INON S2000 Strobe

Part Number:
HKD 3,200
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INON S2000 Strobe:

Same fundamental features as D-2000 in ultra comact body

Guide Number 20.

Circular 110 degree beam coverage with a diffuser

Precise "S-TTL" mode & 12 step "Manual"

Built-in EV. Controller to fine-tune S-TTL Auto exposure

Next generation wireless TTL

Powerful 4 x AA batteries operation

Minimum recycle time of 1.5 seconds at full flash




Model INON S-2000
Strobe Control Mode (*1) S-TTL Auto / Manual / TTL Auto (*3)
Connection (*1) Wireless connection / Optical D Cable / Optical D Slave Cable
Guide Number (*2) 20 [without a diffuser]
17 [with supplied -0.5 White Diffuser]
Settable Flash Output (*2) 20(FULL) 17(-0.5) 14(-1) 12(-1.5) 10(-2) 8.4(-2.5) 7.1(-3) 5.9(-3.5) 5.0(-4) 4.2(-4.5) 3.5(-5) 3.0(-5.5)
(12 steps in 1/2EV increments)
Beam Angle 105°(horizontal) x 95°(vertical) [without a diffuser]
110° x 110°circular beam [with supplied -0.5 white diffuser]
Color Temp. 5500K [flash light, without a diffuser]
5400K [flash light, with supplied -0.5 white diffuser]
Recycle Time
Approx. 1.5 seconds minimum: ["eneloop" batteries (*6)]
Approx. 1.5 seconds minimum: [NiMH batteries (*7)]
Approx. 1.6 seconds minimum: [Alkaline batteries]
Approx. 2.1 seconds minimum: [Lithium 1.5V batteries]
Flash Capacity
Approx. 450 flashes: ["eneloop" batteries (*6)]
Approx. 570 flashes: [NiMH batteries (*7)]
Approx. 430 flashes: [Alkaline batteries]
Approx. 670 flashes: [Lithium 1.5V batteries]
AA "eneloop"(HR-3UTG) x 4, or "new generation"NiMH batteries x 4 (*6)
AA NiMH x 4 [good quality] (*7),
AA Alkaline x 4,
AA Lithium (1.5V) x 4
*Manganese batteries not compatible
Dimensions Diameter: 64mm / 2.5in. Height: 83.1mm / 3.3in. Depth: 106.5mm / 4.2in.
(*Including Slave Sensor and Arm Base)
Weight [air] 295g / 10.4oz (without batteries)
[underwater] Approx. 69g / 2.4oz (with 4 "eneloop" batteries)
Working Temperature 0°C - 30°C / 32°F - 86°F [water temperature]
Storage Temperature 0°C - 30°C / 32°F - 86°F [air temperature] +50°C / 122°F (temporary allowable temperature limit)
Depth Rating 100m / 328ft
Body Material / Color Polycarbonate resin / red
Package Contents -0.5 White Diffuser, Magnet, Magnet Screw, Spare O-ring (Battery Box), INON Grease, Wireless Connection Kit

(*1) Flash modes / connection method is vary depending on camera system. Also flash mode is vary depending on connection method. Please refer to respective sections of the user manuals for detail.

(*2) Measurement in air / ISO100 · m, Nominal value

(*3) Only compatible when connecting to TTL operation INON strobe (*8) by "Optical D Slave Cable Connection".

(*4)Measured with FULL strobe output at 30-second intervals with both Focus Light (Z-240,D-2000) and Advanced Cancel Circuit OFF, at 25 °C / 77 °F giving 10 minutes cooling period every 50 flashes.

(*5) Recycle Time / Flash Capacity / Focus Light operable duration (Z-240,D-2000) based on INON test data. Actual values may vary depending on battery manufacturer, battery type and age.

(*6)Including listed "new generation" NiMH batteries ("eneloop" type) having less self-discharging and heat generation charactistic comparing to "conventional" or "high-capacity" NiMH and confirmed compatibility by INON INC,.

(*7) Some "conventional" or "high-capacity" NiMH rechargeable batteries have significant self-discharge and heat-generatinmg characteristic resulting difficulty to keep their performance during usage. We recommend to use recommended batterie.

(*8) S-2000, Z-240, D-2000, D-2000S, D-2000W, D-2000Wn.