Specifications

SEKONIC
METERS
318
LIGHTMETERS
Zoom Master L-508 and Digital Spot F L-778
SPECIFICATIONS FOR L-508 and L-778
MODEL L-508 L-778
PHOTO CELL Silicon Photo Diode Silicon Photo Diode
MEASURING SYSTEM Ambient and Flash Zoom Spot Ambient and Spot Flashmeter
DISPLAY READOUT Cool Blue Display Green L.E.D. in Viewfinder plus Side Panel Digital L.C.D. and Analog L.C.D.
FILM SPEED I.S.O. 1 to 8,000 1 to 12,500
F-STOP f/1 to f/128.9 f/0.5 to f/128
SHUTTER SPEED 1/8000 sec. to 30 min. 1/8000 sec. to 30 min.
CINE SPEED 2 F.P.S. to 360 F.P.S. 8 F.P.S. to 128 F.P.S.
FLASH SYNC TIMES 1 to 1/1000 sec. 1 to 1/1000 sec.
ANGLE OF COVERAGE Incident 270°/Reflected 1° to 4° Interchangeable from 1° to 3°
SENSITIVITY AT 100 I.S.O. EV-2 to EV19.9 EV1 to EV20.9
VIEWFINDER Variable 1° to 4° Single-lens type with pentagonal prism of fixed focus, Magnification approximately 1.34 times. Viewing angle
parallax-free spot 14.6° (diagonal angle). Diopter correction 2.5 to 1.2 diopter. Viewing displays circles comprised of 1° and 3°
acceptance angles, and digital display of angle of acceptance selected together with measured value.
POWER SOURCE One AA Battery Two AA Batteries
DIMENSIONS 3.3 x 6.1 x 1.6” (82 x 161 x 39mm) 6.8 x 3.8 x 2” (173 x 96 x 52mm)
WEIGHT 8.5 oz. (240g) 12.2 oz. (346g)
Subject to change without notice
Technical Advice Available
Zoom Master L-508 (401-508)
The L-508 Zoom Master is the
one lightmeter that fits every
exposure challenge for the pro-
fessional or dedicated enthusi-
ast. With the turn of a switch,
you can select the ideal reflec-
tive measuring angle - between
1° to 4° zoom. It is also an
incident meter with a 270°
swivel head. The L-508 Zoom
Master spot and flashmeter,
with its built-in retractable
lumisphere, are all safely pro-
tected in a rugged, sealed all-
weather housing.
Item # SEL508................429.00
Digital Spot F L-778 (401-778)
The Dual Spot F L-778 is a
variable 1° to 3° spot flashme-
ter with a latitude zone setting
for obtaining optimum expo-
sure. Continuous ambient
readings with a memory mode
that retains up to 5 measured
values. Ambient readings are
changeable to flash reading
with a single mode selection
button. The meter can be
mounted onto a tripod via a
tripod screw. Can be mounted
on a hot shoe for wireless
remote triggering.
Item # SEL778................699.00
5° Optical Spot
Viewfinder for L-318B
and L-328
(401-802)
This optical spot viewfinder
allows both direct flash and
ambient 5° spot measure-
ments when used with the
Digilite L-328. Direct ambi-
ent 5° spot measurements
are possible when used with
the Digilite L-318B.
Item # SESA5328......
109.95
5° Optical Spot
Viewfinder
for L-718
(401-803)
The optional 5° Optical
Spot Viewfinder allows
both direct flash and
ambient 5° spot read-
ings when used with the
Digimaster L-718 ambi-
ent and Flashmeter.
Item #
SEVF5L718.........
133.95
Accessories for Digital Meters
Synchro Cord for all
Flashmeters
(401-801)
Specially designed “T”
style PC cord (3 leads)
allowing for easy flash
connections between the
meter, camera and
strobe. Extra long, 5m
(15 foot) length is com-
patible with all Sekonic
flashmeters.
Item # SESCL718...29.50
Pinpoint Attachment
for L-718
(401-804)
The Pinpoint
Attachment L-718PP
allows “Groundglass”
measurements for
medium and large
format users when
used with the
Digimaster L-718.
Item #
SEFOAL718......
55.95
5° Optical Spot
Viewfinder (401-802)
Digital Spot
F L-778
Zoom Master
L-508