VD-410 - Flash Bolt - Free user manual and instructions
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| Product Type | Flash Unit |
| Brand | Bolt |
| Model | VD-410 |
| Dimensions | Approximately 70 x 120 x 50 mm (2.8 x 4.7 x 2.0 inches) |
| Weight | Approximately 200 g (7.1 oz) without batteries |
| Power Source | 4 x AA alkaline or rechargeable batteries |
| Guide Number | Approximately 30 (ISO 100, meter) |
| Flash Modes | Manual, TTL, Slave, Stroboscopic |
| Recycle Time | Approximately 4-8 seconds with fresh alkaline batteries |
| Number of Flashes | Approximately 100-300 per set of batteries |
| Coverage Angle | 24-105 mm lens coverage (auto zoom) |
| Bounce/Swivel | Yes, 90° bounce, 270° swivel |
| Wireless Control | Optical slave, compatible with most camera systems |
| Maintenance | Clean with dry, soft cloth. Avoid moisture and extreme temperatures. |
| Safety Precautions | Do not disassemble. Use only specified batteries. Keep away from children. |
| Spare Parts / Repairability | No user-serviceable parts. Contact authorized service center. |
| General Information | Designed for versatile flash photography, compatible with DSLR and mirrorless cameras with hot shoe. |
Frequently Asked Questions - VD-410 Bolt
What type of batteries does the Bolt VD-410 flash use?
The flash uses 4 AA batteries, either alkaline or rechargeable NiMH.
How do I attach the flash to my camera?
Slide the flash's hot shoe mount into your camera's hot shoe until it clicks into place. Tighten the locking ring if present.
Is the Bolt VD-410 compatible with all camera brands?
The flash has a standard hot shoe and works with most DSLR and mirrorless cameras, but TTL functionality may vary. Use in manual mode for universal compatibility.
How do I reset the flash?
Remove the batteries, wait 30 seconds, then reinsert them. This resets the internal electronics.
Why is my flash not firing?
Check that batteries are fresh and inserted correctly, the flash is securely attached, and the camera's flash sync mode is enabled. Also ensure the flash is charged (ready light on).
What does the 'Slave' mode do?
In slave mode, the flash fires when it detects a burst of light from another flash, allowing off-camera triggering without cables.
How do I clean the flash?
Use a soft, dry microfiber cloth to wipe the exterior. Do not use any liquids or cleaners, and avoid touching the flash tube.
Can I use lithium AA batteries?
Yes, lithium AA batteries can be used and may provide faster recycle times and more flashes, but ensure they are not rechargeable lithium-ion (14500) as voltage may differ.
What is the recycling time of the flash?
With fresh alkaline batteries, recycle time is approximately 4-8 seconds. NiMH rechargeables may be faster.
Does the flash have a built-in diffuser?
Yes, the flash includes a built-in wide-angle diffuser that slides out from the head for softer light and wider coverage.
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