Luminaire Comparisons

Produced by:

Light Modifiers Rental
 

Written by:

Camrin Petramale & Neil Adamson

Distribution

Falloff

Color

Results

Results

Results

Features

Overview

In addition to photometric data, information about a fixture's features is vital to choosing any job's  lighting package. Below, we have included descriptions of features included in our final overview.

Wattage -  An amount of power, especially electric power, expressed in watts or kilowatts.  U.S. power (60 Hz AC, 240V/120V)

Watts = Volts x Amps

Battery

  • V-lock- aka the v-mount.  Mounts to the battery plate via a v-shaped locking mechanism. these batteries dismount by sliding up. Ranging in different sizes and voltages.

  • Gold mount- aka the AB (Anton Bauer) Mount, has a secure three gold-stud mounting solution. To dismount the battery, you have to slide it out from the battery plate sideways. Giving it a secure point. Ranging in different sizes and voltages.

  • P-tap- aka  D tap is the female power port found on the battery. Voltage between 7.2 to 16.8 volts.

  • Barrel Connector- 2.1mm DC barrel 

Weather conditions for batteries: at 40ºC, they discharge at 15%. They charge faster and work better at lower temperatures, typically between 0ºC and 45ºC (32-113ºF). Li-ion batteries start losing their energy capability below 0ºC. batteries are okay for all other conditions between 0ºC and 45ºC (32-113ºF).

Equation:

Runtime (hours)= Battery Capacity (Watt hours) /Light's Power Draw (Watts)

Example :

Ds1- Runtime = (2*190Wh) / 140W

Runtime = 2.71 hours, or 162 minutes with 2 of those 190Wh batteries

IP rating - IP or "Ingress Protection"  ratings are used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies ie. dirt, dust, and moisture.

Weight - in lbs

Source Description - How a fixture generates light.

CCT range - CCT stands for Correlated Color Temperature. It defines color, not brightness of a light source and is measured in degrees Kelvin.  Values are used to communicate the "warmth" or "coolness" of the light emitted by the source.

Effects - Lighting effects to choose from that are built into a fixture's programming.

​Mounting size -

1 1/8th inch  28mm = JR. spud

5/8th inch 16mm = Baby  pin

Wireless - Built in wireless control for a fixture.

​DMX - DMX stands for Digital Multiplex It is a digital signal protocol; it defines the structure of a signal that is sent by a lighting controller to fixtures. The DMX protocol defines a Universe  as 512 channels.  A DMX signal consisting of a header followed up to 512 channels of data. Each channel of data includes 8 bits of data, representing a value between 0-225.  Each channel values are refreshed 44 times a second the bandwidth required for DMX is 180Kbits/sec. DMX uses a 5pin XLR cable or a Cat5 cable. DMX signal can be transmitted wireless with a wireless transmitter and receiver.

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With producer mentality in mind, Light Modifiers Rental helps staff productions from music videos to large commercial projects and indie films. Being union friendly allows us to recommend great candidates from HMU to DPs for your production. 

Contact Us

2414 West Cullerton 
Chicago, IL 60608
Tel: 773-940-2654

bookings@lightmodrents.com

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Light Modifiers Rental is a Subsidiary of Light Modifiers, your friendly neighborhood lighting guys