VB-22 - Flash Bolt - Free user manual and instructions
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| Product Type | Electronic Flash |
| Model | VB-22 |
| Brand | Bolt |
| Guide Number (ISO 100, meters) | 22 |
| Flash Coverage (mm) | 28-85 |
| Recycle Time (seconds) | 0.5-5 |
| Number of Flashes (per set of batteries) | 200-1500 |
| Power Source | 4x AA batteries (Alkaline or NiMH) |
| Mount Type | Hot Shoe (Standard) |
| Swivel/Tilt Head | Yes, 90° up, 180° left/right |
| Flash Modes | Manual, Slave, S1, S2 |
| Dimensions (L x W x H) | 190 x 75 x 55 mm |
| Weight (without batteries) | 320 g |
| Color Temperature | 5600 K |
| Sync Voltage | Low voltage (safe for digital cameras) |
| Care Instructions | Wipe with dry cloth; avoid moisture; store in dry place |
| Safety Features | Overheat protection, auto cutoff |
| Spare Parts | Replacement batteries, diffuser, color gels (sold separately) |
| General Information | Compatible with most cameras via hot shoe or sync cable; for studio or on-camera use |
Frequently Asked Questions - VB-22 Bolt
How do I change the batteries?
Open the battery compartment cover on the side of the flash. Insert 4 AA batteries following the polarity indicators (+/-). Use NiMH rechargeable batteries for best performance.
What is the recycle time?
The recycle time varies depending on battery type and power setting. With fresh alkaline batteries, it is approximately 0.5 to 5 seconds. Using NiMH batteries can reduce recycle time.
How do I use the slave mode?
Set the flash mode to 'Slave' by pressing the mode button until 'S1' or 'S2' appears. The flash will fire when it detects another flash burst. S1 fires on first flash, S2 ignores pre-flashes.
Is this flash compatible with my camera?
The VB-22 has a standard hot shoe mount and can be used with most cameras that have a hot shoe or PC sync port. However, TTL functions may not be supported; use manual mode for best results.
How do I clean the flash?
Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or abrasives. Keep the flash head and sensor clean for accurate operation.
What does the guide number mean?
The guide number (GN) indicates the flash's power. At ISO 100 and 2 meters, the aperture is f/11 (GN 22). Higher GN means more power. For a subject at 4 meters, use f/5.6.
Can I use rechargeable batteries?
Yes, NiMH rechargeable AA batteries are recommended. They provide faster recycle times and are more economical. Do not use Lithium-ion batteries unless specified.
How do I adjust the flash power?
In manual mode, press the '+' or '-' buttons to adjust power from Full (1/1) down to 1/64. The LCD screen shows the current setting. Lower power reduces brightness and recycle time.
The flash doesn't fire. What should I check?
First, ensure the batteries are fresh and inserted correctly. Check that the flash is securely mounted and the camera's shutter sync is set to normal. If using slave mode, verify the trigger source.
What accessories are available?
You can purchase diffusers, color gels, and a bounce card to soften or color the light. A sync cable is also available for off-camera use. Check the Bolt website for compatible accessories.
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USER MANUAL VB-22 Bolt
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Product information
Brand : Bolt
Model : VB-22
Category : Flash