Ikelite DS51 Manuel utilisateur

Digital

Strobe

DS51

4044.1

Thank you for your purchase of kelite equipment. Please read this instruction manual

completely before attempting to operate or dive with this product. Please refer to the

back page of this manual to register your kelite product.

TABLE F C NTENTS

IKELITE DS51 DIG. STR BE ........3, 4

DS51 Specifications ........................3

ntroduction ......................................4

DS51 Strobe Use ............................4

Overview of DS51 Features ............4

Starting Out......................................4

M UNTING THE STR BE ............5

kelite Arm/Mounting Systems..........5

LITE BRACKET 4073......................5

STR BE C NNECTI N ................6

Connection to Strobe ......................6, 7

TTL/Sync Cords ..............................7

USING AS A TTL HARD-WIRED

STR BE ..........................................8

USING AS A HARD-WIRED STR BE

WITH UT TTL ................................9

USING AS A SLAVE STR BE........9, 10

BATTERY C MPARTMENT ..........11

Opening the Compartment ..............11

Battery Compartment O-ring............11

Changing the Batteries ....................11

Closing the Compartment ................12

Compartment Flooding ....................12

STR BE DIFFUSER ......................13

Using the Diffuser ............................13

Diffuser nstallation and Removal ....13

STR BE READY LIGHT ................14

Camera Ready Light ........................14

M DE SWITCH ..............................15

Off Position ......................................15

TTL/auto Exposure Position ............15

Manual Exposure Position ..............15

M DE SWITCH ILLUSTRATI NS..16

REC MMENDATI NS....................17

Visual nspections ............................17

nsurance ........................................17

Tips ..................................................17

Lubricant ..........................................17

MAINTENANCE ..............................18

Cleaning and Storage ......................18

TR UBLESH TING ....................19

Strobe Will Not Fire..........................19

PR DUCT REGISTRATI N ..........20

WARRANTY ....................................20

RETURNING PR DUCTS F R

SERVICE ........................................20

Bulkhead

Connector

(waterproof cap

removed)

ikelite

SUBSTROBE

Bulkhead Cap

IKELITE DS51 STR BE

DS51 SPECIFICATI NS

Weight ....................................................0.6kg (1.3 lbs.) with batteries

Energy Rating ........................................50 watt-sec.

Coverage Angle ....................................70° (80° with diffuser)

Widest Angle Lens ................................28mm SLR

Guide Number ( SO 100) feet ...............56 surface, 28 underwater

Guide Number ( SO 100) meters ..........17 surface, 9 underwater

Firing Modes ..........................................TTL/Auto, Full, 5 fractional powers

Color Temperature 5700°K

Power Source ........................................4 AA-cell alkaline, NiCad, or NiMH

Flashes ..................................................200 full power

Recycle Time..........................................3.5 seconds (full power)

Depth Rating ..........................................90m (300 feet)

CE - Compliant with applicable EU directives

Complies with FCC part 15, subpart B, Section 15.109 for Class “B” Products

Caution:

- The DS51 bulkhead connector is not waterproof and must be capped when not

connected to a cord or sensor. Using a DS51 underwater with the bulkhead

connector uncapped or unconnected will cause the strobe to flood. Do not

continue to use a flooded strobe: return to kelite for repair.

- The strobe is factory sealed; do not disassemble. Disassembly will void your

kelite DS51 limited warranty.

- Do not continuously fire the strobe more than 15 times above water in rapid

succession. f this does happen, allow the strobe to cool down for at least 10

minutes.

Strobe

Ready

Light

Mode Switch

Waterproof

Bulkhead

Cap

Battery Door

Knob

INTR DUCTI N

Thank you for purchasing an kelite Strobe. kelite brings over 45 years of underwater

photographic and lighting experience to the strobe market. kelite Strobes are designed

and built in the USA by kelite to suit both the professional and the amateur photographer.

DS51 Strobe USE

The purpose of a strobe is to illuminate the subject and assist the camera in taking vivid

pictures. The kelite DS51 strobe is equally suited for general and wide-angle

photography, covering up to 80° with a diffuser. The compact size of the DS51 makes it

ideal for macro photography while its 5700°K color temperature helps bring out the true

colors of the underwater world.

The kelite DS51 strobe is pre-flash compatible and operates with traditional film

cameras, DSLR cameras, and digital still cameras. TTL/auto and manual exposure with

five fractional power setting firing modes are featured. The DS51 electronics are safely

sealed away from the battery compartment.

Aim the DS51 strobe and illuminate your subject’s colors with the optional Mini-C Lite and

Lite Bracket 4073 (page 5). The bracket secures beneath the strobe, allowing the Mini-C

Lite to be used as both an aiming light and as a night diving light.

VERVIEW F DS51 FEATURES

- Mode switch features TTL/auto and manual exposure settings.

- Battery compartment accommodates four AA batteries: alkaline, NiCad, or NiMH.

Lithium-ion batteries are NOT recommended.

- Ready light indicates when strobe has recycled.

- Female kelite bulkhead connector accepts different camera sync cords and the

4403 Optical Slave Converter.

- Exposure guide label references recommended exposure settings.

- Diffuser provides softer lighting, wider coverage angle and reduces strobe output

by one f-stop.

STARTING UT

Before using the kelite DS51 Strobe, please read this owner’s manual thoroughly and

retain it for future reference. kelite recommends becoming familiar with the features and

functions of the kelite DS51 Strobe above water before trying the camera and strobe in

the water. And, if you have not yet done so, it is suggested that you read your camera’s

owner’s manual as well.

IKELITE DS51 STR BE

ikelite

SUBSTROBE

IKELITE ARM/M UNTING SYSTEMS

kelite offers several arm choices compatible

with the DS51. Arms and mounts are NOT

supplied with the strobe unless purchased as

part of a complete package.

The DS51 will accept several kelite strobe

arms and mounts on the underside of the

strobe body. For further information, please

visit www.ikelite.com.

Caution: kelite arm systems are designed for

underwater use. Be careful when transporting

the system above water since some camera

trays, or arm adjustments may be unable to

support the weight of the strobe(s) above

water.

M UNTING THE STR BE

Lite Bracket 4073

The optional Lite Bracket secures the

kelite Mini-C Lite underneath the

DS51 strobe for use as an aiming light

and night diving light.

The Lite Bracket is placed between

the strobe body and the strobe mount.

Using a Phillips Head screwdriver,

remove the strobe mount from the

underside of the strobe and secure the

Lite Bracket in its place. Then, using

the extra screw provided with the

Lite Bracket, secure the strobe mount

under the bracket.

Lite Bracket for

Mini C-Lite

ikelite

SUBSTROBE

Screw

4080.01 1-inch Ball

Arm System Mark

The female kelite bulkhead connector permits kelite sync cords to be connected to the

strobe. The sync cord relays a signal from the camera to the strobe that tells the DS51 when

to flash.

The removable waterproof bulkhead cap seals the bulkhead connector when a cord is

connected to the DS51. The strobe’s bulkhead connector must be sealed to remain

waterproof (page 7).

Caution:

- Do not leave the sync cord connected to the camera housing or strobe

for prolonged periods as electrolysis could occur and make removal of the

equipment impossible.

- Do not disconnect the sync cord from the camera housing or strobe when

underwater, or when wet. These items are not waterproof when disconnected.

C NNECTI N T STR BE

To connect a sync cord to the DS51 Strobe, follow these instructions:

1. Turn the strobe to OFF and make sure all components are dry. Clean and

lightly lubricate the stem o-ring and the bulkhead connector threads.

Check the o-ring for nicks or cuts.

2. Note the positioning of the receptacles and pins on the end of the cord. Properly

align the end of the cord and insert it into the strobe bulkhead connector.

When using the 4103.51 cord, which connects an kelite housing to an kelite

strobe, both cord ends are identical; either end can be connected to the

strobe.

3. The connector threads are very fine; do not cross thread. f it is difficult

to turn the knurled retaining ring on the cord or sensor, you are cross-threading.

This can make removal of the strobe impossible.

Hand-tighten the knurled retaining ring on the cord. Push the end of

the cord further into the bulkhead connector and continue to tighten the knurled

retaining ring. Do not use a tool when tightening. t could damage the

cord or strobe.

STR BE C NNECTI N

Bulkhead

Connector

(waterproof cap

removed)

ikelite

SUBSTROBE

Bulkhead Cap

Retaining

Ring

Stem O-ring

Blue

Band

STR BE C NNECTI N continued

kelite Sync Cord

TTL SYNC C RDS

kelite offers interchangeable sync cords so that the DS51 strobe can be connected to

different camera systems. A TTL sync cord (illustrated above) is required to send the

TTL/auto exposure signal from the camera to the strobe.

For use with the following types of systems:

- kelite housings for digital cameras with TTL conversion circuitry

- kelite housings for film cameras

- Nikonos V, RS cameras

- Non- kelite housings for digital cameras and compatible TTL adapter

Connect the strobe using an appropriate kelite TTL sync cord. Digital cameras require the

use of a Digital TTL sync cord. These cords are designated by a blue band at one end.

The DS51 may be used in TTL/auto or manual exposure modes.

TTL (thru-the-lens) exposure automatically compensates for aperture, distance and filters.

When the strobe fires, the camera reads the light and signals the strobe to turn off when

the exposure is correct.

Strobe output can be adjusted in TTL/auto mode using either exposure compensation built

into the camera or an exposure compensation control (dial or push buttons) located on the

back of the housing (if applicable).

f an exposure compensation control is featured in the back of the housing, strobe output

may be controlled manually while the strobe itself is left in TTL/auto mode. n order to use

the manual exposure modes on the strobe itself, the housing electronics must be set to a

manual position.

When using a non- kelite TTL adapter or third party conversion circuitry, please refer to

the product instructions for help in using the DS51 with this setup.

USING AS A TTL HARD-WIRED STR BE

Retaining

Ring

Stem O-ring

Blue

Band

kelite Sync Cord Nikonos Sync Cord

For use with the following types of systems:

- kelite housings for digital cameras with external strobe connector but without

TTL conversion circuitry

- Non- kelite housings for digital cameras with Nikonos-style strobe connector

Connect the strobe using an appropriate kelite sync cord. The DS51 must be used in

manual exposure modes. Strobe output is not automatically adjusted for proper exposure

when set to TTL/auto mode.

USING AS A HARD-WIRED STR BE WITH UT TTL

USING AS A SLAVE STR BE - Diagram A, Page 10

Trigger your kelite DS-series strobe off any camera or strobe flash. The Optional 4403

Optical Slave Converter simply attaches to the strobe's electrical bulkhead in place of a

sync cord connector. The enlarged slave window provides approximately a 90 degree

field of view for remote triggering; or you can thread on the Fiber Optic Port (included

with Slave Converter) for the attachment of and triggering with a fiber optic cord.

The Optical Slave Converter automatically configures itself for compatibility with both

pre-flash and non pre-flash camera modes. No setting of small switches or confusion

over number of pre-flashes. Simply turn on your strobe and take one picture to configure.

The Optical Slave Converter can be extended using an optional 3-foot Extension Cord

for creative backlighting in wrecks, caves, and pool studio set-ups. t can also be used

above water for studio photography work.

The Optical Slave Converter supports manual exposure modes as set on the attached

DS strobe. TTL exposure mode is not supported.

Use of multiple strobes requires one Optical Slave Converter per strobe.

The Converter can be triggered off a camera flash or another strobe.

ikelite

SUBSTROBE

DS-51 Strobe Bulkhead

Plug Lock Retainer

O-ring, O-ring Sealing Groove

Plug Attachment Point for

kelite, SEA&SEA-type and

Olympus cables

4403 Optical

Slave Converter

Threaded Fiber Optic Port

Attachment 0314.4

Diagram A

USING AS A SLAVE STR BE - continued

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