Additional information on Olympus Zuiko Lenses
Olympus Super-Telephoto lenses - Zuiko AUTO-T 400mm f/6.3

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E-Zuiko AUTO-T 400mm f/6.3

The design concept of this lense was to bring out a compact 400mm telephoto lense which can exert fully the versatility of OM-1 in super-telephotography. The compact construction and automatic diaphragm and straight Helicoid focusing mechanism facilitates hand held shooting with a 400mm previously thought impossible. ideal for outdoor photography, particularly sports, photojournalism, etc. which require fast reaction of the photographer. The lense has a built-in retractable lense hood and accepts a 72mm threaded filter.
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<<< --- Credit: Images courtesy of Adorama® Inc. "Ebay - Mathew Duren" <ebay@adorama> URL:, who also operates a popular Ebay Store. All images appeared herein are Copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.

With an angle of view of 6°10' and 8 times the image magnification of a "normal" 50mm lense, this Zuiko lense with its long reaching 400mm focal length proves it can deliver comparable optical performance for occasions or events that may prevent a photographer from getting close are cases where the use of a super telephoto lense is necessary. The only drawback of this lense is its relatively small aperture which may restrict it to use as an all round tele-lense for these kind of photo assignments. However, with advantages offer by modern fast film types, this is not entirely an issue. A distinctive characteristic of this E-Zuiko AUTO-T 400mm f/6.3 lense is its remarkable compact lense design and ability to offer uniform outstanding optical excellence that makes for impressive telephoto performance despite it has not been incorporated with any special optical glass to counter common aberrations Some of the early versions of this lense may not be multicoated but throughout its entire product cycle, most would believe latter versions marketed after 1984 may have been multicoated even if it does not indicated with a "MC" designation on the lens data.

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Moon rise

Just when we arrived at the lodge, the moon appeared beyond the mountains. Fortunately, the backpack with the Zuiko telephoto lens was still within reach. Most of the time you feel silly while carrying a lens of 1 kilo, sometimes not! Date: 28-10-1998, sunset. Equipment: kodachrome 64, Olympus OM40

<<< -- Credit: Image courtesy of Mr Erwin Voogt® <>. Greg has a website on his own. Image Copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.

For a super telephoto lense, lense handling of this Zuiko is excellent. A rotable tripod collar which is also removable facilitates easy shooting and change of formats at any directions. The direct helical focus has been specially design with a shorter rotation for quick and responsive focusing. With a compatible Tele-converter(s): 1.4X-A this lense may be converted into a 550mm f/8.8 super -telephoto lense !

This lense weighs 1300g, which is only 30% heavier than a corresponding Zuiko AUTO-T 300mm f/4.5 lense. With a listed price (new) at USD1750-00* - which costs almost double than a comparing 300mm Zuiko counterpart really needs some justification and probably a main reason why it never enjoys a widespread popularity as with the shorter 300mm lense. *Source: MacBroom's Camera Blue Book. Used unit may range from USD900.00-USD1000.00.


Current version: Zuiko AUTO-T 400mm f/6.3
Older version:
E-Zuiko AUTO-T 400mm f/6.3
Optical Construction
: 5 elements in 5 groups

Diaphragm: Automatic

Angles of view: Diagonal: 6° 10'
Distance scale
s: 5m (16' 4") to infinity
Focusing: Straight Helicoid
Minimum and Maximum aperture: f/32 ~ f/6.3
Minimum photographic range: 24cm x 36cm (9.4" x 14.2")

Lens Hood: Built-in retractable design
Maximum Diameter: 80mm (3.2")
Filter attachment size/Filters: 72mm screw-in type
Usable Tele-converter(s):

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Tripod Mount: A self-contained tripod mount allows free rotation. Tighten the tripod screw firmly into the tapped hole of the tripod mount. It can be locked in a desired position (horizontal. vertical, etc.) with the clamping knob. There are four holes on the tripod mount and the entire collar is removable for handheld shooting.
Length without lens hood extension: 255mm (10")
Weight:1,300g (2 Ibs 14oz.)

<<< --- Credit: Image courtesy of Adorama® Inc. "Ebay - Mathew Duren" <ebay@adorama> Webisite URL:, who also operates a popular Ebay Store.Image Copyright © 2003. All rights reserved.

Recommended Focusing Screens: 1-1**, 1-2*, 1-3**, 1-4*, 1-6#. 1-7#, 1-8*,1-10*, 1-13** and 1-14**. * Compatible.** Compatible. But Microprism, plit prism edges of the finder may darken. # The 1-6 or 1-7 (microprism-clear field type) offers a brighter image. but the meter built into the OM-1 and OM-2 (on MANUAL) does not give correct light readings. With the OM-2 on AUTO, correct exposures are made on the film, but the meter needle does not give correct light readings.

## More info on "Picture Angle" or make use of the Glossary section in PIM site..

| previous | NEXT | Step up to the 500mm focal length with a REFLEX Zuiko lense

ZUIKO Telephoto lenses | 85mm | 100mm | 135mm | 180mm | 200mm | 250mm | 300mm | 350mm | 400mm | 500mm REFLEX | 600mm | 1000mm

A Brief overview on Zuiko Optics
Zuiko Fisheye Lenses
8mm f/2.8 Circular Fisheye | 16mm f/3.5 Full Frame Fisheye
Zuiko Ultra-Wideangle Lenses
18mm f/3.5 | 21mm f/2.0 | 21mm f/3.5 | 24mm f/2.0 | 24mm f/2.8
Zuiko Wideangle Lenses
28mm f/2.0 | 28mm f/2.8 | 28mm f/3.5 | 35mm f/2 | 35mm f/2.8 |
Zuiko Standard Lenses
40mm f/2.0 | 55mm f/1.2 | 50mm f/1.2 | 50mm f/1.4 | 50mm f/1.8 | Zuiko 50mm f/2.0 PF
Zuiko Medium-Telephoto Lenses
85mm f/2.0 | 100mm f/2.0 | 100mm f/2.8 | 135mm f/2.8 | 135mm f/3.5
Zuiko Telephoto Lenses
180mm f/2.0 EDIF | 180mm f/2.8 | 200mm f/4.0 | 200mm f/5.0 Auto-T (brief)
Zuiko Super-Telephoto Lenses
250mm f/2.0 EDIF | 300mm f/4.5 | 350mm f/2.8 EDIF | 400mm f/6.3 | 500mm | 600mm f/6.5 |1000mm f/11.0
Special application Zuiko optics:
24mm f/3.5 Shift | 35mm f/2.8 Shift | 500mm f/8 Reflex | AF Zoom 35-70mm f/4.0 | Zuiko 50mm f/2.0 PF

Tele-Converters: 1.4X-A / 2X-A

Zuiko Macro/Close focus lenses: Zuiko AUTO MACRO 20mm f/3.5 | Zuiko AUTO MACRO 20mm f/2.0 | Zuiko AUTO MACRO 38mm f/3.5 | Zuiko AUTO MACRO 38mm f/2.8 | Zuiko AUTO MACRO 50mm f/3.5 | Zuiko AUTO MACRO 50mm f/2.0 | Zuiko AUTO MACRO 1:1 80mm f/4.0 | Zuiko AUTO MACRO 90mm f/2.0 | Zuiko AUTO MACRO 135mm f/4.5

Zuiko AUTO-Zoom Lenses - Main Index page
| S-Zuiko AUTO Zoom 28-48mm f/4.0 | Zuiko AUTO Zoom 35-70mm f/3.6 | S-Zuiko AUTO Zoom 35-70mm f/4.0 | Zuiko AF AUTO Zoom 35-70mm f/4.0 | S-Zuiko AUTO Zoom 35-70mm f/3.5 ~ f/4.5 | S-Zuiko AUTO Zoom 35-70mm f/3.5 ~ f/4.8 | Zuiko AUTO Zoom 35-80mm f/2.8 ED | Zuiko AUTO Zoom 35-105mm f/3.5 ~ f/4.5 | Zuiko AUTO zoom 50-250mm f/5.0 | Zuiko AUTO zoom 65-200mm f/4.0 | S-Zuiko AUTO zoom 70-210mm f/4.5 ~ f/5.6 | Zuiko AUTO Zoom 75-150mm f/4.0 | Zuiko AUTO Zoom 85-200mm f/4.0 | Zuiko AUTO Zoom 85-250mm f/5.0 | S-Zuiko AUTO Zoom 100-200mm f/5.0 |

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Maintainers for OM Zuiko Site & Message Board: Rick Oleson (Email: Website:, Bruce Hamm (, John Orrell (, Simon Evans, (; Shaun (, Andy Radcliffe (

Special thanks to: Gregory P. Logiodice, Bob Gries, Erwin Voogt, Joel Wilcox, Rick Oleson, Simon Evan and many others for granting permissions to use their images of either lenses, cameras and own pictures appeared in this Zuiko website.

Credit: My old time buddy, Ahmad Ikram, Dr of Rubber Research Institute (RRI), Malaysia who shares the same passion with me and also lending his OM-1n, OM-4 and the Motor Drive 1 to me for preparing some images in this site; Mark Dapoz <>for reminding some broken links; Mr Poon of Foto Poon, Ipoh, Mr Richard, Ampang Park, Mr Lim and Miss Jenny of Foto Edar for their generosity for their OM1(n), OM2n camera and some Zuiko lenses. Mr Hans van Veluwen for mistakenly using some content earlier from his OM website; J Sorensen for providing some useful images to rectify some technical "flaws"; Mr Gen Holst for helping during the early stages of development of this OM site; Mr KKLow for some of his earlier images on the OM-1appeared in this website; Miss Wati and Mirza for helping me to convert this Operation Manual into a HTML format. Mr MCLau for rectifying some mistakes made on the earlier preview sites. A personal tribute to the creator of the OM system and also a site dedicated to all the fans of Olympuses and Zuiko Optics worldwide. Some of the content and images appeared in this site were scanned from OM official marketing leaflets, brochures and instruction manual(s) for educational purposes. Olympus is a registered trade name of Olympus Optical Inc., Japan. Site created 'unfortunately again with an IMac.