Westcott S18 Mini Flash
- 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
- Up to 500 Full-Power Flashes
- Recycling Time: 0.01 to 2.5 seconds
- Optical S1/S2 Modes
- Shoe-Mounted Flash, 3.5mm Sync Port
- 1250mAh USB-C Rechargeable Battery
- Includes Five Color Gels
Westcott S18 Mini Flash
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Westcott S18 Mini Flash
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 allows the flash to deliver up to 500 full-power flashes and recycle in 2.5 seconds. Five color gels are included for added creative flexibility.
Westcott S18 Mini Flash Features:
- Compact on-camera flash with universal hot shoe
- Guide number of 16' at ISO 100
- Tilt range from -3° to 72°
- Manual power adjustment from 1/64 to full power in 0.3-step increments
- Built-in 1250mAh rechargeable battery
- Up to 500 full-power flashes per charge
- 2.5-second recycle time
- Includes five color gels
7 Manual Flash Levels & Optical Mode
Adjust the output power from 1/64 to full power in 0.3-step increments. For greater lighting control, the S18 features an optical mode with S1 and S2 settings.
- S1 Mode: The flash triggers when it detects any burst of light from a main flash.
- S2 Mode: The flash ignores a single pre-flash and fires on the second burst of light.
Power & Sync Port
The internal 1250mAh battery recharges via USB-C in about 2.5 hours. An integrated 3.5mm sync socket is also available for cable connectivity.
Available light runs out. The S18 steps in, giving you clean, controllable flash in a package that fits in your pocket and works with your camera right out of the box.
Mini Flash. Major Difference.
- Pocket-sized flash improves photos when natural light isn’t enough
- Ultra-compact and lightweight at just 3.5 oz (100g) making it easy to carry in any camera bag or pocket
- Universal single-pin hot shoe design compatible with most Canon, Nikon, Sony, Fujifilm, Panasonic Lumix, Olympus, and Leica cameras
- 18Ws flash output with GN16 (ISO 100) provides brighter illumination than built-in camera flashes for indoor photos and portraits
- Tilting flash head (-3° to 72°) enables direct fill flash or bounce lighting for softer, more natural indoor photos
- 19-step manual power adjustments across a 7-stop energy range (3.0–9.0) with fine 0.3 increments allow precise control over flash brightness
- Built-in 3.7V 1250mAh rechargeable lithium battery with USB-C charging eliminates the need for disposable batteries
- Up to 500 full-power flashes per charge keeps you shooting longer without interruptions
- Fast recycle times from 0.01–2.5 seconds help you stay ready for the next shot
- Includes 5 color gels including Diffusion, CTO, 1/2-CTO, Yellow, and Red for experimenting with creative lighting effects
- Westcott S18 Mini Flash
- 5 x Color Gel
- USB Cable
- Travel Case
- Limited 1-Year Manufacturer Warranty
* Charger Not Included
| Flash Head | |
|---|---|
| Maximum Power | 18Ws |
| Energy Range | 7-Stops (3.0–9.0) |
| Flash Duration (t0.1) | 1/810 - 1/27000s |
| Flash Duration (t0.5) | 1/2500 - 1/50000s |
| Recycle Time | 0.01 - 2.5s |
| Mounting System | Hot Shoe (Must have center pin) |
| Flash Increments | ± 0.3 |
| Flash Modes | Manual, Optical Clients (C1, C2) |
| Sync Speed | Up to 1/250 (native) |
| Sync Size | 3.5mm |
| Optical Sensor | Two Modes: C1, C2 |
| Auto Memory Recall | Yes |
| Lighting | |
| Beam Angle | 60° |
| Mount Type | Head pivots -3º ~ 72º |
| Bluetooth | No |
| Cooling | Passive |
| User-changeable Lamp | No |
| Case Included | Yes |
| Electrical | |
| Certifications | CE, RoHS |
| Power Receptacle | USB-C (Charging Only) |
| Battery Type | Lithium |
| Operating Temperature | 14 - 104ºF (-10 - 40℃) |
| Power Cooling | Passive |
| Heat Protection | Yes |
| Auto Power Off | Yes |
| Battery | |
| Flashes per Charge | Up to 500 full-power flashes |
| Battery Capacity | 3.7V 1250mAh 4.6Wh |
| Battery Voltage | 3.7V |
| Battery Removable | No |
| Charge Time | ~2.5 hours |
| General | |
| Product UPC | 810164331908 |
| Package Quantity | 1 |
| Product Dimensions | 2.4 × 2.1 × 0.9 in. (6.1 × 5.3 × 2.4 cm) |
| Packed/Folded Size | 4.7 × 4.3 × 1.4 in. (11.8 × 10.8 × 3.6 cm) |
| Item Weight | 0.2 lbs. (0.1 kg) |
| Materials | Electronics, Metal, Plastics, Rubber |
| Use & Care Instructions |
|
- Westcott S18 Mini Flash
- 5 x Color Gel
- USB Cable
- Travel Case
- Limited 1-Year Manufacturer Warranty
* Charger Not Included

















