Additional information on Olympus Zuiko Lenses
Olympus Super-Telephoto lenses - Zuiko AUTO-T 300mm f/4.5

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Super Telephoto Lenses

The 300mm, 400mm, 600mm, and 1000mm lenses produce the most dramatic telephoto effects. Where the 100mm and 200mm gently changes the perspective, these super telephotos startle the eye by drastically compressing the space relationship of objects in the picture. And in situations that do not allow the photographer to get close to his subject, these super telephotos can produce images 6X to 20X, the size of those produced by a standard lense without even changing the camera position. Because of their extremely compact and lightweight design, hand held shooting is possible with both the ZUlKO 300mm f/4.5 and
Zuiko AUTO-T 400mm f/6.3 super telephotos. Both ZUlKO 600mm and 1000mm lenses have also been designed to be smaller then conventional lenses of equal focal lengths, However, these lenses should he used on a tripod for best results. Because of their extremely long focal lengths, using any of the ZUlKO telephoto lenses where atmospheric conditions are poor requires the use of filters to improve their efficiencies, in particular when hazy condition exists.

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F-Zuiko AUTO-T 300mm f/4.5

With only 1/6th the angle of view of a 50mm normal lense at around 8°. It takes 1/36th of the area covered by a 50mm to fill the 35mm picture frame. Taking a tiny 4 x 6mm section of a 35mm negative made with a 50mm lense while enlarging it to full frame equals the coverage of the 300mm. At one time it was automatically accepted by designers that there had to be 300 millimeters between the lense and the focal plane in a 300mm lense design. The lense mount also accounts for part of the overall size. However, Olympus has designed this 6X lense to be smaller (telephoto ratio 0.75) and lighter than other 300mm lenses, incorporation of a specially developed optical glass provides higher resolving power and a minimum of chromatic aberration.
<<< --- Credit: A front view of this Zuiko AUTO-T 300mm f/4.5 lense courtesy of Mr. Bob Whitmire" <> . Image copyright © 2002 All rights reserved.

The compact styling and superior performance makes this ZUlKO 300mm an ideal tele-lense for sports, wild life, and mountain photography even when it is handheld. Features a built-in retractable lens hood, a tripod collar allows free rotation in any desired position (horizontal. vertical, etc.) with the use of the clamping knob to lock desirable shooting format. The lense has a larger filter attachment size which accepts any 72mm threaded filter and usable with Tele-converter1.4X-A which can transform the lense into a 420mm f/6.3 super-telephoto lense !
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Credit: Both images courtesy of Mr. Emanuele "ebay-camera$®" <> who operates a popular Ebay Store on photo equipment Images Copyright © 2003. All rights reserved. .Please respect the visual property of the contributing photographer.

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For quite a long spell, this Zuiko tele-lense used to be the only super telephoto lense at 300mm focal length offered in the ZUIKO lense group prior to availability of the ultra-fast Zuiko AUTO-T 250mm f/2.0 ED-IF and Zuiko AUTO-T 350mm f/2.8 ED-IF and it has served many OM photographers.

Grand Tetons, Wyoming.

Taken just as a storm cleared. OM-4T, zuiko 300mm 4.5, Fuji Velvia.

<<< -- Credit: Image courtesy of Mr G. P. Logiodice®<>. Greg has an excellent website on his own. Image Copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.

The strategic decision of adopting the respective 250mm and 35mm focal length of the two new high speed telephoto lenses has enabled this Zuiko AUTO-T 300mm f/4.5 provides a good alternative for OM photographers who may need an affordable super telephoto lense to work with in their photography This lense has a more realistic suggested list price of USD650.00 - USD700.00 an unit. *Source: MacBroom's Camera Blue Book.


Current version: Zuiko AUTO-T 300mm f/4.5
Older version:
F-Zuiko AUTO-T 300mm f/4.5
Optical Construction
: 6 elements in 4 groups
(newer versions are multicoated)
Diaphragm: Automatic
Angles of view: Diagonal: 8°

Distance scales: 3.5m (11' 6") to infinity (OO)
Focusing: Straight Helicoid
Minimum and Maximum aperture: f/32 ~ f/4.5
Minimum photographic range: 21cm x 32cm (8.3" x 12.6")

Lens Hood: Built-in retractable design
Maximum diameter: 80mm (3.1")
Filter attachment size/Filters: 72mm screw-in
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.

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Length without lens hood extension: 181mm (7.1")
Weight: 1,000g (35.3 oz.) with tripod collar attached
Usable Tele-converter(s):

Recommended Focusing Screens: 1-1*, 1-4*, 1-6#. 1-7#. 1-10*, 1-13* and 1-14*. * Compatible. # 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..

<< --- Credit: Image courtesy of Mr. Bob Whitmire" <> . Image copyright © 2002 All rights reserved.

| previous | NEXT | 1/2 You cannot feature this lense without relating it to another Zuiko classic super telephoto lense, Zuiko AUTO-T 350mm f/2.8 ED-IF

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.