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OneUW ONE160x Canon E-TTL Underwater Digital Strobe
OneUW ONE160x Canon E-TTL Underwater Digital Strobe
The OneUW ONE 160x underwater strobe is a powerful, high-quality underwater strobe suitible from super wide angle reef scenes to the most technical macro featuring a warm 130 degree beam angle.
At the heart of this advanced electronics system is a powerful CPU that manages the entire strobe with sophisticated digital communication software between the camera and the strobe, perfectly interfaced with the i-TTL protocols by Nikon. This operating mode allows us to get very accurate exposure of flash light without the aid or interposition of any converter. Auxiliary functions such as focus-pointing light and synchronization on the second curtain are also supported. In addition to the protocols managed with a synchro cable, the s-TTL mode is also supported with signal transmission by optical fiber. A second CPU manages the power circuits to optimize performances in every situation and maximize both duration and safety of the batteries. Selected component with strict quality parameters and an intelligent management of all the operational functions of the strobe ensure a very high level of reliability.
The body is made from a solid block of anti-corodal aluminum alloy machined with ultra-modern multi-axis CNC machining centers. The aluminum is surface treated and protected by a hard anodic oxidation with nanotech quartz coating which makes surface hydrophobic. All control shafts are made of stainless steel with double sealing o-ring. The various technical polymers selected for molding are extremely robust and perfectly suitable for use in water. The robustness of the realization allows the use of strobe in all technical dives, hyperbaric tests are performed at pressures equivalent to 200 meters depth.
To obtain these results, OneUW have designed the layout of the controls simplifying and rationalizing their functionality: no buttons, no switches, just two large lever selectors, a multifunction rotary control switch and a large, easily readable control display. This simplification, combined with the absence of sockets and related cables near the controls, has allowed this strobe to obtain a large maneuvering area, allowing wide visibility of the settings selected and easy operations even with gloves. The side lever selectors, the rotary control knob, the battery compartment cap open-close selector, have been designed with strict ergonomic criteria, in order to obtain optimal operating comfort and grip safety. The controls for their configuration are insensitive to hydrostatic pressure. You will operate them with the same effort at any depth.
The red MAIN lever selector on the left operates the control of the pilot light (in the two available powers) and the TTL flash light reading mode, both with a synchro cable and a fiber-optic cable connections. Protocol selection (Canon E-TTL, optical s-TTL) is automatic. The ⚡︎-PL-TTL control lamps indicate the flash readiness, the switching on of the pilot light and the selection of the TTL mode respectively. The black INPUT lever selector on the right allows us to select input and connection mode that we intend to use: synchro cable socket, fiber-optic cable socket, optical receiver on reflector for slave mode. The control lamps indicate the selected SYN-OPT-SLV input. The power control is delegated to the central rotary control switch, which operates an encoder.
In manual mode the adjustment will take place at ½ f-stop increments over a range of – 6, while if the TTL mode is selected, the control function will be dedicated to exposure compensation at ⅓ f-stop increments over a range of +/- 2. The selected setting for power or exposure compensation are clearly visible in the center section of the large display.
Simultaneous one-hand operation of the left and right lever selectors turns the unit on and off.
A high-quality light from the outset, a wide coverage angle, an evenly distributed power and a slightly warm color temperature: these are the guiding parameters that we have followed in designing, in shaping our light. The choice of the lighting element was without compromise, a customized professional circular flash lamp. OneUW also paid great attention to the design and surface treatment of the parabolic reflector, which combined with a spherical dome port allowed the strobe to obtain an optical design with excellent performance. A perfectly collimated LED coaxial pilot light with two power levels that can be selected manually, or automatically with focusing, facilitates strobe pointing operations.
Power is supplied by a removable NiMH battery pack made with the best professional high-energy cells from Panasonic. More than 250 flashes at full power are ensured with recharge times, electronically managed by CPU, ranging from 0.1 to 1.8 seconds. The dedicated desktop battery charger allows fast recharging in less than two hours. The control of the remaining charge is visible on the display every time the flash is turned on and off.
OneUW designated the utmost attention to safety, providing the battery pack with a short-circuit protection, making the battery compartment watertight and equipping the closing cap of the compartment with a safety valve. Safe for transportation and use, practical and quick to replace, with a second unit you will always have available in a few moments a reserve of energy for all your needs. No limitation for its air transport in the cabin.
Full interface, no limitations on use. The strobe is equipped with both S6 type synchro cable socket and Sea&Sea type fiber-optic cable socket. The connections arranged in line on the body back make it easier to operate on the main controls and protect the cables from the stress of accentuated bending, thanks to their natural orientation. An optical receiver is located on the front reflector for slave flash mode.
To ensure optimum data transmission between the DSRL and this strobe, OneUW have commissioned a synchro electric cable with high-quality multi-wire conductors and special outer coatings that are particularly flexible and resistant to use in the marine environment. All connector components are designed and manufactured in anti-corodal aluminum with hard anodizing treatment or moulded with the best technical polymers. The connections available in this system are the classic NikonosV and the very reliable S6.
Inverted display mode
The position of the strobes is variable according to the configuration of use and the number of units. A single strobe positioned on top of the housing for the macro close up, as well as a double unit supported and oriented by arms for wide angle photography. With this latter setting the strobes will be rotated by 180° making it difficult to read the control display in the upside down position. The simultaneous operation of the left and right lever selectors for a given time allows the numerical indication of the central display to be inverted, making it possible to read always easily the selected values of power or compensation, regardless of the flash position. The execution of this command is combined with the emission of a low-power flash, useful for quickly checking the operation of the strobe even without d-SRL connected.
Rotary control switch sensitivity
The right "click" to each position. The sensitivity we have in operating a control in air is lost or strongly attenuated in water due to the very nature of the element. The central rotary control has been given the correct sensitivity, even with the use of gloves, replicating and amplifying the encoder’s proprietary shots by means of a divider disk with tip marking position. The components are made of hard anodized teflon-coated aluminum and anti-friction technical polymer. The rotation of the control is thus fluid, precise and with the right “click” to each position.
Battery compartment cap
A solution analyzed down to the smallest details. An important element for the safety of the system. The body, seat of the sealing o-ring, is made of high-quality anticorodal aluminium protected by a hard anodizing treatment, the locking shaft is made of stainless steel. The structural strength and deformation of the component, such as the verification of the specific pressure of the couplings, were calculated and analyzed by FEM simulations. The opening is easy thanks to the ergonomic selector, made of molded technical polymer, equipped with safety release and locking in the open position. Operational safety, in the event of any malfunction of the battery pack that generates dangerous gas inside the battery compartment, is guaranteed by the presence of a special over-pressure rilef valve made of stainless steel.
Power output reading
For precise energy control and management. In TTL mode, the amount of light is dosed automatically. Knowing how much is the strobe output energy in case you want to take additional shots by varying the aperture or shutter speed is useful and valuable information. For this reason, after every shot in TTL mode, the display shows the percentage of power output supplied by the strobe. In this way, it is possible to vary the exposure parameters in the right way, always ensuring full power coverage of the strobe.
- CNC machined with high-quality anti-corodal aluminum and hard anodized
- Shooting modes: Canon E-TTL, s-TTL, film TTL, manual
- Circular flash lamp, warm color, on parabolic reflector with dome port
- Input by S6 synchro cable socket, Sea&Sea fiber-optic cable socket, slave sensor
- Ergonomic controls insensitive to hydrostatic pressure
- Input, operating mode and power level showed on digital display
- Battery pack, neoprene bag
- Desktop battery charger
- O-ring set, User Guide
- 2 years warranty on strobe
- 1 year warranty on battery pack
Max energy: 157 Ws (J)
Manual mode power control range – steps : Full -6 f-stop - 1/2
TTL mode EV control range – steps : ± 2 f-stop - 1/3
GN Guide number ISO100-1mt : 20
GN Guide number ISO100-1mt - detection angle : 20-90° | 18-110° | 16-130°
Beam angle : 130° (circular)
Number of full power flashes : over 250
Recycle time : 0,2-1,8 sec
Color temperature : 4.600 °K
Pilot light : Led 200 lm 10° 2 steps
Power supply : interchangeable battery pack
Battery type and capacity : NiMH 4,8V 3050mAh
Battery charging time : 90 min
Flash arm connection : M6 threaded hole
Dimension Diameter x Length (controls included) : 99x200 mm
Weight in air battery included : 1480 g
Weight UW battery included (with neoprene cover) : ≈-190 g (≈ -70 g)
Max operating depth : 200 m
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