Additional information on Olympus Zuiko Lenses
Olympus Super-Telephoto lenses - Zuiko AUTO-T 350mm f/2.8 ED-IF

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Among the three high speed white-bodied Zuiko tele-lenses, the longest focal length is the Zuiko AUTO-T 350mm f/2.8 ED-IF. The lense shares many optical and physical characteristics with the other two Zuiko equivalent in Zuiko AUTO-T 180mm f/2.0 ED-IF and Zuiko AUTO-T 250mm f/2.0 ED-IF. As address earlier, these lenses are easily rank brightest in their class and has made the OM system more appealing to professional photographers.

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<<< -- Credit: Image was scanned from a OM-4 Sales Manual.
Zuiko AUTO-T 350mm f/2.8 ED-IF

The early version of this fabulous Zuiko super telephoto lense was supplied in an all matte-black finish. The 07/1985 publication of OM-4 camera still have both pictures of the grayish-white as well as black version printed. The OM system catalogue of 1984 only shown with the white-bodied lense in it. There was no logical explanation why the black was replaced but more likely due to cosmetic changes to distinguish this elite class of Zuiko optic from the rest. After all, these series of Zuiko do carry many optical innovation never found on other Zuiko super-telephoto lenses previously.

As per my personal assumption why Olympus has chosen the odd focal length for their new breed super-telephoto lenses earlier, (read: Zuiko 250mm f/2.0 EDIF section); this USD5,500-00 Zuiko blockbuster Zuiko Super-tele-lense carries a more significant reason to support my theory as simply, there are no alternative and/or equivalent optic to compare its pricing and even performance. But to a photographer who is also smart in financial investment, the good choice of lense speed and focal length mid between the two super telephotographic range of 300mm and 400mm has made the price seemingly very reasonable if others are available for price/performance evaluation. It only takes a seasoned photographer who has owned a similar lense type to appreciate its true value offers. As most often, even if 300mm focal length, a 6.5X long reach as compared to a standard 50mm lense is good enough for a great varieties of photographic topics, but sometimes you will wish you have another 100mm more in focal length extension while on the other hand, those who has the 400mm would wish he can have another f-stop extra to use for struggling against slow shutter speed in super-telephotography. Thus, the good combination of lense speed and focal length is designed as a compromise for someone who often work at locations. With a compatible Teleconverter(s): 1.4X-A this lens may be transformed into a 500mm f/4.0 ED-IF super -telephoto lense !

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With its superb image-forming ability and excellent lens handling design, for sports and news photos as well as for shooting wildlife, or in stage fashion and/or shooting inaccessible subjects or events, this lense will heighten picture-taking possibilities even in unfavorable conditions.

<<< -- Credit: Image was downloaded from British Defense Ministry archived photo library. The original image can be accessed by clicking here. The use of image complies within guidelines issued by Crown copyright owner. Image does not suggest any equipment relationship with Olympus but solely for content-supporting purposes in this website.

The use of ED glass for this kind of long focal length is a good move. As natural light consists of a mix of wavelengths spanning the spectrum from infrared to ultraviolet. The light that has passed through a Ions is dispersed, with the different wavelengths coming to focus at different distances from the lens. This phenomenon is increasingly pronounced as the focal length becomes greater, resulting in color shift and blurred images. The 350 mm lense uses a specially developed optical glass which possesses a low refractive index and low dispersion characteristics to keep chromatic aberration inherent to the super telephoto lenses to absolute minimal level.


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<<< -- Credit: Both images of this Zuiko lense were scanned from a 1985's OM Sales Catalogue.

This Zuiko lense incorporates a rotating cam (internal focus) for silky smooth and responsive focusing to capture any picture-taking opportunities. The internal focusing design also enables him to shoot at close distances down to 3 m (10 ft.) and at such distance, an impressive reproduction ratio 1: 7 can be achieved.

Note: Olympus has warned the front element of the lense uses a special material less hard than the conventional lenses, so that greater care should be taken to protect it from scratching. When not taking pictures, be sure to put the front lense cap on. Filter Replacement and Filter Holder: A NEUTRAL 46 mm rear filter comes with the lense as standard accessory. The filter is a part of the lense optical system, so that be careful to always use the neutral filter when any other filter is not used. After replacing the filter, focus adjustment is necessary.


Current version: Zuiko AUTO-T 350mm f/2.8 ED-IF
Optical Construction
: 9 elements in 7 groups
Diaphragm: Automatic

Angles of view: Diagonal: 7°
Distance scale
s: 3.0m (9' 8") to infinity
Focusing: Internal focusing/rotating cam design
Minimum and Maximum aperture: f/32 ~ f/2.8
Minimum photographic range:
17 cm x 25 cm (6.7" x 9.8")

Lens Hood: Built-in retractable design, extend or retract the lens hood by rotating it.
Maximum diameter: 142mm
Filter attachment size/Filters: 46mm REAR slip-in type

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. A carrying strap lug is provided at the side of the lense for easy carrying and a leatherette soft lense pouch is supplied as standard accessory.
Length without lens hood extension: 280mm
Usable Teleconverter(s):
Weight: 3,900g
(8 lb. 10 oz.)

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..

| previous | The F-Zuiko AUTO-T 300mm f/4.5

| NEXT | 2/2 The real super telephoto range starts from 400mm - E-Zuiko AUTO-T 400mm f/6.3

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.