Sekonic Litemaster Pro L-478D Light Meter

Model #401-478

Sekonic 401 478 1
Sekonic 401 478 1
Sekonic 401 478 2
Sekonic 401 478 3
Sekonic 401 478 4
Sekonic 401 478 5
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General Information

Metering Method Incident light and reflected light (with optional attachment)
Receptor Head Lumisphere convertible to flat diffuser (with retracted Lumisphere)
Receptor Element Silicon photo diodes
Measuring Modes Ambient: Aperture priority measuring, Shutter speed priority measuring, TF priority measuring, Cine measuring, HD Cine camera measuring, Illuminance measuring (lux, foot candle), Luminance measuring (foot-lambert, cdm2)
Flash: Cord Mode (with/without multiple cumulative), Cordless Mode (with/without multiple cumulative)
Measuring Range Ambient- Incident: EV -2 to 22.9 (approx. f/2 at 15 sec. to f/22.9 at 1/8000 sec.) / Reflected: EV 3 to 19.9
Flash light- Incident: f/1.0 to f/128.9 / Reflected: f/2.8 to f/128.9
Illuminance- 0.63 to 2,000,000 lux / 0.10 to 180,000 fc (EV -2 to 19.6)
Luminance (Reflected Light)- 1 to 980,000 cdm2 (EV 3 to 22.9) / 0.29 to 290,000 fl (EV 1.5 to 22.9)
Repeat Accuracy +/- 0.1 EV or less
Calibration Constant Incident: Lumisphere C = 340, Flat C = 250
Reflected: K = 12.5
Power Source 2x AAA dry cell batteries (alkaline, manganese, lithium, nickel hydride, or nickel-based)
Operating Temperature 14-122°F / -10-50°C (no condensation)
Storage Temperature -4-140°F / -20-60°C (no condensation)
Dimensions 2.2 x 5.5 x 1" / 57 x 140 x 26 mm
Weight 4.6 oz / 130 g (without batteries)
User Reviews
B h photo.32817553
3 August 2017

So I'll make this short and sweet. I use it for cinematography, metering on set for ambient light. This meter was just too slow, the bootup time is such a drag coming from an l-758. The touch responsiveness wasn't that great, the buttons were slow to respond/load.

B h photo.32817553
18 August 2017

Actually have not used this much yet, but I have looked over the interface and i like how it's pretty easy to use. (Just wish it had an incident meter! :( )

B h photo.32817553
20 March 2017

A great addition to the meter. Helps narrow the metering angle for tele glass.

B h photo.32817553
10 March 2017

Best light meter for film. Goes up to high ISO and is super user friendly with the touch screen. If it broke i'd buy the same one again.

B h photo.32817553
23 February 2017

I have used few other Sekonic light meters before. I have owned the L-508 before, I thought I was upgrading when I bought the L-478 and sold the L-508. I was wrong !I thought it was a total downgrade; perhaps my unit wasn't accurate especially doing measuring strobes.

B h photo.32817553
17 February 2017

Like my mother-in-law said.....better than nothing. I prefer one degree. But it does the job far better than nothing. Best use for spot meter the highlight zone for setting the mid tone.

B h photo.32817553
17 February 2017

Awesome, easy to get started using. More features than I think I will be needing for some time but very glad I got it.

B h photo.32817553
14 February 2017

A great light meter for speedlight or strobe photography. The only downside is that the 5 degree spot meter attachment is extra.

B h photo.32817553
6 February 2017

I've been using a Sekonic L-518 for over twenty years and that is my comparison reference for the L-478. What's immediately noticed as missing from the L-478 is the ability to take reflectIve light readings without the optional spot attachment.

B h photo.32817553
28 December 2016

I love my Sekonic 478DR lightmeter and working with it has always been a joy. With buying the spot meter attachment I was believing to get something adequate in quality for my money.

Product Highlights
  • Color Touch Screen Interface
  • Still, Cine, Incident, Reflected, Flash Exposure Meter
  • Custom Exposure Profiles and Calibration
  • Flash Exposure Analyzing Function
  • Adjustable Menu Navigation
  • Retractable and Removable Lumisphere
  • AAA Battery Power Source
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