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Chinese Großhandel LED High Bay - 100W für Ungarn

Chinese Großhandel LED High Bay - 100W für Ungarn

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Wir hängen von stabilen technischen Kraft und ständig schaffen anspruchsvolle Technologien , um die Nachfrage von zu erfüllen Chinese Großhandel LED High Bay - 100W für Ungarn, Produkte gewonnen Zertifizierungen mit der regionalen und internationalen Primär Behörden .Für weit ausführlichere Informationen, kontaktieren Sie uns bitte!

Wir unterstützen unsere Kunden mit ideal qualitativ hochwertige Produkte und hohe service.Becoming den Spezialhersteller in diesem Bereich haben wir reiche praktische Erfahrung in der Herstellung und managing.Our LED-Mais-Licht, 140LM ​​/ W-Schlauch, LED-Instrumentenbeleuchtung, LED High Bay gewonnen Licht, LED-tri-proof-Licht, LED Flutlicht, LED-Wand-Satz, LED-Überdachung-Licht, LED-tri-Beweis Licht, Einzelteile gewannen Zertifizierungen mit den regionalen und internationalen Primär Behörden weit ausführlichere Informationen .Für, kontaktieren Sie uns!

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  • Bis zu 100 lm / W, ein direkter Ersatz für 250W MH hohe Bucht, 60% Energieeinsparung.

  • 45 & deg; und 100 & deg; Strahlen sind für eine optimale Lichteffekte zur Verfügung.

  • Aluminium-Druckguss-Getriebe, lackiert, abrieb- und korrosionsbeständig.

  • Phasenwechsel Kühlung sowie gerippte Kühlkörper, erweitern erheblich die Leuchtenlebensdauer.

  • Reflektor aus eloxiertem Aluminium, 1,2 mm dick, matt Innenausbau,

  • Verringerung der Blendung und die Verbesserung der Sicherheit.

  • Universal AC-Eingangsbereich, 90-305V AC, 50 / 60Hz.

  • 5-Jahres-Garantie bietet vollständige Ruhe.


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    Comparazione di 5 lampadine a führte cinesi in formato H7 dall’assorbimento alla luminosità.



    https://www.learningdslrvideo.com/halogen-vs-florescent/

    In this video I compare the quality of Halogen to Fluorescent Beleuchtung for video work.

    I have been using halogen work lights for Beleuchtung my studio videos for many years. I have a project coming up where I need good portable Beleuchtung and my halogen’s are really not that portable.

    The halogen lights give good results for a small price but they have several issues with them. They use a ton of current, this one set of lights is using about 900 watts. They also are very hot, so hot I never leave them unattended. Needless to say they are also not very professional looking. They don’t mix well with daylight because of their lower color temp.

    There are so many types of lights out there, but which is best for portable use? I see HMI’s used on movie sets, but after looking at the pricing I can take that off my list. I also hear good things about Tungsten lights, but after talking to a Westcott rep, Tungsten bulbs only last about 80 hours, I can take them off the list too.

    I am looking for something that runs cool and doesn’t take a ton of power.

    So what does that leave me with, LED and Florescent. LED’s are coming down in price and coming up in quality and I will be review them soon, but for this video I want to compare where I started (Halogen) from to where I might be heading (Florescent).

    My first question I have is which is better, Halogen or Florescent in terms of quality. My halogen’s have a color temp of about 3,200K while the Westcott softbox that B&H sent me which has Fluorescents is 5,500K. It is easy enough to white balance both sets of lights to make them look similar but I am more interested in the quality of Lichtstreifen. I want accurate skin tones.

    From what I understand one way to measure the quality is with CRI, color rendering index. From what I understand the higher the CRI the better, for instance daylight has a highest rating of 100. If you have a very low number for instance 20 for mercury-vapor you might see in a parking lot or street Lichtstreifen makes colors looks drab and boring. Anything above 90 renders colors very accurately. For those wondering a normal Incandescent and halogen bulbs have a CRI of 100, Tungsten is around 95 for the research that I have done.

    The Westcott florescent bulbs CRI is rated 93+. As you can see the quality of Lichtstreifen for the Fluorescents are about the same as the halogen.

    The Westcott bulbs are dead silent.

    I didn’t see any flicker with the lights but I did notice banding happen above 160 shutter. The LED that have banding all over the place except for 60, 30 and 40.

    So it looks like the Fluorescents are OK to use if you have a good quality bulb like these from Westcott. In my next video I am going to do a full review of the Westcott.

    Royalty Free Music by Premiumbeat.com, song is “New York Club”.

    Thanks to Joel Young for the opening bumper.

    Westcott Softbox:

    https://www.bhphotovideo.com/c/product/755471-REG/Westcott_6892_Spiderlite_TD6_Medium_Daylight.html/BI/6499/KBID/7145

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