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AF201FG Auto Flash

Dustproof & weather-resistant P-TTL Auto Flash

This compact, lightweight auto flash features a maximum guide number of 20 (at ISO100/m) and a dustproof, weather-resistant structure with 18 sealing parts across its body, including the hot shoe.
It provides simplified operation: a single turn of the discharge mode dial, which also functions as the power switch, makes it ready for flash photography.
It also provides other useful features, including: a tilt head mechanism which moves a maximum angle of 135 degrees for bounce flash applications, to capture soft, natural images; and a removable wide-angle panel to cover an angle of view as wide as 13mm (when mounted on an APS-C-format digital SLR camera).

Flash Specifications
(for APS-C-format SLR cameras)

P-TTL Auto Available
auto flash
Manual guide number
[ISO100 • m]
Manual guide number
[ISO200 • m]
Discharge angle Angle-of-view coverage of a 16mm lens
Wide-angle panel
Angle-of-view coverage of a 13mm lens
Bounce flash Up(~135°) , Down(~10°)
Discharge level
AF-assist light
Size and weight
65mm(W) x 72.5mm(H) x 31mm(D)
141g (flash body only)
Power source Two AAA-cell batteries
Other functions • Exclusive use with digital SLR cameras
• Dustproof, weather-resistant structure
• Automatic power-off (180 sec.)
• Trailing-shutter sync mode

PENTAX Flash System

Wireless P-TTL Auto Flash


This advanced flash mode is available by mounting the AF540FGZ II or AF360FGZ II Auto Flash unit on a K- or *istD-series camera body. Using the camera-mounted flash unit as a master unit or controller, it enables highly accurate, wireless operation of advanced P-TTL Auto Flash applications.

*Cameras compatible with wireless P-TTL Auto Flash operation using the camera’s built-in flash:
KP/K-3/K-50/K-30/K-5II/K-5IIs/K-5/K-7/K-r/K-x/K-m/K20D/K200D/K10D FW Ver.1.10 or later/K100D Super

Multi-flash system

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