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Westcott S18 Mini Flash

BH #WES18MINFLSH • MFR #8218
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Westcott S18 Mini Flash
Key Features
  • Manual Flash for Various Camera Models
  • Flash Head Tilts -3° to 72°
  • Guide Number: 16' at ISO 100
  • 7 Output Levels: 1/64 to 1/1
The on-camera S18 Mini Flash from Westcott is a simple lighting solution with a compact design. This fully-manual flash is compatible with a variety of camera models with a universal hot shoe. It has a guide number of 16' at ISO 100 and the head tilts from -3° to 72°. The output level can be manually adjusted from 1/64 to full power in 0.3-step increments. The built-in 1250mAh rechargeable battery enables the flash to produce up to 500 full-power flashes and recycle in 2.5 seconds. Five color gels are included for greater creative possibilities.
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$39.90
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Westcott S18 Overview

The on-camera S18 Mini Flash from Westcott is a simple lighting solution with a compact design. This fully-manual flash is compatible with a variety of camera models with a universal hot shoe. It has a guide number of 16' at ISO 100 and the head tilts from -3° to 72°. The output level can be manually adjusted from 1/64 to full power in 0.3-step increments. The built-in 1250mAh rechargeable battery enables the flash to produce up to 500 full-power flashes and recycle in 2.5 seconds. Five color gels are included for greater creative possibilities.

7 Manual Flash Levels & Optical Mode
  • Adjust the output power level from 1/64 to full power in 0.3-step increments.
  • For greater control over the light in your setup, the S18 features an optical mode that offers S1 and S2 settings. In S1, the flash triggers when it sees any burst of light from a main flash. In S2, the flash ignores a single pre-flash and fires on the second burst of light.
Power & 2.5mm Sync Port
  • The 1250mAh internal battery recharges via USB-C in about 2.5 hours.
  • An integrated 3.5mm sync socket is available for cable connectivity.
UPC: 810164331908

Westcott S18 Specs

Key Specs
Guide Number
16' / 4.9 m
Auto Zoom Head
No
Bounce/Vertical Adjustment
-3 to +72°
Swivel/Horizontal Adjustment
No
Exposure Control
Manual
Wireless Operation
No
Internal Power
1x Rechargeable (Built-In)
Off-Camera Terminal
1/8" / 3.5 mm
Flash Head
Guide Number
16' / 4.9 m
Auto Zoom Head
No
Bounce/Vertical Adjustment
-3 to +72°
Swivel/Horizontal Adjustment
No
Recycle Time
Approx. 0.01 to 2.5 Seconds
Secondary Illumination
No
Exposure Control
Exposure Control
Manual
Flash Modes
No
Power Range
1/1 to 1/64 (Manual)
Flash Compensation
No
Wireless
Wireless Operation
No
Power
Internal Power
1x Rechargeable (Built-In)
External Power Pack Compatible
No
General
Mount
Shoe
Off-Camera Terminal
1/8" / 3.5 mm
Mobile App Compatible
No
Dimensions (W x H x D)
2.4 x 2.1 x 0.9" / 6.1 x 5.3 x 2.3 cm
Weight
3.5 oz / 99 g
Packaging Info
Package Weight
0.425 lb
Box Dimensions (LxWxH)
5.2 x 5.1 x 1.4"

Westcott S18 Reviews

See any errors on this page?

will it work on Nikon Coolpix P7100?

will it work on Nikon Coolpix P7100?
Asked by: Ted
Yes, the Westcott S18 Mini Flash is compatible with the Nikon Coolpix P7100 camera.
Answered by: Boyd H
Date published: 2026-05-17

Can the S18 be triggered off camera by an LM-3 on

Can the S18 be triggered off camera by an LM-3 on an OM-1 II ?
Asked by: Andrew
The Westcott S18 Mini Flash features an optical slave, allowing it to be triggered by the LM-3 or nearly any other flash that activates when mounted on the shoe of your OM-1 II.
Answered by: Jessica G
Date published: 2026-05-26

Will the flash work with a Leica Q3 and a Leica M

Will the flash work with a Leica Q3 and a Leica M series camera?
Asked by: Jerome
Yes, the Westcott S18 Mini Flash will work with the Leica Q3 and Leica M series cameras.
Answered by: Paula M
Date published: 2026-04-14
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