Nikon SB-50DX Speedlight Specifications

The first DSLR consumer flash, this flash is an older D-TTL type and doesn't support automation in recent i-TTL (CLS) DSLRs. 

Guide Number (ISO 100 FX): 66 ft, 20m @ 28mm

Weight: 8.3 ounces (235g)

Power: two CR123A

Recycle time: 3.5 seconds

Max Flash Duration: 1/1800

Coverage: 14mm, 24mm, 28mm, 35mm, 50mm

35mm film TTL support: Yes

D-TTL support: Yes

i-TTL (CLS) support: No

Auto Aperture: No

Automatic Flash mode: No

Manual flash mode: Yes (1 level)

Head tilt: Yes

Head rotate: No

AF Assist: Yes

High Speed Sync: No

Repeating flash: No

Modeling light: No

PC Sync socket: No

LCD: Yes (no distance)

Foot style: Flip lock

Flash Value lock: No

Flash Color info: No

Wireless: Yes (if no preflash)

Other: includes IR blocker for internal flash, can be fired with 35mm internal flash (not DSLR)

Thom's Full Review of the SB-50DX

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