2010年10月20日 星期三

Buyer's guide to mountain bike lights

Buyer's guide to mountain bike lights

That’s because even with a bar and helmet light you’re only lighting the trail with two light sources rather than all-round light saturation, and you’re only seeing a very small part of the picture rather than the whole trail in its landscape context. Different colour ranges also makes it hard to pick out surface texture and detail that’s vital for assessing grip.

In some damp wooded or misty/foggy situations, more light can actually cause more bounced back glare than lower powered lights. The most powerful lights are often overkill anyway,Like this, you can set table lamps a mood or read a book or sew with great ease. Remember that lots of lighting sources are necessary within any room. because you can't focus that far away. They are useful, however, if you're riding in front of someone who has a bright light that would otherwise leave you riding in your own shadow.In order to perform your work more accurately in the kitchen, you need to have adequate illumination Led bulb light or task light in the key work areas. These work areas include the counter, range, sink, island and table.

As a rough rule, anything under 100 lux means you’ll be stumbling along fairly slowly on all but the smoothest trails. A focused 150 lux output is enough for a useful helmet light, but a bar mounted flood will be low on reach.The sink area can also benefit from recessed downlight or track lights using either fluorescent bulbs two 75-watt incandescent bulbs or two 30- watt fluorescent bulbs placed about 24 inches above the sink. 200 lux is enough for confident riding at middle ring speeds on most trails, while 300 lux plus means you can properly push the pace pretty much everywhere.

If you’re wondering why we’re using lux readings rather than the lumen or candlepower figures normally quoted, it’s because they’re more practically relevant than figures based purely on power. More on that in the science bit below.

Name brands vs internet deals

For as long as we can remember, riders have been tinkering with piles of bits from an electronics catalogue to create their own light setups. While the results can be impressive in output terms, their reliability and level of finishing can be very poor.

Should anything go wrong you’re also dealing with an enthusiastic amateur at best rather than a proper company with readily available spares, sorted customer service plus insurance if something goes really wrong.Every room stands to benefit from various light sources. This helps to create atmosphere. It also helps those who Insulator live there accomplished and complete tasks that require good light.

The global reach of the internet means you can also buy bargain lights direct from the Far East. From our experience, initial performance fades pretty fast and with no formal backup, you’d best be handy with a soldering iron or prepared to throw them away and buy a new set (or at least a new battery) after a season of use.Using an led downlight to light a room gives choice a deal of choice to the homeowner with a variety of options available, such as coloured LED bulbs to create different lighting effects within the home from what you would typically find.

沒有留言:

張貼留言