Sunpak 400AF

Check availablity: eBay.

This flash only provides TTL with film bodies. When used on any DSLR it is for all intents and purposes a generic flash unit. Its legacy OTF TTL-mode is incompatible with digital TTL systems, but it may work fine in manual mode. You may have to tape over the “extra ” TTL-pins in the camera's hot-shoe to make sure legacy TTL signaling does not confuse the camera.

Specifications

Generic flash.
Head: 28-80mm coverage, power zoom (w. manual override).
Swivel & tilt: unspecified swivel, 0° to +90° tilt.
Exposure modes: Varipower, OTF.
Manual settings: 1/1 and 1/16 (2 steps).
No built-in wireless modes.
Features: LCD.
Trigger voltage: 5 volt.
Field upgradable: No.

Zoom head setting:f=35mmf=50mmf=max
Guidenumber (ISO 100, meter):283440
GNs taken from manufacturer's specifications.

Discontinued: Yes.

For a detailed explanation of the above specifications, see the guide.

Literature

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Brand profile

Key info

Established: 1963
HQ: Saitama, Japan
Web: Global, man

Sunpak's main business is the planning, development, production and sale of aftermarket electronic flash units. The company also markets general underwater imaging equipment.

Some Sunpak flash units have an auto power save function that may put the unit to sleep after about some time of inactivity (from 5 to 15 minutes, depending on model). When using your flash as a wireless slave, the power save mode may stop the flash from responding after a while. If the manual does not tell you how to disable automatic power save, it may work to hold down the mode and select (SEL) buttons as you power it on, or to hold down the zoom button as you power it on.

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