Modern Classic SLR Series
Contax Shared Resources - Power Winder W-3
Instruction Manual - Part I


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Contax Real Time Winder (RTW) W-3 was considered as one of the most advanced winder on the market around the '80. The RTS W-3 is a grip type automatic winder designed to be used, as it were, as an integral component of the Contax RTS II Quartz, fusing together their respective functional and operating characteristics. It offers not only a two way mode of high-speed sequential operation up to 3 fps and a single frame operation, but full synchronization with the camera's AE 's mechanism and two separate shutter release buttons of its own. It can also be coupled to remote control systems and the TLA electronic flash systems.

There have been several internal improvements in the electronic circuitry of the Real Time Winder W-3, however the basic unit has the same performance standards, and is virtually interchangeable with, the original RTW. It can be used with both the RTS and RTS II Quartz to provide single-frame or continuous automated operation. (Note: the original RTW can also be used with the RTS II Quartz, but only in continuous mode). The W-3 model is a grip-type unit, with its own separate electromagnetic release button (with mode selector switch) atop the grip. And another electromagnetic release on the winder body adds extra convenience to vertical format shots. RTW W-3 connects quickly and simply to the camera, via a threaded tripod socket, and shares all the same accessories as the original RTW.

RTW Front.jpg RTW back.jpg
Contax RTW, older version Credit: All images contained herein copyright © 2001. Mr. Pshea <>

And it has available an external power pack capable of proving its real worth in extreme cold weather conditions. Before attempting to use the RTW W-3, it is always advisable to familiarize yourself with the various controls and functions of the W-3 so that you will learn how to operate the equipment properly and enjoy long years of trouble free use.

RTSa.jpg RTSb.jpg RTSc.jpg RTSd.jpg RTSe.jpg
Credit: Mr. "dearaujo" <> for his images of Contax RTS and RTW;

Note: The User's Manual Published is based on the CONTAX RTW-W3 as I don't intend to allocate anymore budget to buy another Instruction Manual for the older handgrip-less RTW version. If you have any question, use the convenient of the Contax Message Board ready for you Instead.
Description of Parts
Battery Installation
Mounting onto the Camera
Mode Selector
Manual Winding>
Shooting pictures
Vertical Position Shutter Release Button>
Remote Control Photography
Infrared Controller S>
Radio Controller>
Power Pack>
NiCd Pack>

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The RTW W-3 uses six 1.5 V size AA dry batteries (9 V) or an optionally available RTW Ni-Cd Pack (7.2 V). For sequence shooting, the condition of the batteries is very critical so make it a point to use high-performance manganese alkaline batteries to ensure satisfactory operation.

| Previous | NEXT | Installing Batteries, setup the Winder to use, Safety handling of batteries, automatic winding, manual film advance etc..1/3

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Instruction Manuals: Contax PMD W-6 | Contax RTW W-3

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 Accessories

| Back | to Index Page of Contax RTS
| Back | to Index Page of Contax RTS II Quartz
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| Back | to Main Index Page of Contax RTS series models

Camera Models: | Contax RTS | RTS II | RTS III |
Shared Resources:| Motor Drive- PMD W6| Winder - RTW-W3 | Screens | Flash | Macro | Remote | Databack | Accessories | Zeiss T* Optic | Instruction Manuals: Contax RTS HTML | PDF | Contax RTS II Quartz HTML | PDF | Contax RTS III (3 parts PDF by, M. Butkus, NJ. Part A | Part B | Part C |

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1975: RTS
1979: 139Q
1980: 137MD
1982: 137MA
1982: RTS II
1985: 159MM
1987: 167MT
1990: RTS III
1992: S2
1992: S2b
1992: ST
1994: RX
1996: AX
1998: Aria
 List of Carl Zeiss T* lenses for Contax SLR cameras  

About this photographic site.

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Credit: Miss Kristina Hauzar-Proctor of for the images of Contax RTW-W3; Mr. Milan from Pacific Rim Camera <> for his contribution of the Contax 250 Bulk film back;Mr. "dearaujo" <> for his images of the Contax RTS and RTW; Mr. Pshea <> for this image of the RTW; MClau, joint maintainer of the Contax RTS MB. Mr. Bodo Bause <> for his image appeared in this site. 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.