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Leica SF 40 Flash

BH #LEFCCSF40 • MFR #14624
Leica SF 40 Flash
Key Features
  • Compatible with Leica TTL
  • Guide Number: 131' at ISO 100 and 105mm
  • Zoom Range: 24-105mm (16mm with Panel)
  • LED Video Light with Nine Output Levels
Punch up your scene with some additional light from the SF 40 Flash from Leica. Optimized for use with Leica's latest cameras, the SF 40 has TTL support for automatic exposure and metering and it features a compact design with a useful output. Rated with a guide number of 131' at ISO 100 and 105mm, this unit can easily illuminate a room or subject. Also, it has a zoom range of 24-105mm, which can be expanded to 16mm with the use of the pull-out diffusion panel, for excellent coverage with your lenses. On top of this, an LED video light with nine output levels is available for lighting a scene for high resolution video capture.
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Leica SF 40 Overview

Punch up your scene with some additional light from the SF 40 Flash from Leica. Optimized for use with Leica's latest cameras, the SF 40 has TTL support for automatic exposure and metering and it features a compact design with a useful output. Rated with a guide number of 131' at ISO 100 and 105mm, this unit can easily illuminate a room or subject. Also, it has a zoom range of 24-105mm, which can be expanded to 16mm with the use of the pull-out diffusion panel, for excellent coverage with your lenses. On top of this, an LED video light with nine output levels is available for lighting a scene for high resolution video capture.
Fully featured as a flash, the SF 40 offers both tilt up to 90° and a full 360° of rotation for complete bounce coverage. It can also be set as a wireless remote flash when used with a compatible commander unit. Recycle time ranges from 0.1-4 seconds and it runs on four AA batteries. Additionally, it has support for slow, high-speed, 1st and 2nd curtain sync modes.
  • Guide number at ISO 100 of 131' at 105mm and 89' at 35mm position
  • Full manual control option from 1/1 to 1/256 power
  • Approximately 220 to 1,700 flashes on a single set of fully-charged batteries
  • LED run time of about 3.5 hours with new batteries
  • Color temperature of 5600K
  • Wireless remote mode
  • Exposure compensation from -2 to +2 EV in 1/2 step increments
  • AF assist beam with range of 2.3 to 16.4'
  • Flash duration of 1/800 to 1/20,000 second
  • Red-eye reduction modes
  • Two selector dials on the back of the flash for changing modes and adjusting power settings
  • LED light has 9 steps of output levels

Leica SF 40Specs

Key Specs
Guide Number
131.23' / 40 m at ISO 100 (105 mm Position)
Auto Zoom Head
Yes
Bounce Head
0 to +90°
Swivel Head
360°
Exposure Control
Leica TTL, Manual
Internal Power
4x AA
Off-Camera Terminal
No
Flash Head
Guide Number
131.23' / 40 m at ISO 100 (105 mm Position)
Coverage
Full-Frame
24 to 105 mm
16 mm (with Wide-Angle Adapter)
Auto Zoom Head
Yes
Bounce Head
0 to +90°
Swivel Head
360°
Flash Duration
1/800 to 1/20000 Second
Recycle Time
Approx. 0.1 to 4 Seconds
Secondary Illumination
Video Light
Exposure Control
Exposure Control
Leica TTL, Manual
Flash Modes
Hi-Speed Sync, Second-Curtain Sync
Power Range
1/1 to 1/256
Flash Compensation
-2 to +2 EV (1/2 EV Steps)
Power
Internal Power
4x AA
External Power Pack Compatible
No
General
Mount
Shoe
Off-Camera Terminal
No
Dimensions (W x H x D)
3.3 x 2.4 x 3.3" / 85 x 61 x 85 mm
Weight
7.16 oz / 203 g
Packaging Info
Package Weight
0.755 lb
Box Dimensions (LxWxH)
4.5 x 4.3 x 3.75"

Leica SF 40 Reviews

See any errors on this page? Let us know

question

Does this Leica flash work with the Leica M-P (240) Safari rangefinder camera?
Asked by: Paul
Yes, this will be compatible with the Leica M-P.
Answered by: Heather S.
Date published: 2018-08-26

Does this flash work with Leica D-LUX 7 ?

Does this flash work with Leica D-LUX 7 ?
Asked by: Cheuk Fang Rich
Yes it does.
Answered by: Steve
Date published: 2023-08-03

Is there a firmware update for Leica sf-40?

Is there a firmware update for Leica sf-40?
Asked by: Robert
No, the Leica sf-40 as well as all Leica flash units do not have firmware updates.
Answered by: Rachael B
Date published: 2024-01-15

question

Is the SF 40 flash compatible with the V-Lux 114?
Asked by: Anonymous
The SF 40 is not compatible with the V-Lux 114. Instead, you can use the CF 22 flash.
Answered by: Heather S.
Date published: 2018-08-26

question

Are the TTL and other standard operating settings of this flash workable when either the M lens or the R lens adapter are being used?
Asked by: Terry
Yes, you can use TTL with any M or R lens adapted.
Answered by: Jacob C.
Date published: 2018-08-26

Can this be used with new Leica M6?

Can this be used with new Leica M6?
Asked by: Harvinder
The Leica SF 40 Flash BH #LEFCCSF40 can be used with a Leica M6.
Answered by: Reuben K
Date published: 2023-11-30

question

will this flash work with other Leica camera such as M9 or M240 ?
Asked by: Anonymous
This flash is compatible with all current Leica cameras with Leica TTL.
Answered by: Heather S.
Date published: 2018-08-26

Which country is this unit made in?

Which country is this unit made in?
Asked by: Matthew
The Leica SF 40 Flash country of origin is Hong Kong.
Answered by: Daniel C
Date published: 2023-07-18
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