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International Catalog Number
JS21 (CE  - European Manual)
JS22 (FCC & IC - English Manual)
JS2G (Chinese - Chinese Manual)
US Catalog Number
401-501 (FCC & IC - English Manual)

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Prodigi Color C-500R - Features
Controlling the light in front of your camera
Wireless Radio Triggering Mode
Digital and Film Compatible
Brightness and Color Value Display

Other Functions
Color Control Command Center
Optional Accessories for Wireless Radio Triggering

Controlling the light in front of your camera is the first step in your color workflow.
As long as you are working with a single light source, you can count on the white balance function of your camera or computer to get the color you want. However, add a second light, a light modifier, or work on location with today's mix of tungsten,halide, vapor and fluorescent lights, and you will either have to fix it up front or fix it later, if you can. How do you arrive at a common, single color tone that is easy for your camera or software to correct? How do you introduce additional flash illumination in the foreground without making it look like,well, additional flash illumination? And knowing that the color accommodation of your eyes and brain make unaided color adjustment nearly impossible to judge by yourself, how do you know how much color filtration is enough and when you've overcorrected? If color is important, a Sekonic C-500 Series color meter should be in your arsenal of photographic tools.

Wireless Radio Triggering Mode
The Prodigi Color C-500R is the first color meter to incorporate a flash triggering radio transmitter module. Simply press the measuring button to wirelessly trigger flash units up to 100 feet away. The built-in transmitter is compatible with PocketWizard radio triggering systems, as well as the PocketWizard Wireless Freedom partners (Photogenic, Norman, Lumedyne, Dyna-Lite and Profoto with built-in PocketWizard radio technology). TheWireless Radio Triggering Mode offers 32 digital coded channels and Quad-Triggering Zones.

Digital and Film Compatible
The Prodigi Color C-500R measures and displays color temperature and compensation values in LB/CC index or filter numbers for both digital and film cameras. In Digital mode, the color temperature and compensation readings are based on human visual response. In Film mode, readings are based on the color characteristics of traditional photographicfilm. By engineering the spectral characteristics of both systems into a single meter, Sekonic designers have given you greater control over lighting and color reproduction than ever before, regardless of your medium.

Engineering a meter to accurately measure color for both human visual response (digital sensors) and the characteristics of photographic color film required more that just creating a new set of algorithms to process the data.
Properly measuring red intensity was a major hurdle. Sekonic designers solved the problem by incorporating four color sensors: a Red sensor for visual/digital response (Rd); a Red sensor for photographic film response (Rf); a Green sensor (G); and a Blue sensor (B). They then developed a new "Simulated Spectrum" software solution (patent pending) that emulates the blue and green channel color response for both digital and film.

Brightness and Color Value Display
Illuminance Measurement
The brightness of continuous light sources is displayed in LUX (lx) or foot-candle (FC). Illuminance measurement is especially useful for cinematography, videography, theatrical and other applications that require precise control of light source brightness.

Color Temperature Display (in Kelvin)
The color temperature is displayed for human visual response in Digital Mode or the spectral response for photographic color film in Film Mode.

LB/CC Index Display
The LB (Light Balancing) in MK-1 (Per Mega Kelvin equivalent to Mired) and CC (Color Compensation) Index correspond to light source filtration systems.This simplifies the selection of amber (CTO) or blue (CTB) filtration as well as the amount of magenta or green (CC) filtration needed to balance the colorof the lights you are using.
Also, the correction values can be directly entered into the color adjustment mode of some professional DSLR cameras.

LB/CC Filter Number Display
Used primarily for film applications, amount of lens filtration needed is directly indicated in both LB (Light Balancing) and CC (Color Compensation) filter values. The display can be adjusted to read out in KODAK Wratten, LEE or FUJIFILM filter systems in the custom setting MENU.
Other Functions
Flash Color Measurement
Simultaneous color measurement of flash and ambient light is available in non-cord, cord and wireless modes at synch speeds from 1 to 1/500 second. Flash brightness is read in two intensity ranges, H (high) for high-power studio flashes or L (low) lower power or shoe-mount flash units.

Preset White Balance / Color Compensation Function
Nineteen presets enable adjusting display values to compensate for differences in film types, light sources, digital sensors, or personal preference. An eight-character readout on the display allows creating custom naming for easy identification of the compensation value.

Memory (Δ) Function
A simple way to observe differences in light-source brightness or color is with the C-500 Series memory function. Simply take a reference reading and press the memory (Δ) button. Then press the measuring button and measure any other light source to see the difference in brightness (foot-candle or Lux) or color (Kelvin or filtration).

Power Source

Uses convenient AA alkaline, lithium, or rechargeable batteries.

Custom Settings
1 Shutter speed steps (Full, 1/3 step or 1/2 step)
2 Target color temperature increments (100K, or 10MK-1 Step)
3 LB index display step (1MK-1, 1daMK-1 step, w/o decimal point, 1daMK-1step with decimal point)
4 LB filter number display (Kodak/LEE or Fujifilm)
5 Automatic power off setting (20, 10, 5 minutes, or no setting)
6 Illuminance measurement mode (No display, both lx & FC, either lx or FC)
Color Control Command Center
Easy, one-touch display. The world's most comprehensive arrayof color/illumination information. The Prodigi Color C-500R puts you in command of any color control situation.

Accessories for Wireless Radio Triggering
PocketWizard Plus II Transceiver
4-Channel auto-switching Digital Radio Transciever 1600 ft range. Ultra-fast processing for flash synch of 1/250th for focal plane, 1/1000th for leaf shutters and shooting at up to 12 frames-per-second. Relay mode enables meter or third PocketWizard to trigger camera-flash studio setup. Local/Remote control enables switching between camera mounted and remote triggers.Features extended battery life, shoe mount and 1/4"-20" mounting thread. Compatible with the first four channels of all PocketWizards. (Requires camera or flash connecting cables.Includes two "AA" Alkaline batteries.)

PocketWizard MultiMAX Transceiver
32-Channel Digital Radio Transceiver, with a 1600 ft+ range. Advanced features include: integrated "Trigger Time Control"software, "Selective Quad Triggering" for up to four zones of remote control lighting, and "Radio Trigger Confirmation" on all four Quad-Triggering Zones. At the flip of a switch it can be set to either transmit or receive radio signals or do both individually or simultaneously. The MultiMAX also includes an illuminated Soft-Touch keypad, Back-lite LCD panel, hot shoe mount and1/4-20 female mounting thread. Other features include 1/1000 sec. flash synch (in fast mode), contact closure adjustment, trigger counter, relay mode and optional flash confirmation sensor.

Learn more about Radio Triggering.

Sekonic C-500R Quick Start Guide

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Sekonic C-500R Quick Start Guide
Sekonic C-500 Color Meter Part 1: Features and Benefits
Sekonic C-500 Color Meter Part 2: How to Use the Color Meter
More about the C-500 Color Meter: Part 1
More about the C-500 Color Meter: Part 2
Sekonic C-500R: Color Meter at PhotoPlus Expo 2008

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Learn about Radio Triggering