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Comparison Osram Night Breaker Laser H7 64210NBL-HCB vs Philips Racing Vision H7 2pcs

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Osram Night Breaker Laser H7 64210NBL-HCB
Philips Racing Vision H7 2pcs
Osram Night Breaker Laser H7 64210NBL-HCBPhilips Racing Vision H7 2pcs
from $26.09 
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from $32.98 
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Typehalogenhalogen
Number in set22
SocketH7 / PX26dH7 / PX26d
Rated power55 W55 W
Voltage12 V12 V
Brightness1500 Lm1500 Lm
Lifespan B3300 h
Lifespan Tc500 h
Increased brightness130 %150 %
Light colourwhitewhite
Added to E-Catalogdecember 2016december 2016

Lifespan B3

Guaranteed lamp life according to B3 standard. In fact, this is the longest time that the lamp can continuously work with a 97% guarantee (it is impossible to provide a 100% guarantee in principle). This parameter is measured as follows: a test batch of lamps is used until 3% of them fail, the resulting time is indicated in the characteristics.

Other things being equal, longer-lasting lamps naturally cost more, but longer service life compensates for this disadvantage. Separately, we note that you should not confuse the guaranteed service life with the manufacturer's warranty — the conditions and warranty period may be different even for lamps with the same B3.

Lifespan Tc

The maximum continuous lamp operation time. This indicator is quite approximate and the probability that the lamp will work during this period is approximately 1 in 3. This is due to the measurement technique: a control batch of lamps is used until 63.2% of them fail, the resulting time and indicated as "maximum service life". However, the Tc data compared to the B3 guaranteed life (see above) provides a good estimate of the overall lamp life and its ability to last beyond the guaranteed life.

Increased brightness

The level of increased brightness provided by the lamp. This indicator is used by some manufacturers for marketing purposes: it describes how brighter a given model is than some "standard lamps". At the same time, the standards for comparison may be different, and impressive figures (in some models reaching 140%, that is, almost 2.5 times) are not always reliable — that is, a high-brightness lamp will not necessarily be just that much brighter than the “normal” model of the same type and power.
Osram Night Breaker Laser H7 64210NBL-HCB often compared
Philips Racing Vision H7 2pcs often compared