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Key Features
- Portable On-Camera Flash
- Guide Number: 39.4'
- 3 Output Levels: 1, 1/2, 1/3
- Recycling Time: 1.5-8 sec
The distinct silver KF-01 Flash from Keks is a simple and compact on-camera flash with basic features. Known for plenty of light meters, Keks has now developed a shoe-mounted flash with a guide number of 39.4' and three power output levels. Its elegant, sleek, and modern aluminum-constructed design will spark joy atop your camera.
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What’s the applied voltage by the flash?
What’s the applied voltage by the flash?
There is no published voltage available for the Keks KF-01 Flash (Silver), but it's designed as a modern low-voltage flash, compatible with modern mirrorless cameras and film cameras.
Date published: 2026-03-05
What’s the applied voltage of the flash unit?
What’s the applied voltage of the flash unit?
The Keks KF-01 Flash (Silver) works with 2x AAA batteries with a voltage of 1.5V.
Date published: 2026-03-05
Is this flash compatible with digital Leica M ...
Is this flash compatible with digital Leica M cameras? Specifically the M240?
Yes, the manual Keks KF-01 Flash (Silver) is compatible with the Leica M (Type 240) Digital Rangefinder Camera through the center pin.
Date published: 2024-12-08
Is this compatible with the Leica q2?
Is this compatible with the Leica q2?
The Keks KF-01 Flash (Black) has a center pin hot shoe. It will fire when the shutter is pressed and will only communicate in manual modes.
Date published: 2024-12-26
What is the widest 35mm lens that this flash will ...
What is the widest 35mm lens that this flash will cover (that is the field of coverage)?
The field of coverage of the Keks KF-01 Flash is unofficially approximately equal to that of a 50mm lens on a 35mm camera or full-frame digital camera.
Date published: 2025-11-23
Can I use this with my Fujifilm X100f?
Can I use this with my Fujifilm X100f?
Yes, the Keks KF-01 Flash (Black) will work on any camera with a center pin hot shoe. The Keks KF-01 Flash (Black) operates in manual mode.
Date published: 2025-02-06
What is the field of coverage?
What is the field of coverage?
The Keks KF-01 Flash (Black) does not have any zoom functions, and the manufacturer does not list the focal length or spread of the flash. It is a small, limited flash and is not made for long-distance use. The flash's maximum measurement is approximately 50 mm.
Date published: 2025-12-31