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Next generation flashmeter. Polaris Karat suprises not only for his features, but also for high visibility LCD display. Innovation is for example flash duration and flash ratio measuring.

  • Product code: FY7899
  • Producer: Fomei
  • Warranty: 2 years
Need help?  Call +420 495 056 150
€ 350.60
€ 289.75 without VAT
Availability: In stock
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Easy, simple, precise

Backlight LCD display is a really big advantage of this device, but what next? For example user-friendly cross control buttons for easy adjustment and advanced ergonomy, thanks to flashmeter fit right into your hand.

White light measuring sensor is adjustable. You can measure more reflected light with retracted sensor. You can also measure incident light when you pull the sensor out.

Analogue camera owner will be pleased with ISO measuring from value 50.

Polaris Karat offers new functions for studio flasheads users:

FD - Flash duration

Measuring the duration time of the strobe flash.(T0.5: 1/100~1/9000).
Image 1

FR - Flash ratio

On Flash measuring, ratio of strobe light of overall light quantity is displayed. (in 1% increment).
Image 2

Multi flash

Fire flash once and shows multiple Aperture (F) from 2 to 9 flashes.

Auto ISO Mode:

Setting desired Aperture(F)and Shutter Speed(T)find appropriate ISO number.
Image 3

Contrast Function:

It shows the difference between average value and newly measured value by ΔEV. Useful for checking lighting evenness of backgrounds, and lighting ratio.
Image 4


Type: Hand-held meter for measuring ambient and flash light exposure
Light Receiving Method: Incident light and Reflected light
Sensor: Silicon Photodiode
Light Receptor:

Incident light: Retracted Lumisphere
Reflected light: 30 degree

Measuring Mode:

Ambient light: Shutter Speed (T) Priority, Aperture (F) Priority, EV, Auto ISO
Flash light: Shutter Speed (T), Flash Duration (FD)

Caribration Constant:

Incident light: C=340
Reflected light: K=14

Display Range:
ISO Sensitivity Value: ISO 50 to 32000 in 1/3 stop increments
Shutter Speed (T):

Ambient light: 60 sec to 1/8000 sec (plus 5 most useful speeds)
Flash light: 60 sec to 1/1000 sec

Aperture (F): F0.5 to F90+0.9 (in 0.1 step)
EV Value: -0.9 to 29.2 (in 0.1 step)
Multi Flash: Fire flash once and shows multiple Aperture (F) from 2 to 9 flashes
Flash Ratio: 1 to 100% (in 1% increment)
Range limit: “Eu” for under range, “Eo” for over range
Error: Err: Flash Waiting Time Over, 1/100 (in red): Flash Amount Under, 1/9000 (in red): Flash Amount Over
Program Level (PL): -0.9 to +0.9 (in 0.1 step)

Battery: Two AA 1.5V Batteries (Alkaline, Manganese, Lithium, or Nickel Base)
Dimensions: Approx. 65 (W) x 159 (H) x 24.5 (D) mm (※excluding protrusions)
Weight: Approx. 100g (※without battery)
Includes: Soft case with belt clip, Neck Strap, Quick Manual
Battery Check: 4 levels

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