Olympus Zuiko Lense 소개
Zuiko ultra wide-angle lens - 18mm f/3.5

The lens with the widest angle of view among all Zuiko lenses. If you have master photography with ultra-wideangle lenses, it can be quite addictive. Considering its spectacular angle of view and overall performance, this compact Zuiko lens is a very attractive entry lens for super wideangle photography. Depending on your interest and subject matter, it can be an ideal choice for a wide variety of applications, such as journalism, architecture, fashion or even portraiture.

Unlike many other manufacturers, Canon in particular, which have been actively introducing ultra-wideangle zoom lenses, Olympus still stay relatively conservative in its approach with such initiative. Exotic high performance zoom lenses such as the New FD 20-35mm f3.5 L and even an astonishing EF 17-35mm f/2.8L zoom lens have been introduced by Canon and Nikon alike, for any OM users who wishes to have a hand on experience with these zoom lenses, the only possible option is to look at third party lens manufacturers.

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Rider from Team Marboro Yamaha test ride the new Sepang F-1 Circuit at Kuala Lumpur, Malaysia, venue for the yearly FIM World 125, 250 & 500.C.C Motorcycle Championship.

Credit: Always work in closely with your subject of interest, the effective working distance between the rider and the photographer in this picture could well be within 2-3 feet away.  
Well, not all photographers are comfortable with such ultrawides zoom lenses (Admittedly, not me..) and with such wide angle field of view, handling prime lens does has its advantage, especially when you have more experience with its effect, you may even able to visualize how the visual effect will be liked without an lens on camera. Well, although I don't think Olympus would spring some surprises by introduced an equivalent lens type, but for focal length wider than 21mm, your only option within the Zuiko family is only at this 18mm lens. With a field of view of almost 2.20X that of a 50mm lens, the main technical highlight its rectilinear distortion-free image despite its extremely wide coverage.

Another remarkable optical breakthrough is its optical design where it employs with a close range optical correction system to extend its high optical performance to close focus range. This can be put to good use in many potentially creative photographic applications. Ultra wide-angle lenses such as this 18mm lens from Olympus can be quite tricky to master because the nature of ultra wideangle lens can encompass so much, there is a need to compose selectively. Another aspect of applications for such lens is, photograph taken with a lens type will project a sense of spaciousness. For a unique visual impact, ultrawides is capable of delivering images taken at very close distances. With a minimum focusing distance of 25cm (9.8 inches), its comprehensive perspective combined with maximum depth of field will produce unusual images taken up close.

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Zuiko 18mm F3.5

Fully corrected for aberrations, so straight lines are always reproduced straight, this lens has a super wide 100° viewing angle.

Extra close focusing with automatic correction of aberrations makes it very useful for special effects. Another optical characteristic of ultrawides is its rectilinear lens design it will reproduce straight lines as straight lines without distortion. It is, therefore, a perfect choice for photographing in tight interiors with a restricted camera-to-subject distance.

Despite has its minimum aperture scale at f/16, but the immensely deep depth of field inherent in this lens should be adequate for most photographic situation and it is also helpful to render scenes that may uses slow shutter speed in low light situation while gaining extra depth of field. For instance, by just setting the lens distance scale at 6-10 feet, everything from a few feet near to infinity will falls within the zone of sharpness. This means that precise focusing is not always imperative, so this lens is particularly helpful when there's little time to focus, such as when photographing fast action or covering news and for reportage photography. The lens has an unusual filter diameter of 72mm and may posts some compatibility problems with other OM filter accessories.

The Zuiko 18mm f3.5 was also the fastest lens you can get from the market at this focal length. Both Nikon (18mm) and Canon (17mm) offered a slower f/4.0. The Nikon only started to offer their f/3.5 lens almost 6 years later after the OM zuiko lens was first marketed. Thus, the OM zuiko lens has always been on th forefront in terms of technical and optical excellence during those days.

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N O T E: As no photographer in the world would possess ALL the lenses within a single trade name.You are always encouraged to replace these reserved slot for sample images above shooting with a lens type detailed above - just mail in your creative visual, a little caption relative to the background information will help a lot to let other understand how you prepared the shot. Please mention IF you require a complimentary link and where should it be pointed at. Naturally, I DO NOT like to disappoint anyone, but in order to maintain my self-set standard in the PIM website - I would prefer to have high quality input rather than in quantity, if your image is NOT selected for broadcasting in this site, give it a try the next time but I do promise every image will be view and consider carefully. I do appreciate your consideration in this matter.

Specification:

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Older Version: K-Zuiko AUTO-W 18mm f/3.5
Current Version:
Zuiko 18mm f/3.5
Focal length
: 18mm
Aperture ratio: 1:3.5

Lens construction: 9 groups, 11 elements
Angles of view: Diagonal: 100°
* More info on "Picture Angle".
Distance scale: (m) 0.25 to infinity (
oo)
Focusing: Helicoid
Lens Hood: 72mm use
Adapter Ring 49->72
Aperture Range: f/3.5-f/16
Diaphragm: Automatic
Filter Size:
Screw-in (w.Adapter Ring 49->72)
Maximum diameter: 62mm
Length: 42mm
Weight: 250g (8.8 oz)

Recommended Focusing Screens: 1:1*, 1:2** , 1:3*, 1:4*, 1:5#, 1:10*, 1:13*, 1:14*
* Compatible. Focusing and exposure accuracy remains. ** Compatible, Focusing and exposure accuracy remains intact but micropsrim, corners of the screen and split image may darken. # Can be used, they provide accurate focusing but exposure error may occur in manual mode for OM1 and OM2 series models.

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