USED - Inon Z240 Underwater Strobe

Guide Number 24
100° Angle of Coverage
4x AA Battery
Fiber Optic & Sea&Sea Electric Sync Connections
Arm Mount Not Included

SKU: # us-in-z240

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Regular Price $539.00

Sale Price $399.00

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Overview / Product Description

Inon Z240 Underwater Strobe

The Z-240 is INON's flagship model, designed for professionals demanding high-performance lighting with modern digital and film camera systems. It provides high performance, innovative features, and versatility in a package about half the size of conventional strobes.

Features:

High power with Guide Number 24, wide 100 degrees circular beam anglelight distribution even without a diffuser
INON unique T-shape Twin Flash construction and optimally designed reflecting mirror/prism enable effective light distribution and produce powerful guide number 24 (*1) at wide circular 100° beam coverage without a diffuser from compact body (outer diameter:99mm x depth: 100mm x height: 122mm) (*2) run by only 4 x AA batteries. Even for shooting wide subject, the Z-240 delivers strong strobe light to an entire area without using a diffuser which suppresses strobe power.
Packaged -0.5 White Diffuser 2 (TTL/Manual) increases bean angle to 110 degree (guide number 21). With the white diffuser, color temperature of the Z-240 decreases at 100K (Kelvin) only to depict underwater scenery in same color regardless of using the diffuser or not.
(*1) Measurement in air/ ISO100m, Nominal value
(*2) Excluding protruded parts.
Minimum recycle time 1.6 seconds
Minimum recycle time at full flash (how fast the strobe is ready to fire just after full flash) is approx. 1.6 sec.(*3). The Z-240 unique circuit components carries two sets of fundamental electrical parts (transformer and transistor) to achieve fast recycle time.
(*3) With SANYO Twiicell 2700 Series, HR-3UTG, 1.2V, Min.2,500mAh.
Recycle time/flash capacity based on INON test data. Actual values may vary depending on battery manufacturer, battery type etc. and age.
Optical connection/electrical connection, digital/film fully compatible
The Z-240 offers all advanced features, including S-TTL Auto mode, which supports TTL Auto exposure control by transmitting built-in flash light to an external strobe and compatibility with Clear Photo System. Optical connection system widely supports from transparent housing for compact digital cameras to a housing for digital SLRs with built-in flash regardless of make or model. Its sync connector accepts Nikonos 5 pin type cable to shoot in TTL Auto mode with a film camera or in Manual/External Auto mode with high end digital SLR not equipped with the built-in flash (*4).
(*4) Usable function may vary depending on camera system and connection method
EV. Controller to adjust exposure of S-TTL Auto
It is simple to fine-tune flash power in S-TTL Auto by dialing the EV Control Switch on the back control panel. Adjustable range is 3 steps to increase and 6 steps to decrease, to suit to personal preference or different exposure control characteristics among camera models.
Next generation wireless TTL
The Z-240 Type 4 successfully amplifies receiving optical signal from the slave sensor 20 times more comparing to previous Z-240 Type 3 to provide wireless S-TTL Auto mode using a mirror instead of an optical cable. Attaching optional Wireless Connection Kit on the Z-240 Type 4 and combined with a housing via Shoe Base Set or Grip Base D4 Set creates a handy S-TTL Auto shooting set.
13-step Manual / 24-step External Auto
The Z-240 supports professional needs for sophisticated and precise lighting by its 13 step Manual mode with 1/2EV. increments and by semi-automatic 24 step External Auto mode with 1/4EV. increments which determines strobe output based on onboard sensor. INON unique Advanced Cancel Circuit benefits you with faster recycle time and more images per battery set to eliminate drawbacks when using with a pre-flash type digital camera where the built-in flash always burst full dump.
High-intensity 180 lumen power LED
Focus Light with shutter linked auto OFF function
Multifunctional Focus Light for supporting focusing as well as for using as an indicator of strobe charge status since it turns on in synch with strobe's ready LED lamp. The Z-240 Type 4 uses high-intensity 180 lumen power LED as Focus Light which is also usable as an independent diving light producing 180 lumen/20° coverage. The Focus Light automatically turns OFF in synch with shutter release where it quenches emitting light at the time of pre-flash under Optical D Cable Connection with a pre-flash type digital camera, so it is never recorded in an image (*5).
(*5)Focus Light may be recorded on an image depending on camera system, connection method and shooting condition.
Integral pre-flash mode detecting function
Fully compatible with a camera like Nikon digital SLR cameras D700/D300/D200/D90/D80 which alter number of pre-flash between once or twice depending on shooting condition making total flashes twice to three times. The Z-240 automatically identifies number of pre-flash to activate adequate program to support proper functioning of External Auto, Manual as well as precise S-TTL Auto mode.
Manual + TTL Auto mode for film cameras
Newly introduced flash mode for hard wired film camera to pre-set maximum flash power in TTL Auto exposure to compensate the weakness of the TTL Auto mode. Conventional TTL Auto may not get along with a particular situation like shooting a swimming fish without colorful back ground where TTL Auto could deliver full damp resulting from TTL error. The Manual + TTL Auto mode can avoid this problem by manually setting necessary flash output for a subject to stop firing at pre-set flash amount in case of TTL error happens and benefit you to drastically reduce overexposed images.

Specs:

Model	INON Z-240 Type4
Strobe Control Mode (*1)	S-TTL Auto / External Auto / Manual / TTL Auto / Manual + TTL Auto (*10)
Connection (*1)	Wireless connection / Optical D Cable / Optical Cable / Optical D Slave Cable / Electrical Cable (*11)
Guide Number (*2)	24 [without a diffuser] 21 [with supplied -0.5 White Diffuser] 14 [with supplied -1.5 White Diffuser]
Settable Flash Output (*2)	24(FULL) 21(-0.5) 17(-1) 14(-1.5) 12(-2) 10(-2.5) 8.5(-3) 7.1(-3.5) 6.0(-4) 5.0(-4.5) 4.2(-5) 3.6(-5.5) 3.0(-6) (13 steps in 1/2EV increments)
Settable Aperture Value (*3)	F1.4+1/2EV. - F11 (1/2EV.increments, 12steps) F1.4+1/2EV. - F11+1/4EV. (1/4EV.increments, 24steps)
Focus Light (LED) Intensity	180lm (*4)
Beam Angle	100° x 100°circular beam [without a diffuser] 110° x 110°circular beam [with a diffuser] 20°[Focus Light (LED)]
Color Temp.	5500K [flash light, without a diffuser] 5400K [flash light, with supplied diffuser] Approx.6000K[Focus Light (LED)]
Recycle Time (5) (7)	Approx. 1.7 seconds minimum: ["eneloop" batteries (8)] Approx. 1.6 seconds minimum: [NiMH batteries (9)] Approx. 2.3 seconds minimum: [Alkaline batteries] Approx. 2.5 seconds minimum: [Lithium 1.5V batteries]
Flash Capacity (5) (7)	Approx. 240 flashes: ["eneloop" batteries (8)] Approx. 320 flashes: [NiMH batteries (9)] Approx. 220 flashes: [Alkaline batteries] Approx. 380 flashes: [Lithium 1.5V batteries]
Focus Light (LED) Operable Duration (6) (7)	Approx. 2hrs 20 min: ["eneloop" batteries (8)] Approx. 2hrs 50 min: [NiMH batteries (9)] Approx. 2hrs 00 min: [Alkaline batteries] Approx. 4hrs 00 min: [Lithium (1.5V) batteries]
Compatible Batteries	AA "eneloop" (HR-3UTG) x 4, or "new generation"NiMH batteries x 4 (8) AA NiMH x 4 [good quality] (9) AA Alkaline x 4 AA Lithium (1.5V) x 4 (Manganese batteries not compatible)
Focus Light Mode	[Single mode] Shutter linked auto OFF (manually turns ON / turns OFF upon shutter release) [Continuous mode] Shutter linked auto OFF (manually turns ON / turns OFF upon shutter release / automatically turns ON after approx. 0.5 second)
Dimensions	Diameter: 99mm/3.9in. Height: 122mm/4.8in. Depth: 100mm/3.9in. (*Not including Slave Sensor and Arm Base)
Weight	[air] 583g/20.6oz (without batteries) [underwater] Approx. 77g/2.7oz (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 / gray
Package Contents	Synch Connector Cap, Slave Sensor Cap, -0.5 White Diffuser 2 (TTL/Manual), W40° Filter LE, Red Filter LE, Light Filter Sticker Red, AC Circuit Switch Sticker (Film/Digital), Electrical Connection TTL Sticker, Spare O-ring (Battery Box, Synch Connector), INON Grease, TTL Insulation Plate x 2

(*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) Usable for External Auto mode. At, ISO100 equivalent film sensitivity.
(*4) Nominal value by LED manufacture.
(*5) Measured with FULL strobe output at 30-second intervals with both Focus Light (Z-240, D-2000) and Advanced Cancel Circuit OFF, at 25° / 77° F giving 10 minutes cooling period every 50 flashes.
(*6) Operable duration is accumulated time of continuous mode with 5 minute cooling OFF every 30 minutes (Z-240) / 60 minutes (D-2000) at 25° C/ 77° F with test batteries *Cooling OFF time is excluded.
(*7) 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.
(*8) 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,.
(*9) 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.
(*10) Usable when connecting to TTL Auto compatible camera / camera system via an electrical cable.
(*11) Compatible cord: 5-pin Sync Cord/N (Sea&Sea)

Test Battery:

"eneloop" battery	: SANYO "eneloop", HR-3UTG, 1.2V, Min.1,900mAh, Typ.2,000mAh
NiMH battery	: SANYO Twicell 2700 Series, HR-3UG, 1.2V, Min.2,500mAh, Typ.2,700mAh
Alkaline battery	: Maxcell ALKALINE ACE, LR6(K), 1.5V
Lithium battery (1.5V)	: FUJIFILM/Energizer LITHIUM,FR6, 1.5V

New generation NiMH batteries

SANYO	Model name: "eneloop"[recommended] Model code : HR-3UTG
SONY	Model name: Cycle Energy Blue Model code: NH-AA-2BKA, NH-AA-4BKA
Panasonic	Model name: Rechargeable NiMH(AA) Model code: HR-3MPS
Maha Energy Corporation	Model name: IMEDION Model code: MHRAAI4
GP Batteries International Limited	Model name: ReCyko+ Model code: 210AAHCBE
ANSMANN AG	Model name: maxE Model code: 5030991, 5030992, 5035052
Electrochem Automation Inc.	Model name: NEXcell energyON Model code: n/a(AA 2000mAh)

IMPORTANT BATTERY NOTE:

Inon strobes should only be powered with Sanyo Eneloop Rechargeable Batteries. Other rechargeable battery types will create excessive heat and may damage the strobe.

IMPORTANT PERFORMANCE NOTE:

There are operational limitations on the number of repeated flashes and length of use of the target or "focus" light with this strobe. After such usage there is a required cool down period during which the strobe must be powered off. A flyer is included in the box with each strobe with specific information regarding these limitaions. If you have any questions about these limitations please feel free to contact one of our staff.