Modern Classic SLR Series Contax RTS Shared Resources - Macro Photography - Part II

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Focusing Rail When attached to the Auto Bellows PC the entire camera, bellows and lens assembly moves as a unit to provide fast, accurate focusing. • Dimensions: 200mm (W) x 34mm (H) x 54mm (D) (7-7/8" x l-5/16" x 2-1/8") • Weight: 400grams. (14.1 oz.)

Slide Copier. Mounted on the front of the Auto Extension Bellows PC, the Contax Slide Copier is used to produce copies of slides or filmstrips, Horizontal and vertical adjustment is possible for extra freedom in cropping. Trimming capability is available. Trimming range: 10mm in every direction. • Dimensions: 131mm (W) x 97mm (H) x 180mm(D) (5-3/16" x 3-13/16" x 7-1/16".) • Weight: 375 grams (13.2 oz.)

Macro Stand The Contax Macro Stand is used in combination with the Auto Extension Bellows PC for photographing small objects such as insects, stamps, coins and many others.

Stage Glass Interchangeable stage glasses are available in various colors for the Macro Stand including transparent, milky white, red, yellow, orange, green and blue. The Macro Stand provides a pleasant unobtrusive background upon which specimens can be placed for macro photography. Changing these stage glasses is simple and very fast.

Auto Extension Tube Set Three extension tubes, a 13mm, 20mm and 27mm tube are combined into one set. These three tubes may be used singly or in any combination. Maximum magnification for the entire set with the 50mm F1.4 is 1.3X. These extension tubes automatically coupled with the diaphragm of the lens for bright focusing. Copyright ©-free Images collection. 2001, leofoo Malaysian Internet Resources

The magnification chart: (1) indicates the magnification when the focal index sets at infinity with the specified tube or tubes. (2) indicates the magnification when the focal index sets at 0.45m with the specified tube or tubes.

• The object distance and magnification when used with the Carl Zeiss Planar T* 50mm f1.4

	Magnification	Combination of Tubes	Object Distance
1	0.25X	311 mm	13 mm	* Contax Suggests the following lenses CANNOT be used with the 13mm automatic extension tube: Planar T* 85mm F1.2/100mm F2.0/135mm F2.0, Sonnar T* 180mm F2.8, Apo Sonnar T* 200mm F2.0, Tele-Tessar T* 300mm F4.0, Tele-Apotessar T* 300mm F2.8, Vario-Sonnar T * 100-300mm F4.5-5.6, Makro-Planar T * 60mm F2.8/100mm F2.8, Mutar T* I and 11
2	0.40X	243 mm	13 mm
1	0.39X	247 mm	20 mm
2	0.54X	217 mm	20 mm
1	0.52X	219 mm	27 mm
2	0.67X	205 mm	27 mm
1	0.64X	207 mm	13 mm + 20 mm
2	0.79X	200 mm	13 mm + 20 mm
1	0.77X	200 mm	13 mm + 27 mm
2	0.92X	197 mm	13 mm + 27 mm
1	0.91X	197 mm	20 mm + 27 mm
2	1.06X	197 mm	20 mm + 27 mm
1	1.16X	198 mm	13 mm + 20 mm + 27 mm
2	1.31X	201 mm	13 mm + 20 mm + 27 mm

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Right Angle Finder The Contax Right Angle Finder provides an erect image at a magnification ratio of 1:1 at a right angle to the axis of the camera lens. This finder rotates a full 360° for use in any possible position. Read More info at Accessory Section.

Magnifier This device clips onto the eyepiece of the camera viewfinder to provide a 2X view of the center picture area. Useful for critical focusing in close-up, copying and other similar fields. Read More info at Accessory Section.

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Microscope Adapter
This adapter enables any Contax camera to be mounted on any standard microscope. Can be used with or without the microscope eyepiece.

Eyepiece Diopter Lenses Fits on the eyepiece of the camera viewfinder to prevent the entry of extraneous light. Eight different diopter lenses are available to adjust for individual eyesight. Read More info at Accessory Section.

Adapter Ring 67mm This ring allows the connection of lenses having a 67mm filter size to accessory items with 55mm linkage. It is primarily used to mount the Makro-Planar T* 60mm F2.8 lens to the slide Copy Adapter, but is also useful for a wide range of additional techniques.

It can be employed to allow reverse position use of any 67mm filter size lens, such as Distagon T* 35mm F1.4, with Auto Bellows PC for the purpose of close up photography.

Extension Tube 7.5mm This tube is used for lower magnification than is possible with the 13mm tube. It may also be used in combination with any other tubes to provide intermediate magnification values. The 7.5mm tube does not have an automatic diaphragm so lens apertures must be preset. • Object distance and magnification when the 7.5mm extension tube is used:

Lens	Distance scale(oo)		Distance scale (closest)
	distance	magnification	distance	magnification
Planar T* 60mm F l.4	459mm	0.14X	285mm	0.29X
Planar T * 50mm F 1.7	1,175mm	0.09X	673mm	0.19X

Reverse Ring

Often tried by new SLR users because this is a cheap accessory and it may lead users to think it provides resonably high magnification. The 55mm reverse ring is used to reverse mount the 55mm filter thread equipped lens (face the filter threads toward the camera body for macro photography). Magnification can be up to 4.8X with the Distagon T* 25mm F2.8.

In real life application, this is a very difficult to use accessory because the magnification and focus are fixed. Turning the focus ring will have no effect and you have to move back and forth to achieve focus (you can have adjustable focus by mounting it on a bellow unit).

The 67mm Adapter Ring reverse mounts 67mm thread size lenses. Futher, there is no automatic diaphragm action and the aperture must be preset (stopped down metering).

• Object distance and Magnification when Distagon T* 35mm F2.8 is used

Magnification	Object Distance	Combination of Tubes
1.49X	165mm	-
1.70X	170mm	7.5mm Extension Tube
1.86X	173mm	13mm
2.05X	179mm	20mm
2.25X	184mm	27mm
2.41X	189mm	13mm + 20mm
2.61X	195mm	13mm + 27mm
2.80X	201mm	20mm + 27mm
3.17X	212mm	13mm + 20mm + 27mm

Hasselblad Adapter Ring An adapter ring to put 120 format Hasselblad interchangeable lenses onto the 35mm format CONTAX SLR cameras. Note: "Hasselblad" is a registered trademark of Victor Hasselblad AB, Goteborg, Sweden.

Medical 100 DX Macrophoto System While the Medical 100 Macrophoto System was designed primarily to provide high-quality photographs in medical, dental and other scientific applications, it is also extremely useful a wide range of other close-up applications. Any magnification ratio between 1:15 and 1:1 can be selected using the markings on the lens barrel. A built-in modeling light allows the effect to be previewed. Included in the set are the Medical 100 lens with built-in Ring flash, DC Power Pack, 70cm Power Cord, Sync Cord, spare modeling lamp and carrying case.

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Other Contax Accessories: Filters | Eye-Cups / Diopter lens / Right Angle Finder / Magnifier| Lens Caps/Lens Rear Caps / Body Caps / Lens Pouches | Soft lens Shades/Metal Lens Hoods/Adapter Ring/Gelatin Filter Holder set | Focusing Screens

| Back | to Index Page of Macro/Closeup

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List of Carl Zeiss T* lenses for Contax SLR cameras

About this photographic site.

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Credit: MClau, joint maintainer of the Contax RTS MB. Some of the content are extracts from: Cees De Groot, who maintains a Contax FAQ site and Tim Roger website on Contax SLR cameras, A few of the images on Zeiss lenses were downloaded from Contax US website. My buddy, Yeak † & Rizal Yahya, for their cool programming with Contax RTS's Message Board, Note:certain contents and images appeared in this site were either scanned from official marketing leaflets, brochures, sales manuals or publications published by Kyocera over the years and/or contributions from surfers who claimed originality of their own work solely for educational purposes. The creator of the site will not be responsible for any discrepancies that may arise from such possible disputes except rectifying them after verification."Kyocera", "Yashica", "Contax" & "Carl Zeiss T*" are registered trade names of Kyocera Corporation Inc., Japan. A site made with an Apple IMac, dedicated to all fans of Contax cameras and Zeiss Optics.