Bolt VC-310SMI Compact On-Camera TTL Flash for Select Sony Cameras

Bolt VC-310SMI Compact On-Camera TTL Flash for Select Sony Cameras

Bolt VC-310SMI Compact On-Camera TTL Flash for Select Sony Cameras

B&H # BOVC310SMI MFR # VC-310SMI
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Product Highlights

  • Compatible with Select Sony ADI / P-TTL
  • Guide Number: 105' at ISO 100
  • Coverage: 28mm (17mm with Diffuser)
  • Tilts from -7 to 90°
  • Rotates Left 60° & Right 90°
  • Wireless Slave Functionality
  • LED Lights for Preview & AF Assist
  • Recycle Time: 5 Seconds at Full Power
  • Stroboscopic Mode & 2nd Curtain Sync
  • Micro-USB Port for Firmware Updates
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Bolt VC-310SMI overview

  • 1Description

Compact and very capable, the VC-310SMI Compact On-Camera TTL Flash from Bolt is fully compatible with Sony's ADI / P-TTL system (except for a7R III and A9, and RX1R series) and offers a plethora of features for advanced on- and off-camera flash photography. The relatively small unit has a guide number of 105' at ISO 100 for easily illuminating a range of subjects as well as coverage for 28mm lenses on full frame cameras or 18mm on APS-C cameras. The included diffuser can soften the output of the flash while increasing the coverage to 17mm on full frame or 12mm on APS-C. For bounce capabilities the VC-310SMI can tilt from -7 to 90° and rotate left 60° and right 90° for more flattering lighting than provided by direct flash.

Another feature of the VC-310SMI is the ability to use LED lights to preview lighting and as a focus assist. This model can be used as an optical slave in manual mode and a stroboscopic mode is available for creative effects requiring multiple flashes during a single exposure for numerous possibilities. The ability to accept firmware updates via a Micro-USB port ensures compatibility in the rapidly changing digital landscape. This flash comes equipped with the Sony Multi Interface Shoe and is not directly compatible with older cameras using the Sony/Minolta Auto-lock Accessory Shoe. Optional adapters are available for using this flash with older cameras.

Note: Not compatible with A7R III, A9 and RX1R series cameras.

Coverage for 28mm lenses on full frame or 18mm on APS-C, when the diffuser is used it expands coverage to 17mm on full frame or 12mm on APS-C
Manual power settings are available with settings from 1/1 to 1/128
Recycle time of about 5 seconds at full power
Backlit LCD screen
Modeling flash setting will fire a burst of flashes for a preview of lighting
Flash exposure compensation from -3 to +3 EV in 1/3 EV steps
Second curtain sync setting allows flash to fire at the end of exposure for more advanced lighting techniques
UPC: 847628591134
In the Box
Bolt VC-310SMI Compact On-Camera TTL Flash for Select Sony Cameras
  • Diffuser
  • Flash Stand
  • Carrying Pouch
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Bolt VC-310SMI specs

    Mount Shoe
    Guide No. 104.99' (32 m) ISO100 
    Exposure Control ADI / P-TTL, Manual
    Vari-Power 1/1 - 1/128
    Bounce Head -7 to +90°
    Swivel Head 150°
    Coverage Up to 28 mm (Full Frame)
    Zoom Head None
    Off-Camera Terminal None
    Recycle Time Approximately 5 Seconds
    Flash-Ready Indicator Yes
    Compensation -3 EV to +3 EV (in 1/3 EV steps)
    Slave Timing Modes Instant Sync
    Skip Preflash
    Wireless Operation Method: Optical pulse
    Distance: Up to 49.21' / 15 m
    Power Source 2x AA Alkaline, Lithium, Rechargeable NiMH Batteries
    Dimensions (W x H x D) 4.5 x 2.5 x 1.4" / 11.4 x 6.4 x 3.5 cm
    Weight 5.291 oz / 150 g without batteries
    Packaging Info
    Package Weight 0.8 lb
    Box Dimensions (LxWxH) 8.2 x 4.4 x 2.4"

    Bolt VC-310SMI reviews

    VC-310SMI Compact On-Camera TTL Flash for Select Sony Cameras is rated 4.6 out of 5 by 5.
    Rated 4 out of 5 by from Great compact flash for Sony Alpha Needed a compact flash as a fill light when shooting in strong sunshine. The VC-310SMI fits the bill excellently. Tried it on my A6300, A77II and A7R2 - works well with all of them. To use Just set the flash unit to TTL mode and dial in the flash compensation on the camera body (-0.3ev indoors, -2.0ev outdoors)
    Date published: 2017-07-01
    Rated 5 out of 5 by from Great back up Flash I used this unit with my Alpha 6000 in TTL only. This flash worked great with acceptable exposures. Nice compact design. My only complaint is that the LCD readout is just too small. It was just hard for me to read it. A very good value for it's price.
    Date published: 2017-06-24
    Rated 4 out of 5 by from Powerful and comes with soft dome attachment. Well built and nice digital display on back. Much more powerful than built in flash of A6000 I have. Use as a bounce with soft dome attachment angled at 45 degrees or straight up to keep you iso down and create nice lighting.
    Date published: 2017-11-28
    Rated 5 out of 5 by from Compact & Awesome Lightweight, easy to use, overall very nice Flash. Works great as a travel flash.
    Date published: 2017-06-02
    Rated 5 out of 5 by from Great little flash that does a great job! Glad I bought it!
    Date published: 2017-06-30
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