PAGE #14
"2810" SERIES
Lenses should be specified in the nearest appropriate focal length, as determined from the lens
chart on Page 29 and as selected from the following list:
Series II f1.9 (except as noted) coated six element projection lenses.
6000S 5.25" f2.0 6005S 4.00" f1.9 6024S 3.00" f1.9 6636S 5.75" f2.2
6001S 5.00" f1.9 6020S 2.00" f1.9 6025S 3.25" f1.9 6637S 6.00" f2.3
6002S 4.75" f1.9 6021S 2.25" f1.9 6248S 3.50" f1.9 6639S 6.50" f2.5
6003S 4.50" f1.9 6022S 2.50" f1.9 6255S 3.75" f1.9 6642S 7.00" f2.7
6004S 4.25" f1.9 6023S 2.75" f1.9 6635S 5.50" f2.1 6644S 7.50" f2.9
In the few instances when the projection port centers are too great to permit the manual changeover
described on Page 11, the following variation is recommended:
"2802" - 2000 foot capacity 35mm 1000 watt Motion Picture Sound Projector with
built-in sound and picture changeover and built-in microswitch changeover button,
with four conductor interlocking cable and polarized connector assembly.
The "2802" is identical to the "2810" except that the "2802" includes the special changeover
facilities. (See illustration on Page 13.)
OPTIONAL EQUIPMENT AND ACCESSORIES:
1 - #1640 - Pair 35mm 2000 foot capacity clamp-type rewinder.
1 - #1786 - 25 foot power, extension cable assembly.
1 - #1809 - R-2 35mm film splicer.
2 - #2601 - Adjustable, four-leg base - one required for each projector.
RECOMMENDED SPARE PARTS AND OPERATING SUPPLIES:
6 - # 399 - Exciter Lamp
1 - # 400 - Amplifier Pilot Lamp
6 - # 411 - Framing and Threading Lamp
6 - # 479 - 1000 watt, 115 volt Projection Lamp
1 - #1618 - 1 Pint Can Film Cement
1 - #1840 - 1 Pint Can Chain Oil
1 - #1866 - 1 Pint Can General Mechanism Oil
1 - #1874 - 1 Pint Can Intermittent Oil
2 - #4085 - Amplifier Fuse
1 - #4301 - 6 J 7 Amplifier Tube
1 - #4310 - 5 U 4 G Amplifier Tube
1 - #4314 - 6 N 7 G Amplifier Tube
2 - #4327 - 6 L 6 G Amplifier Tube
1 - #4362 - 6 S F 5 Amplifier Tube
2 - #4453A2 - Photo Electric Cell
6 - #5819 - 2000 foot, 35mm Welded wire Reel
4 - #7262 - Ventilating Motor Brush
CONVERSIONS:
Field-Convertible for projection of Cinemascope or Super- (See Conversions - Pages 25, 26,
scope Film and 27)
Field-Convertible for projection of Vistavision Film (See Conversions - Page 25)
Field-Convertible for Arc-Lamp Light Source (See Conversions - Page 14)
One Model "2810" can be field-converted to Model "10" to accommodate arc lamp light source by pro-
curing the following assemblies in the quantities indicated:
*1 - #1690 - Set Arc Lamp support Bracket with rectifier relay switch.
**1 - #1560 - Solid Adjustable Base.
1 - #2167 - Sound and Picture Changeover Kit Assembly
Arc lamps and arc lamp D.C. sources are not included in the above three items; arc lamps up to 70
ampere capacity can be accommodated by the "10". If the Ashcraft C70 arc lamp is utilized, speci-
fy with 14" reflector with 34" working distance, 5-5/32" focus, Strong specification 34 or equal.
* If conversion to arc utilizing Baby Strong Lamp is required, specify:
1 - #2564 - Baby Strong Arc Lamp Bracket - in lieu of one 1690.
** If conversion to arc utilizing Baby Strong Lamp is required, specify:
1 - #2601 - Four-leg adjustable base assembly may be selected in lieu of one 1560.
(See Illustration on Page 15.)