Nikon Speedlight SB-20 Value Guide

The Nikon Speedlight SB-20 is a pioneering TTL electronic flash unit introduced in 1986 alongside the Nikon F-401. It is highly collectible for its unique rotating flash head design and its historical role as one of the first units to provide AF-assist illumination for early autofocus systems.

What affects the value of Nikon Speedlight SB-20?

• Functional condition of the TTL circuitry and the flash tube's firing consistency.
• Physical state of the battery compartment, specifically the absence of alkaline corrosion.
• Presence of original accessories such as the soft case or the instruction manual.
• Cosmetic integrity of the rotating head mechanism and the mounting foot.

How to Identify Nikon Speedlight SB-20?

• Look for the 'SB-20' model designation printed on the front of the plastic housing.
• Verify the presence of the unique rotating flash head that pivots for bounce photography.
• Check for the red AF-assist illuminator window located on the front of the unit.
• Confirm the 'Made in Japan' marking on the base or battery compartment door.

History of Nikon Speedlight SB-20

Introduced in 1986 alongside the Nikon F-401, the SB-20 was a pioneer in TTL flash technology. It featured a unique rotating flash head that allowed for bounce flash even in a compact form factor. It was widely popular during the late 1980s for its reliability and its ability to provide AF-assist illumination in low-light situations.