Modern Classic SLRs Series :
Olympus OM-1(n) & OM-2 (n) - Macro photography Part II

 
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Contin... | ALSO CHECK WITH THE NEW MACRO LENSES SECTION |

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Zuiko 1:1 Macro 80mm F4/ Close-up Lens 80mm Macro f= 170mm The world's very first 35mm SLR lens designed specifically for life-size reproductions. It functions at its best at a 1:1 ratio, but gives outstanding images from 1/2 to 2x life-size, the range of magnifications available when used with the Auto Bellows. With the Telescopic Auto Tube it goes up to life-size, and the close-up lens is used to extend the range to 2x magnifications. Great for slide copying, philately, etc.

Type: Zuiko 1:1 Macro 80mm f/4.0; Angle of view: 9° at highest magnification; Optical Construction: 6 elements in 4 groups; f-stop range: f4.0-f32; closest focusing distance: With AUTO tube or bellow unit; weight: 170g (6.0oz); length: 31mm; filter size: 49mm; recommended focusing screens: 1:1, 1:2, 1:3, 1.4, 1:4N, 1:10, 1:11, 1:13, 1:14

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Zuiko Macro 90mm F2.0 Another fastest macro lens in its class. Ideal for a great variety of subjects with its extra working distance for composition, lighting arrangement while maintaining a safe distance for some moving subject. Since the focusing range extends to infinity, it also allows the use of regular photographic applications. The fast lens speed provides a bright and comfortable viewing inside the viewfinder.

Type: Zuiko 1:1 Macro 90mm f/2.0; Angle of view: 27°; Optical Construction: 9 elements in 9 groups; f-stop range: f2.0-f32; closest focusing distance: 0.4m (1.3ft); weight: 550g (19.4oz); length: 71mm; filter size: 49mm; recommended focusing screens: 1:1, 1:2, 1:3, 1.4, 1:4N, 1:10, 1:13, 1:14

macro135mm.jpg
Zuiko Macro 135mm F/4.5 Shoots from infinity to life-size with the Auto Bellows, or 0.43x magnifications with the Telescopic Auto Tube, giving long working distances and minimal perspective distortion. This is a great general purpose macro lens, and also specially suited to medical macro applications. It has a helicoid ring for fine focusing. To make composition and focusing easier, it features an F4 open aperture for viewing only.

Type: Zuiko 1:1 Macro 80mm f/4.0; Angle of view: 18° at highest magnification; Optical Construction: 5 elements in 4 groups; f-stop range: f4.5-f45; closest focusing distance: With AUTO tubes or bellow unit; weight: 320g (11.3oz); length: 47mm; filter size: 55mm; recommended focusing screens: 1:1*, 1:2*, 1:3*, 1.4, 1:4N, 1:10, 1:11, 1:13*, 1:14 * * Not designed to operate correctly in Programmed AE mode with OM2SP or OM40

Zuiko Macro 38mm F/2.8 Fully automatic aperture and a serves with a very bright F2.8 maximum aperture are some of the technical highlights in this highly specialized lens for picture taking in a range from 1.7 to 6.7x magnifications. Its contrast and resolution are reputedly high, and aberrations are well contained - even at its wide open apertures. For use with the Auto Bellows or Telescopic Auto Tube. A helicoid allows fine focus adjustment. Accepts all OLYMPUS lens mounted macro flash units.

Type: Zuiko 1:1 Macro 38mm f/2.8; Angle of view: 9° at highest magnification; Optical Construction: 6 elements in 4 groups; f-stop range: f2.8-f22; closest focusing distance: With AUTO tube or bellow unit; weight: 170g (6.0oz); length: 46mm; filter size: 49mm; recommended focusing screens: 1:1*, 1:2*, 1:3*, 1:4N, 1:10, 1:11, 1:12, 1:13*, 1:14* * Not designed to operate correctly in Programmed AE mode with OM2SP or OM40

macro38mm.jpg
Zuiko Macro 38mm F/3.5 An early design of the OM Macro bellow lens before Olympus introduced the higher speed version, the lens combines the best in optical performance and great portability. It weighs merely 90g and has a length of only 28mm. A discontinued lens replaced with the faster speed 38mm f/2.0.

Type: Zuiko 1:1 Macro 38mm f/3.5; Angle of view: 9° at highest magnification; Optical Construction: 5 elements in 4 groups; f-stop range: f3.5-f16; closest focusing distance: With AUTO tube, PM-MTob or bellow unit; weight: 90g (3.2oz); length: 28mm; filter: 32mm slide-on; recommended focusing screens: 1:1*, 1:2*, 1:3*, 1:4, 1:10, 1:11, 1:12, 1:13*, 1:14* * Not designed to operate correctly in Programmed AE mode with OM2SP or OM40; for OM1 and OM2 series bodies, meter needle indicates proper exposure but microprism, split prism and edges of the finder get dark.

Zuiko Macro 20mm F/2.0 Assures brilliantly clear and sharp image reproduction from 4.2 to 16x life-size. The super bright F2 aperture makes focusing and composition beautifully simple. The use of high refractive index, low dispersion glass succeeds in eliminating aberrations almost completely. As with the 38mm lens, the front is tapered to avoid casting shadows on the subject and leave a clear light path for flash, etc. Accepts all lens mounted macro flash units.

Type: Zuiko 1:1 Macro 20mm f/2.0; Angle of view: 9° at highest magnification; Optical Construction: 6 elements in 4 groups; f-stop range: f2.8-f22; closest focusing distance: With AUTO tube or bellow unit; weight: 170g (6.0oz); length: 46mm; filter size: 49mm; recommended focusing screens: 1:1*, 1:2*, 1:3*, 1:4N, 1:10, 1:11, 1:12, 1:13*, 1:14* * Not designed to operate correctly in Programmed AE mode with OM2SP or OM40

Zuiko Macro 20mm F/3.5 Perhaps can easily goes into the record book as the tiniest and lightest macro lens. It weighs only 70g and the length is just 20mm. Together with the Zuiko Macro 38mm f3.5, both of these lenses were the earliest design of the OM Macro bellow lens, the lens enjoys a fine reputation as a high quality optic which always provide excellent optical results. I think it has been discontinued and replaced with the faster speed 20mm f/2.0.

Type: Zuiko 1:1 Macro 20mm f/3.5; Angle of view: 9° at highest magnification; Optical Construction: 4 elements in 3 groups; f-stop range: f3.5-f16; closest focusing distance: With AUTO tube, PM-MTob or bellow unit; weight: 70g (2.5oz); length: 20mm; filter: 21mm slide-on; recommended focusing screens: 1:1*, 1:2*, 1:3*, 1:4*, 1:10*, 1:11, 1:12, 1:13*, 1:14* * Not designed to operate correctly in Programmed AE mode with OM2SP or OM40; for OM1 and OM2 series bodies, meter needle indicates proper exposure but microprism, split prism and edges of the finder get dark.

A big portion of the old or newer macro lenses featured above required an extension tube in the form of either an bellow or extension tubes in between.

Olympus Auto Bellows for MacrophotographyThe Auto Bellows is placed between the OM body and taking lens to adjust the distance between them for close-up and macrophotography. The basic extension unit for higher magnification macrophotography, especially in studio and other indoor situations. The Auto Bellows includes the bellows section, focusing rail and focusing tripod mount. Magnification and focusing can be adjusted separately. The basic unit has a focusing rail which is 23cm in length. The maximum extension range of the Auto Bellows is 36-198mm (or 56-218mm with the lens reversed). When the Auto Bellows is used with an automatic lens, mounted either in normal position or reversed, the aperture iris diaphragm built into the lens can be stopped down either simultaneously with the shutter release by using the Double Cable Release, or prior to the exposure by using the Preset Lever.

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Focusing is via moving the Focusing Rail which provides a steady, smooth movement of the OM body for accurate precise focus. There are various magnification indexes which engraved on the Focusing Rail surface for use with a Slide Copier for duplicating work. The front of the Lens Mount Board should be aligned to the orange-white line, and the camera body mount can be adjusted according to the lens position. 1x and 1.5x magnifications are graduated for the 1:1 Macro 80mm and Macro 50mm lenses. Dimensions: 74 x 132 x 240mm and weighing 930g.

Note: When the Auto Bellows is used with a manual lens, the aperture can only be operated with the Aperture Ring on the lens. This unit incorporates a removable lens mount board which requires no adapter to reverse the lens when a lens with a 49mm filter thread is used. : the bellows side of the Lens Mount Board and Camera Body Mount Board have a Series VI screw thread that optionally can be used for filters. For mounting a OM body onto the bellow, the Camera Body Mount can be removed from the Camera Body Mount Board by loosening the Camera Mount Clamping Screw. Focusing Screens recommended for the Auto Bellows are 1-4, 1-10, 1-11 and 1-12.

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Although it gets the best results with the special Zuiko macro lenses, it can in fact be used for close-up and macro pictures with a variety of OM System lenses. The lenses are used at preset apertures, but coupled with the Double Cable Release, the Auto Bellows provides the equivalent of automatic aperturing for extra convenience in seeing and focusing the subject. Use of the Auto Bellows makes it especially easy to take advantage of the huge range of lenses, lighting and other units in the Macrophoto Group. In operation, the length of the extension determines the magnification ratio with respective macro bellow lens attached.

Main drawback is its bulkiness which restrict portability. You need not have to buy a new unit as, with a little luck, you may try to get a used unit instead. But bellow has more application than just going to the studio or outside to shot macro pictures, many photographers use it to duplicate slides which Olympus also offers a host of specialized accessories for such purpose. When the whole unit is mounted on a tripod, it is very difficult and unstable to move around with the whole tripod, although the focusing rail itself can be moved forwards and backwards on a small platform to make focusing easier but it is still advisable to predetermine the distant you want to get close to the subject before you prepare the setup of the whole unit.

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Focusing Stage A base mount attached to the Focusing Rail, or Auto Bellows, on which the camera is attached. Focusing Rail Used in conjunction with the focusing stage. It can be attached to the Copy Stand, a tripod or the Macrophoto Stand B Adapter.

Double Cable Release To give automatic aperture capability to bellows macro lenses, it is attached both to the bellows and the camera release button, and activates the two simultaneously.

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Olympus OM-1(n): Main Index Page (5 Parts) | Camera Operations (6 Parts)
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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)
Motor Drive 1 | Motor Drive 2 | Winder 1 | Winder 2
Flash Photography:
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T45 | T32 | T20 | F280 | S20 | Qucik AUTO 310 | QA300, 200, 200S
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Macro Flash Units:
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Accessories:
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