Product Highlights
  • Measures LED, HMI Fluorescent, Tungsten & Natural Light
  • Ambient & Flash Photo Mode
  • 1 lx to 200,000 lx Measuring Range (Ambient)
  • 238 g (8.4 oz) Weight
Sekonic C-700R Spectro Master Colour Meter FCC Version Sekonic C-700R Spectro Master Colour M...
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The Sekonic SpectroMaster C-700R is designed for professional photographers who must produce quality results with proper subject color while working with multiple types and brands of light sources. A full-spectrum color meter, the C-700 can precisely measure LED, HMI, and Fluorescent as well as tungsten and natural light. It is the only meter of its type that can measure flash illumination with wireless triggering. The C-700R’s large color touch screen displays light-source color spectrum for single sources or multiple sources comparison plus Kelvin (correlated color temperature), CRI (Color Rendering Index), Illuminance (footcandle or Lux) and light source filtration values in Mired, CC as well as filter correction values for major light source and lens filter brands. Its high-resolution measuring system, featuring CMOS sensor, enables capturing spikes in light source output to provide unsurpassed color measurement accuracy. Different than any spectrometer today, the C-700R meter not only displays more light-source information, it also provides standard filtration information to correct and modify light color for cleaner recording and simpler post process.

Using color filters and yesterdays color measuring instruments, imaging shooters around the world managed to control color in their images. Today’s digital shooters remain unchanged in their desire to control color precisely, while the diversity of lighting sources is ever-changing. With the popularity of LED lighting, the need for a color meter that can measure it and all light sources has become critical to ensure accurate color fidelity.

The NEW Sekonic SpectroMaster C-700/C-700R series is the first spectrometer that measures every light source (LED, HMI, Flourescent and the natural light spectrum)  PLUS wireless flash (C-700R only). In addition, with its CMOS linear sensor, the SpectroMaster C-700/C-700R makes it possible to measure in 1 (nm) increments, capturing spikes in light source output, especially fluorescent and LED lighting, providing unmatched color measurement accuracy.

The Ultimate Tool for Colour Control

Precise measurement of LED, HMI Fluorescent, Tungsten and the natural light spectrum

The C-700 series incorporates a CMOS linear sensor, that measures and evaluates the true color temperature of a light source from 380 to 780 nanometers (nm) in 1 nm output wavelength increments. What makes the C-700 series truly unique and exceptional is its ability to not only measure conventional light sources but also emerging light source technology. Its exclusive ability to measure in 1 (nm) increments captures spikes in light source output, especially fluorescent and LED sources, providing unmatched color measurement accuracy. The C-700 series conforms to the requirements for Class A of JIS C 1609-1:2006 (illuminance meter part 1).

Flash Measurement

The C-700 series measures electronic flash and displays color data for accurate white balance, camera and light source filtration and spectral color precision. Color temperature reads are displayed in Kelvin and illuminance readings in lux or lux sec. Electronic flash units are triggered and measured by PC cord, cordless mode or with the C-700R built-in PocketWizard wireless triggering system.

Wide Measuring Range of Colour Temperature and Illuminance

A wide correlated colour temperature range (1600 to 40,000K) and Illuminance (1 to 200,000lx) offer the flexibility and accuracy to measure any light source in any demanding studio or on-location production.

Various Displays




The TEXT screen displays user selected measurement values. Real time measurements appear and are updated after every reading,
next to their light measurement values.










The Main screen offers quick selection of many of the C700 series functions at a touch of a finger.










The CRI Screen displays the standard colour reference values (including R1 thru 15) as a percentage of the light sources ability to reproduce a colour accurately, a compared to the Ra standard.









The Spectrum screen displays the spectral energy distribution of a source in real time. It can be displayed as a graph and data or full screen.






Product Specifications


Detailed Specifications
Illuminance Meter Class Conforms to requirements for Class A of JIS C 1609-1: 2006 "Illuminance meters Part 1: General measuring instruments"
Sensor CMOS Linear image sensor
Spectral Wavelength Range 380nm to 780nm
Output Wavelength Pitch 1nm
Measuring Range Ambient Light (1 to 200,000lx = 0.09 to 18,600fc)
Flash Light
Accuracy 4, 5 (Standard Illuminant A) Illuminance: ±5%±1 (1 to 3,000 lx), ±7.5MK±1digit (3,000 to 200,000 lx) of displayed value
CCT: ±4MK-1 (Standard Illuminant A, 800 lx)
Repeatability (xy=Standard Illuminant A) Illuminance: 1%+1 digit (30 to 200,000 lx), 5%+1 digit (1 to 30 lx) of displayed value
CCT: 2MK-1 (500 to 100,000 lx)
CCT: 4MK-1 (100 to 500 lx)
CCT: 8MK-1 (30 to 100 lx)
CCT: 17MK-1 (5 to 30 lx)
Visible-region Relative Spectral Response Characteristics (f) within 9%
Cosine Response (f2) Within 6%
Temperature Drift (fT) Illuminance: ±5% of displayed value
CCT: ±12MK-1 (Standard Illuminant A, 1,000lx)
Humidity Drift (fH) Illuminance: ±3% of displayed value
CCT: ±12MK-1 (Standard Illuminant A, 1,000lx)
Power Source AA (1.5V) x 2 pcs, USB bus power
Measurement Time Ambient Max.: 15 sec.
Ambient Min.: 0.5 sec.
Flash: 1 to 1/500s (in 1, 1/2 or 1/3 steps) also 1/75, 1/80, 1/90, 1/100, 1/200, 1/400
Measuring Modes Text mode, Spectral graph mode, CRI mode, Lighting filter mode, Camera filter mode, Spectral comparison mode, Multi Lighting Mode, White Balance Mode
Other Functions Digital/Film mode, Data memory: 99 data, Preset Function, Auto power off, Auto Dimmer
Display languages English, Japanese, Chinese (Simplified)
Interface USB 2.0
Operating Temperature -10 to 40 deg. C
Storage Temperature -10 to 60 deg. C
Dimensions 73w x 183h x 27d (body), 40d (light receiving part) mm (2.9w x 7.2h x 1.1d, 1.6d inches)
Weight 230g (C-700), 238g (C-700R) without batteries

Questions & Answers

Sekonic C-700R Spectro Master Colour Meter FCC Version

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