Kaiser Fototechnik KR90, 3250 User guide

Kaiser
LED Ring Light KR90
3250

Operating Instructions

A

3

1

B

6

7

5

2

C

10

11

E

8

9

4

D

12

13

14

11

15

4

ENGLISH

(1) Ring light
(2) Front panel
(3) Protective bag
(4) Adapter rings
(5) 12 volt car charger cable
(6) Car charger plug
(7) Mains cable for quick charger
(8) Quick charger
(9) Charger plug
(10) On/Off switch
(11) 1/4“ tripod thread
(12) Dimmer
(13) Battery charge indicator LED
(14) Connection socket for charger /

car charger cable
(15) Type plate

1. Scope of supply (fig. A and B)

Ring light (1), protective bag (3), adapter rings
(4) with 72, 67, 62, 58 and 55 mm connection
threads, 12 volt car charger cable (5), quick
charger (8), mains cable (7) for quick charger

2. Application area

The KR90 ring light provides shadowless illumi­nation for close-up and macro photography. It
mounts on lenses with filter thread.

Please note:

- If the front element or the filter thread of your
lens rotates while the lens focuses, disable au­tofocus and focus manually to avoid damage
if the ring light is mounted.

- Vignetting may occur with wide-angle shots.

3. Charging the battery

The ring light is equipped with an integrated
lithium-ion-battery. Charge the battery prior to
first use.

Only use the quick charger (8) or the car charger
cable (5) supplied with the ring light.

Please check if the mains voltage is the same as
indicated on the type plate of the quick charger (8).

Plug in the plug (9 or 6) of the charger (8) or the
car charger cable (5) to the connection socket
(14) of the ring light (1) first. Then connect the

charger (8) to the mains or the car charger cable
(5) to a 12 volt socket (cigarette lighter socket) of
a car. The indicator LED (13) lights up red while
charging. If charging is completed, the indicator
LED (13) lights up green.

Note: You can use the ring light while it is con­nected to the charger or a 12 volt car socket
(provided that the battery is partly charged).

4. Attaching the ring light

The 77 mm connecting thread of the ring light
screws directly in the filter thread of your lens
(fig. E). If your lens has a smaller filter thread, use
the corresponding adapter ring supplied with the
ring light. There are adapter rings for 72, 67, 62, 58
and 55 mm filter threads.

The ring light has a 1/4“ tripod thread (11) and can
also be mounted on a tripod, ball head, swivel arm
etc. (fig. D).

5. Operating the ring light

Put the On/Off switch (10) in position „I“ to turn
on the light. (If the ring light does not light up,
check of the dimmer (12) is set to minimum.)

Light output can be adjusted continuously by
turning the dimmer knob (12). The change in co­lour temperature is only marginal.

Light intensity does not go down when battery
voltage decreases.

Set the On/Off switch (10) to „0“ when the ring
light is not in use.

The ring light shuts off automatically if the batte­ry needs to be recharged.

6. Safety notes

Avoid improper use and use your ring light only
with dedicated equipment.

Make sure that

- both water and flammable substances and li­quids are kept away from the unit,

- the ring light is not covered during operation.

After operation let the unit cool down before
boxing or packing it and make sure that it is
switched off.

Do not open the housing of the ring light.
Repairs must be carried out by qualified per-

sons only.

7. Maintenance and care

The ring light is maintenance-free. Make sure,
that the front panel (2) is free of stains and dirt. If
necessary remove these before operation.

Clean the light with a soft, dry cloth. On no ac­count use petrol or other cleaning agents and
solvents.

If the ring light is not used for a longer period
of time, a trickle charge is recommended from
time to time.

Use the supplied protective bag (3) to store or
carry the light.

8. Specifications

Ring light

Light source:

30 three-chip high performance LEDs
Colour temperature: approx. 5500 Kelvin
Illumination:

approx. 1850 lux at 30 cm (11.8 in.)

approx. 675 lux at 50 cm (19.7 in.)

approx. 170 lux at 1m (39.4 in.)
Angle of coverage (angle of half intensity):

110°
Minimum working distance: 3 cm (1.2 in.)
Battery type: lithium-ion
Battery capacity: 1500 mAh
Operating time:

approx. 2 hours (at full light output, longer

when dimmed)
Charging time: approx. 2.5 hours
Operating voltage: 12 volt
Main body: duralumin
Dimensions: diam. 142 x 34 mm (5.6 x 1.3 in.)
Weight: approx. 350 g (12.3 oz.)

Quick charger

AC 100 - 240 volt, 50/60 Hz
DC 12 volt / 1 amp

Right reserved to make technical modifications.

Kaiser Fototechnik GmbH & Co. KG

Im Krötenteich 2 · 74722 Buchen · Germany
Telefon [phone] · Fax [phone]
www.kaiser-fototechnik.de · [e-mail]

Printed in China 0913 000325000900