The Guidenumber - GN

Canon

Speedlite 430EX II

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 80, 105
(Wide Panel 14 mm)

Guide Number:
L: 31 at 35mm - L: 43 at 105mm*

Speedlite 580EX II

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 80, 105
(Wide Panel 14 mm)

Guide Number:
L: 36 at 35mm - L: 58 at 105mm*

Speedlite 600EX
Speedlite 600EX-RT

Control Range:
1/1 to 1/128

Focal Length:
20, 24, 28, 35, 50, 70, 80, 105, 135, 200
(Wide Panel 14 mm)

Guide Number:
L: 36 at 35mm - L: 60 at 105mm*

* By the manufacturer default specified value

Nikon

Speedlight SB-900 / SB-910

Control Range:
1/1 to 1/128

Focal Length:
17, 18, 20, 24, 28, 35, 50, 70, 85, 105, 120, 135, 180, 200
(Wide Panel 14 mm)

Guide Number:
L: 35 at 35mm* - L: 56 at 200mm

Speedlight SB-800

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105
(Wide Panel 14 mm)

Guide Number:
L: 38 at 35mm* - L: 56 at 105mm

Speedlight SB-700

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105, 120
(Streulicht 14 mm)

Guide Number:
L: 28 at 35mm* - L: 38 at 120mm

* By the manufacturer default specified value

Metz

mecablitz 64 AF-1 digital

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105, 135, 180, 200
(Wide Panel 12 mm)

Guide Number:
L: 36 at 35mm - L: 64 at 200mm*

mecablitz 58 AF-2 digital
mecablitz 58 AF-1 digital

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105
(Wide Panel 12 mm) (Wide Panel 18 mm - at AF-1 digital)

Guide Number:
L: 35 at 35mm - L: 58 at 105mm*

mecablitz 52 AF-1 digital

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105
(Wide Panel 12 mm)

Guide Number:
L: 32 at 35mm - L: 52 at 105mm*

mecablitz 50 AF-1 digital

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105
(Wide Panel 12 mm)

Guide Number:
L: k. A. at 35mm- L: 50 at 105mm*

mecablitz 44 AF-1 digital

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105
(Wide Panel 12 mm)

Guide Number:
L: 27 at 35mm - L: 44 at 105mm*

* By the manufacturer default specified value

Sony

Sony F60M (HVL-F60M)

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 105
(Wide Panel 15 mm)

Guide Number:
L: 36 at 35mm - L: 60 at 105mm*

Sony F43M (HVL-F43M)

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 105
(Wide Panel 15 mm)

Guide Number:
L: 25 at 35mm - L: 43 at 105mm*

* Vom Hersteller standardmäßig angegebener Wert

Leica

Speedlight SF 58

Control Range:
1/1 to 1/256

Focal Length:
24, 28, 35, 50, 75, 90, 105
(Wide Panel 18 mm)

Guide Number:
L: 35 at 35mm - L: 58 at 105mm*

* By the manufacturer default specified value

Yongnuo

YN600EX-RT

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 80, 105, 135, 180, 200
(Wide Panel 18 mm)

Guide Number:
L: k. A. at 35mm - L: 60 at 200mm*

YN-568EX II
YN-565EX
YN-560 Mark III
YN-560 Mark II
YN-660

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 80, 105
(Streulicht 18 mm)

Guide Number:
L: 39 at 35mm - L: 58 at 105mm*

YN-468 EX (Nikon)

Control Range:
1/1 bis 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105
(Wide Panel 18 mm)

Guide Number:
L: 39 at 35mm - L: 58 at 105mm*

YN-468 II

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85
(Streulicht 18 mm)

Guide Number:
L: 33 at 35mm* - L: bei 85mm nicht bekannt

YN-467 / YN-467 II

Control Range:
1/1 to 1/64

Focal Length:
24, 28, 35, 50, 70, 85
(Wide Panel 18 mm)

Leitzahl:
L: 33 at 35mm* - L: bei 85mm nicht bekannt

YN-460 II

Control Range:
1/1 at 1/64

Focal Length:
35 mm fix (no Zoom)

Guide Number:
L: 38 at 35mm*

YN-460

Control Range:
1/1 to 1/64

Focal Length:
35 mm fix (no Zoom)

Guide Number:
L: 33 at 35mm*

* By the manufacturer default specified value

Nissin Speedlite

Di866 MARK II (Professional)

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105
(Wide Panel 18 mm)

Guide Number:
L: 40 at 35mm - L: 60 at 105mm*

Di700

Control Range:
1/1 to 1/128

Focal Length:
24, 28, 35, 50, 70, 85, 105, 130, 200
(Streulicht 16 mm)

Guide Number:
L: 28 at 35mm - L: 54 at 200mm*

Di622 MARK II
Di600

Control Range:
1/1 to 1/32

Focal Length:
24, 28, 35, 50, 70, 85, 105
(Wide Panel 16 mm)

Guide Number:
L: 32 at 35mm - L: 44 at 105mm*

* By the manufacturer default specified value

Footnote:

On Wikipedia you can find additional information and formulas: https://en.wikipedia.org/wiki/Guide_number.

GN is the abbreviation for "Guide Number" - the English term for guide number - and is expressed in feet.

If you find a failure in the list of devices, or a device is missing, write us an e-mail.

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