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Sea Frogs ST-100-Pro (2nd Gen)

Manufacturer: Sea Frogs
Availability: Usually ships in 2-3 business days

Sea Frogs ST-100-Pro Underwater Strobe, robust & durable construction against heat, guide number 32, 110° angle of coverage without diffuser, 800 lumen target light

Price $230.00$289.00

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Sea Frogs ST-100-Pro Underwater Strobe 
  • Guide Number 32 
  • 100°x100º Angle of Coverage without Diffuser 
  • Robust & Durable Construction Against Heat
  • 800 lumen Target Light

The Sea Frogs ST-100-Pro offers a phenomenal range of features and benefits. Combining high power, wide angle coverage and near instant recycling with thought through user friendly exposure functions and triggering options, the ST-100-Pro leads the field outperforming many much larger and heavier underwater flashguns.


Powerful G.N. 32 and UNDERWATER coverage 100x100 degree

Yet lightweight and compact body, the ST-100-Prois designed to produce G.N. 32
Further more, the ST-100-Pro has overcame drawback of high-power strobe which has long flash duration and reaches to FULL power after start flashing in significantly short period of time.
Together with flashing system in sync with pre-flash and main flash of camera’s built-in flash, the ST-100-Pro can deliver full dump even at 1/1000 high shutter speed setting without cutting power

800 lumen, Shutter-linked AUTO OFF Focus Light

The built-in "Shutter-linked Auto-Off Focus Light" delivers 800 lm brightness to support when focusing a subject and cease in synch with the shutter release and automatically turns ON again.
To aim optical axis of the Focus Light in line with strobe light’s optical axis, the Focus Light has a fresnel lens in front supporting more accurate strobe aiming and improved usability.

S-TTL Auto /11 Steps Manual Flash Mode

A unique accurate auto exposure system "S-TTL" has been further evolved. Accuracy of exposure is advanced providing more accurate exposure.
In addition, optimized high performance slave sensor never miss camera’s trigger signal even faint or partially damaged fiber optics cable can trigger the strobe to offer faultless triggering.
Precised 1/2EV. increments 13 steps Manal flash control is onboard to support professional use.

Both Optical/Electrical Trigger Supported

The ST-100-Pro is equipped with a 5 pin sync connector as well as slave sensor to trigger optically to adopt wide variety of camera system.

  • Guide Nº on land: 32
  • Connection: Optical Connection / Electrical Connection
  • Digital support: Optic cable (compatible with all cameras)
  • Digital support: USB (compatible with Nikon camera TTL)
  • Strobe Control Mode: S-TTL / S-TTL low / Manual / Full
  • Exposure control: optical cable/USB synchronize with TTL, adjust the luminosity (guide #), Manual
  • TTL compensation: 11 steps (EV -0.3 / -0.7 / -1.0 / -1.5 / -2.0 / 0) ( EV +0.3 / +0.7 / +1.0 / +1.5 / +2.0 )
  • Guide Number: 11 steps (GN 1 / 1.4 / 2.8 / 4 / 5 / 5.6 / 8 / 11 / 16 / 22 / 32)
  • Strobe Beam Angle: 100ºx100º
  • Focus Light Beam Angle: 20º
  • Colour temp at full power:  Approx. 5500K (without Strobe Filter)
  • Colour temp with diffuser: 5400K
  • Recycle time: 5 seconds (alkaline) / 4 seconds (nickel metal hydride)
  • Flash Capacity: Approx. 500 flashes (Alkaline batteries) / 600 (Nickel metal Hydride)
  • Focus Light Intensity: 5w LED - 800 lumen
  • Focus Light Burn Time: Approx. 1 h
  • Compatible Batteries: 1.5V alkaline AA battery, 1.2V nickel metal hydride AA battery
  • Working Temperature: 0ºC - 30ºC / 32ºF - 8ºF (water temperature)
  • Storage Temperature: 0ºC - 30ºC / 32ºF - 86ºF (air temperature)
  • Dimensions: 
    • Width: 97 mm
    • Height: 124 mm
    • Length: 94 mm
  • Weight: Approx. 614 g (without batteries)
  • Depth rating:  100m / 328ft
  • Body Material / Color: Polycarbonate resin / red
  • ST-100-Pro Strobe
  • Warm strobe diffuser
  • Cold strobe diffuser
  • Strobe dome protector
  • Slave Sensor Cap
  • YS (Sea&Sea) Mount
  • Spare O-ring (Battery Box)
  • Lens cleanning tissue
  • User´s manual
Meikon provides a limited warranty to the original purchaser against all defects in original workmanship and material under normal SCUBA use and service as outlined in the owner's manual for 1 year from the date of purchase, with the following exceptions and conditions:
  • This warranty does not cover commercial or rental use.
  • Should your housing prove to be defective for any reason (other than those listed in the limitations section below) it will be repaired or replaced at Advanced Diving Technologies´ discretion, free of charge, excluding shipping and handling charges.
  • Repairs made under this warranty will not extend the warranty period
  • This warranty is non-transferable and applies to the original purchaser only.
  • All correspondence concerning this warranty must be accompanied by a copy of the original sales receipt.
  • Any flood or damage, for any reason, that is caused from flooding an O-ring sealed or water tight area will not be covered under warranty. All O-ring sealed products undergo extensive factory pressure testing before being shipped and delivered and are therefore guaranteed to be sealed and functioning when shipped from the factory.
  • Meikon/ADITECH will not be liable for any loss, damages, or expenses including incidental or consequential damages directly or indirectly arising from the sale or use of the product.
  • Meikon/ADITECH accepts no liability for any loss of captured images or the inability to capture images even if it is due to the malfunctioning or leakage of the housing.
  • All paint finishing, cosmetic discoloration of surfaces, powder coating, or material stitching that is chipped, damaged, or unthreaded through customer use is not covered in the warranty.
  • Meikon/ADITECH does not warranty any product for aesthetic finishes. Issues with surface finish that do not affect function of the product are not covered under warranty.
  • This warranty does not apply and may be rendered completely void in the event of accidental damage, abuse, overcharging of battery, flooding due to neglect, tampering, lack of care and maintenance, improper storage, or unauthorized service.
  • This warranty specifically excludes bulbs, lenses, cords, wet connectors, O-rings, fuses or other conditions resulting from misuse and negligence.
  • This warranty becomes void if the Video Housing components are damaged by anything other than normal recreational diving use.
  • Modifications or repair by anyone other than an authorized Meikon Dealer or ADITECH Service Department will void the warranty.
  • Each product is carefully examined and checked before it is shipped. It should therefore be visually and operationally checked as soon as it is received. If it is damaged in anyway, a claim should be filed with the courier and ADITECH notified of the damage.
  • By purchasing this product you agree and understand that in no event will Meikon/ADITECH, its distributors or retailers, be held liable for any personal injuries resulting from its operation, or any other damage whether direct, indirect, incidental or consequential, even if ADITECH is advised of such damages.

NOTE: If the equipment is not covered by warranty, or if it is determined that the fault is caused by misuse, repair will be billed to the customer, and an estimate submitted for customer approval before the commencement of repairs