2016422 — If you are opting for an interchangeable lens camera to achieve your photographic ambitions, you'll not only have to decide between mirrorless ...

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2 Megapixel White Dome Camera, Model PAR-ALLDIRS2812D, Paramont Series. PAR-ALLDIRS2812D: 2 Megapixel Indoor Dome, 2.8-12mm

EnergyEarth has created this lightbulb buying guide to help you make an educated decision when it comes to updating the bulbs in your home. Can’t find the information you’re looking for? Contact us with any questions about LEDs or other energy efficient products for your home.

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Binoculars sizes in comparison - here you can nicely see how different the apertures can be. The larger the lens, the more light the binoculars will gather. In principle, binoculars are manufactured for various purposes. A pair of 10x25 binoculars is built especially for people who prefer to use something very compact, which will also fit in the pocket. These binoculars are very light in weight and are ideal for day-time observing. If you are hiking in the mountains and your backpack is already heavy, a very large pair of binoculars would add unnecessary weight for you to carry. 8x42 or 10x42 roof prism binoculars have meanwhile become popular as universal binoculars. They are very compact, but still gather enough light to be able to observe in low light conditions or early twilight.

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Ready to make the switch? EnergyEarth is here to help make it easy for you. The lightbulb lumens to wattage chart below will help you understand which LED bulb is comparable to your current incandescent bulb. Simply take your current incandescent watts and select the corresponding LED bulb equivalent on the lumens brightness scale. Pay close attention to lumens, since this number indicates the brightness, or light output, of the bulb. To save the most energy, choose the bulb with the lowest wattage suitable for its usage.

We typically think of the brightness of a lightbulb in wattage. However, wattage simply represents the amount of energy needed to use the bulb. The lumens scale indicates the brightness of a bulb and should be used when selecting your new LED. To save the most money on your electric bills, replace your bulbs with the lowest wattage for the desired lumens (brightness). We make it easy for you by listing the comparable incandescent wattage on every lightbulb product page.

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Beyond replacing your old incandescent with LEDs, there are lots of changes you can make that will save you money and energy in the long run.

Depending on the binoculars you’re looking at, you'll see printed values such as: 10x25, 8x42, 7x50, etc. But what do they mean?

Eye. Our eyes contain an array of interconnected nerve fibres and cells that can sense the intensity of light and colour. For instance, the retina contains ...

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The combination of both values must always complement one another. So we can't just make binoculars with the values 25x25. The amount of light that would reach the eye would be far too small to make any sense.

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The magnification of a pair of binoculars is an important factor, but it is by no means the only relevant feature. Magnification is just one of many parameters. However, there is often a general view that the higher the magnification, the better the binoculars will be. That's definitely not the case. The combination of magnification and lens aperture is what really matters. But first of all, it is important to understand the labelling on binoculars.

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How do I identify the aperture and magnification of a pair of binoculars? And what are these numbers actually telling me?

3D cameras capture images of the trolley wheels that are automatically inspected using predefined profiles. Trolleys with damaged or worn wheels are ...

Lighting your home or business comprises around 15% of your overall energy bills. On average, $200 is spent each year to light your home. These numbers may not seem like a lot, but consider this—you can cut that expense in half with little cost and almost no effort on your part. By simply replacing incandescent lightbulbs with LEDs, you can significantly lower your home's energy costs and help reduce your carbon footprint

FH Camera, high speed, 12 MPixel, C-Mount, global shutter, monochrome.

Light color, or color temperature, is measured using the Kelvin scale. LEDs are available in warm colors (low k) to match the yellowish light of incandescent bulbs, but you can also choose cooler colors (high k) with whiter or bluer light. Here’s a color temperature chart for reference:

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You will want to factor in your specific application and the type of fixture you have to ensure you select the proper bulb for your home.

It is actually quite simple. The first value always indicates the binoculars’ magnification. With 10x25 binoculars, the magnification is 10 times. The second value always indicates the aperture in millimetres. With a 10x25 glass this is 25 mm and for an 8x42 it is 42 mm.

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On the other hand, binoculars with high light gathering power are most suitable for observers (e.g. hunters) who want to recognise animals at dusk and at night. In this case, you would choose devices with 7x50, 8x56 or 9x63. The upper end of this range is known as large binoculars. These are usually understood to be binoculars with very large lens apertures from 70 to 100 mm. They collect 4 times more light than universal binoculars, and are popular for observing stars or for observing the landscape using a tripod.

This type of abbreviation can be found for any binoculars that you can buy from us. It specifies the magnification and the size (aperture) of the binoculars’ objective lens. The first number represents the magnification, in this case therefore it is a magnification of 10x. The second number represents the size of the objective lens, which is always expressed in millimetres. A 10x42 binoculars therefore has a 42 mm objective lens.

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CFLs were once the cutting edge of energy efficiency. So where did they go? The short answer is LEDs came along and made them obsolete. LEDs are more efficient, longer lasting, and safer than any other bulb on the market.

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