Modern Classic SLRs Series :
Olympus OM-1(n) & OM-2 (n) - OM Flash System
OM T32 Electronic Flash Unit

 

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Olympus TTL Electronic Flash T32 The Olympus T45 may be a dream-setup for professional photographers who often engaging with flash photography, but it is bulky and too large for mobility. In comparison, the versatile T32 system flash is more than just enough for most amateurs because it possesses many professional features - some of them where very original & trend setting ideas by Olympus and introduced for the first time is a commercial production flash.

OlympusT32 .jpg
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: Instruction Manual for T32

Technical Highlights: The basic T32 is a compact camera mounted flash unit with a adequately powerful Guide Number of 32 (ISO/ASA 100, meters or 104 (ISO/ASA100, feet)). It provides two Manual and three normal Auto settings in addition to TTL Auto Flash, and has a exceptional flash angle wide enough for a 24mm super wide-angle lens (It is possible to use to the Wide Flash Adapter to extend the coverage to cover superwide view of Olympus Zuiko 21mm f2.0 !)
t30backview.jpg
As minimum recycling time is just 0.2 sec., short bursts of motor driven flash photo sequences are also possible provided the subject is reasonably close enough for proper illumination. The back panel of the T32 is reversible to provide extremely easy auto or manual settings and a three-way choice of power supply with either 4 x 1.5v AA penlight batteries, rechargeable Ni-Cd cells or regular household AC current via an adapter. It has also incorporated with a very considerate circuit design where it will only fire WHEN it is switched to "ON". Switch it to "OFF" position and it will remain on the camera and will NOT fire even if it is full charged.

NOTE: If the panel is reversed the T32 can be used in automatic computer flash mode with three apertures. If you wish manual control is possible when it can be cut down from a guide number of 32 to 16.

It also comes with a very useful built-in bounce mechanism that can be angled 90° up for fully automatic bounce flash in normal Auto mode as well as with TTL Auto with any Olympus SLRs that capable of providing such feature (Or via accessory Bounce Grip). It can also angles 15° down to take care of extra close-up shots. Besides, there is a viewfinder ready light for flash that meant for full charge indication and correct exposure confirmation with virtually* all OM SLR cameras.

Bounce.jpg

* Early batches of mechanical M1, OM1 and early electronic OM2 bodies were not provided with such function yet; however, from the OM1n and OM2n onwards (via Shoe 4), all OM SLR bodies introduced later are equipped with this feature as standard only if you are using a dedicated Olympus T-series flash model.


Sounds great ? No ? Oh... just imagine - it was a product that was introduced some 20 years ago and it leads competitions almost by a full generation - if an electronic product can be sustain its popularity and still around serving all current OM SLR users, it certainly deserves some great respect. All because Olympus has successfully integrate a high performance and very an extremely well designed flash in a highly portable format and yet without bursting one's budget.
To just conclude the T32 as a very well made flash unit is rather unfair, because it was essentially designed as a nucleus of a system concept of how the originator envisioned a perfect flash system would be like. The most important feature of the professional Electronic Flash T32 system flash is its amazing TTL OTF Auto feature when used with a camera that equipped with such capability such as the older OM-2 or even the latest OM3Ti or 4Ti.

shoe4top.jpg footlock.jpg
<<<--- To use the T32 with any Olympus SLRs that has a removable Accessory Shoe design, ensure you are using the right combination of Camera/Shoe/Flash models. For the popular OM1n/OM2n, the correct shoe type is Shoe 4 with T32.

Because the flash is totally controlled by the camera so there is no need for any exposure calculations or settings even for bounce flash, diffused flash lighting, off-the camera flash or simultaneous use of multiple flash.Technical it opens up a lot of potential photographic possibilities which previously would require tedious exposure calculation. For an instance, now, flash can be used over a distance range from about twice as close to twice as far as with normal auto flash and the angle of flash measured is always precisely the same as the angle of the taking lens. The principle used on the first OM2 and the current OM4Ti which is more than 20 years later are essentially, very similar in nature as well as in flash/camera operation where TTL Direct OTF* Light Measuring Method and Centralized Control System, automatic exposures are calculated in real time. When used with a camera which is TTL flash ready, such as an OM-2, the SBC light sensors used for the metering circuit in TTL flash mode read the light that actually hits the film plane during the exposure and when the right amount of light has reached the film the camera's electronic brain automatically terminates the exposure. In normal photography, this is done by closing the shutter. Because flash duration can be extremely fast and intense, the electronic circuit of the camera body will, first cuts off the flash signal before closing the shutter curtain.

NOTE:- TTL"OTF" Auto is an exclusive OLYMPUS flash system in which the flash emission is measured Off the film plane by the OM-2s TTL Direct "OTF" Light Measuring sensors, and the flash unit is controlled directly by the camera.

T32Cal_Panel.jpg

The idea is simple. It means that the only factor affecting the OM-2's exposure decision is the amount of light that actually reaches the film through the taking lens. It doesn't matter which way the flash is pointed, what angle lens or lens aperture is used, how bright the flash or subject is or how many flash units are used (Olympus suggests up to nine units, provided they are all linked with a camera such as an OM-2). Olympus was so confident in their TTL flash that it even has a simple notice on the T32's back panel stating: "full automatic control by OM-2."

Note: Olympus uses the Calculator panel with front an back usage. Shown is a Reverse Panel for the big OM electronic flash T45 bracket flash operating in TTL mode.

Olympus Electronic Flash
T32 Main Specifications

Type: Energy-saving, series-circuit type TTL Centralized Control (TTL OTF AUTO) flash unit (with NORMAL AUTO and MANUAL capability).
Guide Number: 32 (ASA100, meters) or 104 (ASA100, feet). Coverage 53° vertical, 74° horizontal.
Angle
Flash Duration: 1/40,000 - 1/1,000 sec.
Recycling Time: 0.2 - 10 sec. with AA alkaline batteries on TTL AUTO and NORMAL AUTO (varies depending on flash -to-subject distance).
Flashes per set of AA Alkaline Batteries: 100 - 500 on TTL AUTO and NORMAL AUTO.
Tilting Angle of Down: 15°, up 90°. (7 click stop positions
Flash Diffuser Window: at -7.5°, 0°, 15°, 30°, 45°, 60° and 75°).
Connection to Camera: (1) On-camera clip on (via hot shoe); (2) Off-camera w/wo Power Bounce Grip 2 via TTL Auto Connector T4 (T3) and TTL Auto Cord with OM-2N (OM-2), OM3, OM4 and other Olympus SLR cameras that provide OTF flash exposure control system and mechanical OM-1N, OM-3 series bodies.
Exposure Calculator: Reversible plate type - blank for OM-2N (OM-2 or other Olympus SLR cameras that provide OTF flash exposure control system) for TTL "OTF" Auto/Manual flash; calculator for OM-l N (OM-1), OM-10 and non-Off cameras for Normal Auto/Manual flash.
Aperture Setting: Continuous, couples with aperture ring setting of camera lens. SBC Sensor
SBC Sensor Acceptance Angle
: Matches view of camera lens.

< TTL "OTF" AUTO > (OM2 series, OM3Ti, OM4 series, OM40, OMAF and other Olympus SLR cameras that provide OTF flash exposure control system): Aperture Setting continuous, couples with aperture ring setting of camera lens.
TTL AUTO check: Neon-flicker indication.
Viewfinder indication: contact provided.
Ready Light Check: Charge lamp and viewfinder indication contact.
Working Range: 0.18 - 26 m (0.5 - 86 ft.)
NORMAL AUTO Aperture Setting: 3 apertures (F4, F5.6 and F8 at ASA100).
AUTO Check/Ready Light Check: Same as with TTL "OTF" Auto.
MANUAL: Guide Number: Hl - 32 (ASA100, m), 104 (ASA100, feet) and LOW -16 (ASA100, m), 52 (ASA100, feet).
Working range for guidance only (ISO 100):
F/1.2: 3.4-26.0rn (11.3- 86.7 ft.)
F/1.4:
2.8-22.0rn 9.3- 73.3 ft.)
F/2.0:
2.0-16.0rn 6.7- 53.3 ft.)
F/2.8:
1.4-11.0rn (4.7- 36.7 ft.)
F/4.0:
1.0 - 8.0m (3.3-26.7 ft.)
F/5.6:
0.7 - 5.6m (2.3-18.7 ft.)
F/8.0:
0.5 - .4.0m (1.7-13.3 ft.)
F/16:
0.25- 2.0rn (0.8- 6.7 ft.)
Termination of Light: Instantaneous. With power switch off
Light Emission: With power switch off, T32 will not fire even when fully charged.

< NORMAL AUTO >
Aperture setting: 3 apertures (F4, F5.6 and F8 at ISO 100).
Normal auto sensor acceptance angle
: Approx. 20°
Working range
: 1 - 8m (3.3 ft. - 26.7 ft.) at 4F; 0.7 - 5.6m (2.3 ft. - 18.7 ft. at F5.6; 0.5 - 4m (1.7 ft. - 13.3 ft. ) at F8 (ISO100).
Auto check
: Neon-flicker indication. Viewfinder indication contact provided.
Ready light check
: Charge lamp and viewfinder indication contact.

< MANUAL >
Guide number
: 32,16 (ISO 100 m).
Test button for NORMAL AUTO Check & MANUAL flash
: Push-button type.
TTL auto cord socket
: Plug-in type.
External power socket
: Plug-in type.
Power Source : (1) 1.5v 'AA' battery x 4 (incl. Ni-Cd) inside T32. (2) 1.5V 'C' battery x 4 (incl. Ni-Cd) inside Power Bounce Grip 2. (3) AC house current via Electronic Flash AC Adapter 2 and are activated by T32 ON/OFF switch.
Dimensions & Weight: 104 x 81 x 70mm, 320 gram. (less batteries); (4.1 " x 3.2" x 2.8", 11.3 oz.)

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Shared Resources: Supplementary articles: TTL Metering, Depth of Field, Shutter Speed & Aperture
Motor Drive and Power Winder: Main Index Page (4 Parts)
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