Specifications for Canon 300 TL Flash Unit

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Specifications:

Type: Energy-saving, automatic electronic flash unit with pre-flash function, TTL metering function measuring light reflected from the film surface, and an automatic flash output control function using spot metering. Exclusive use for the T90 camera. Clip-on type with directly coupled contacts.

Guide number:

	Flash Head Position
	24mm	35mm	50mm	85mm
M Hi	25 (ISO 100-m)	30 (ISO 100-m)	35 (ISO 100-m)	40 (ISO 100-m)
	82 (ISO 100-ft)	98 (ISO 100-ft)	114 (ISO 100-ft)	131 (ISO 100-ft)
M Lo	6.2 (ISO 100-m)	7.5 (ISO 100-m)	8.7 (ISO 100-m)	10 (ISO 100-m)
	20.5 (ISO 100-ft)	24.5 (ISO 100-ft)	29 (ISO 100-ft)	32.7 (ISO 100-ft)

Note: The above figures are at full charge, i.e. 30 sees after pilot lamp glows with new alkaline or fully charged Ni-Cd batteries.

Flash Coverage Angle: Covers more than the fields of view of 24mm, 35mm, 50mm and 85mm lenses.

Recycling Time:
Alkaline-manganese batteries: Auto: approx. 0.2 to 13 secs. M Hi: approx. 13 secs; Ni-Cd batteries: Auto: approx. 0.2 to 6 secs. M Hi: approx. 6 secs. (Interval between firing of the flash and relighting of pilot lamp with new alkaline or fully charged Ni-Cd batteries.)
Number of flashes:
Alkaline-manganese batteries: approx. 100 - 700 times. Ni-Cd batteries: approx. 45 - 300 times. (Counted when flash is fired in 30 sec. intervals with new alkaline or fully charged Ni-Cd batteries.)
Flash duration: Approx. 1/700 - 1/20000 sec.
Flash Control System: TTL series control system with pre-flash function.


For Both the A-TTL and FEL Modes

	Shutter Speeds	Aperture Value
Shutter Priority AE	Set between 30 and 1/250 sec	Automatic setting (between the maximum and minimum aperture of the lens).
Aperture Priority AE	Automatic setting (between the maximum and minimum aperture of the lens)	Set between the maximum and minimum aperture.
Programmed AE	Automatic setting (30 - 1/250 sec.)	Automatic setting * (between the maximum and minimum aperture of the lens).

* In the FEL Mode, between either f/2 or the maximum and minimum settings of the lens.

Flash Exposure Level Control: A maximum of 1.5 BV steps in the A-TTL or FEL mode when subject illuminance is more than BV5 according to the center-weighted average metering system of the T90.
Automatic Shooting Distance Range (in program mode at ISO 100)

Zoom Head:

at 24mm: 0.5 - 12.5m (1.6 - 41 ft) at 35mm: 0.5 - 15m (1.6 - 49 ft) at 50mm: 0.5 - 17.5m (1.6 - 57.4 ft) at 85mm: 0.5 -20m (1.6 - 65 ft)

Film speed setting: Automatically set by the camera
Bounce angle: Upward: 0 - 90° (click stop positions: 0, 60, 75, 90).
Left side: 0 - 180° (click stop position: 0, 60, 75, 90, 120, 150, 180).
Right side: 0 - 90° (click stop position: 0, 60, 75, 90).

Power Source: Four size-AA (LR6) alkaline manganese or Ni-Cd batteries.
SE (Save-Energy) mechanism: Power is automatically turned off after 5 minutes of non-use when the main switch is left on.
Pilot Lamp: Lights when the flash is ready for use and automatically switches to flash photography. Also used as a test button.
Size: 81mm (W) x 119.4mm (H) x 94mm (D) (3-3/16~ x 4-11/16" x 3-11/16")
Weight: 395 g (13-15/16 ozs) without batteries.

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T-90 Camera Manual (Only available in HTML Format) (new) :| Canon 300TL Flash ; Canon A and T series SLR cameras. (new)

Selective Canon TTL Flash Models:- 300EZ | 300TL | 420EZ | 430 EZ | 480EG | 540EZ | other non-TTL Canon flash models

An external source Prepared by Christian Rollinger for Canon 300TL Flash Operational Manual in PDF (2.04MB)

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Credit: Pawel Nabe for his image on the Data Memory Back. EEwyn Foo, my nephew, who has spent quite a number of nights converting the original manual in HTML format. Mr. Richard Yeow, General Manager -Optical Division of Canon Marketing for granting special permission to reproduce this manual into HTML format in his site as a form of obligation to all the T90 users worldwide. Maintenance Team: Kaipin, Terry Carraway & Dr Strangelove; Tom Scott, for his images of the SPD cell, Chris Tutti for his initial effort to scan and prepared the T90 manual in PDF format. My staffs Miss Wati and Mirza for helping the basic setup work. * Canon, T90, FD Lenses, Canon Marketing are registered trade names or trademarks of Canon Inc. Japan.

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