SOOW FRESNEL SPOT
Inexpensive, variable-spread spotlight
utilising the low cost, widely available
500W Class T
lens diameter
collecting nearly 30% more light
than the 115mm ( 4½-in) lens size of the
Patt. 45 which
circular beam is variable from a small, high
intensity spot to a medium angle flood by a
fast, slide focus knob moving in a fully
baffled slot.
The Model 833 incorporates many of the
features of the professional theatre Model
803 including four, full length baffled
ventilation slots and internal runners, with
safety catch , for the Cinemoid/Chromoid
colour frame .
available including a rotatable,
bamdoor attachment to contain and ~hape
the edges of the soft-edge beam .
/1 lamp, or its equivalent. The
is a full 150mm (6-in)
this replaces . The soft edged
A full range of accessories is
four-door
2032004
D
Order Codes
Model 833 Fresnel Spot, 15° / 48°
500W 240v
lamp 9,500 lm, 200
Class T /1 non-halogen
hr. av. obj. life
2032004
34 111 IT
Dimensions
Scale 1:10
Weight s.7kg
Carton size
Packed weight 6.8kg
450 x 435 x 435mm
270mm
2032004
Performance
Typical performance, based upon
500W 240v Class T /1 calibrated lamp,
C.13 filament, 9,500 lm. 200
1
12 peak angle 8" spot variable to 42° flood
1
o pe ak angle 15° spot variable to 48" flood
/ 1
22,000 peak candela (cd) at spot variable to
3,000 candela (cd) at flood
---Spot
- - Intermediate
----Flood
hom
cd
Peak
LUX.
25,000
20,000
15,000
10,000
5,000
2500
2000
1500
1000
500
I\
'
\
\
r-....
I',,
"
f,>
~~
~--
--
0 5° 10"
Degrees from axis
I
I
1\ \
I
I
I
I
.
I
I ,' I•
I
I/
,~
, '
I,
b::-
0 2m 4m 6m
Throw Distance in metres
-
I
\
,
_,
'
r----..
\
\
,
,
\
\
k-'
,,
--
I',
I
·'
\
'
"•-
I_.,
--
--
-
15°
,
,
,
..
I\.
L.-),
I:><
--
,
,/
1..,..,-·
.•
"'-
i.---
r-....
-
-·
-. .... _
v '
i-
--
-·
8m
"~~
25°
,,,,,,.
j..-
--
I
Specification
Lamphouse
Pressed steel housing incorporating full length
baffled ventilation slots, Internal access
provided by
cover
Fork
Mild steel, reversible , with a 90mm dia friction
disc and handgrip knob for positive tilt clamp ,
Fork threaded and supplied with
washers , and wingnut for compact suspension
and swivel clamp .
Lampholder
P.28s medium prefo cus por celain bod y, fitted
with lm external length of
insulated and sheathed flexible cable se cured
by a strain-relief gland and glass fibre sleeved
within the lamphouse .
Lens
150mm dia. short-focus Fresnel lens of
borosilicate glass recessed mounted with
spring clips from within the lamphouse .
Adjustment
Fully baffled , bottom slide focus of lampholder
relative to lens ; moved and locked by a heatresisting handgrip knob.
Colour Frame
Double internal runners with swing safety catch ;
one 165mm square colour frame supplied for
'Cinemoid ' sheet or thin-film 'Chromoid' . Flat
front of housing also has thread-inserts for add on colour change accessory .
Finish -
High temperature staved texture black.
Lamps
500W max . P.28s (medium prefocus ) base .
55.5mm light centre length .
Class T /1 recommended .
Accessories
165mm2 lens guard , 25mm mesh
Rear grab handle
Clip-on rotatable Barndoor
Net weight 0.8kg
Additional Colour Frame
Net weight 0.2kg
Colour Change Wheel , 24v
Net weight 2.15kg
temporary removal of the top
3
/s-in. Whit bolt ,
3--conductor
27 885 02
kit
27 857 79
2389409
27 79217
23 89007
The Company reserves the right to make any
variation in design or construction to the
equipment described
Rank Strand Electric
A Division of Rank Audio Visual Limited
P.O. Box 51, Great West Road
Brentford, Middlesex TW8 9HR
Telephone : 01-568 9222 Telex : 27976
Loading...