed — pointed downward. Sea turtle friendly light sources limit the spectrum of light emitted to minimize the impact on hatchling turtles and egg-laying mothers.