NIKON BR-4 auto double cable release ring for focusing bellows attachment

Pristine NIKON BR-4 auto double cable release ring for focusing bellows attachment, no outward blemishes or scratches. 

1. Dual Cable Release: The primary function of the BR-4 is to provide a dual cable release mechanism. This allows you to trigger the shutter of your camera while also controlling the aperture through a compatible lens. The ability to control both functions simultaneously can be crucial in macro photography, where precise timing and depth of field adjustments are often necessary.

2. Convenient Control: With the BR-4, you can make exposure adjustments without physically touching the camera, which can be especially useful in macro setups where even the slightest vibrations can impact image sharpness. The dual cable release allows for more convenient and precise control over your camera settings.

3. Focusing Bellows Integration: The BR-4 is designed to work seamlessly with Nikon bellows systems, such as the PB-4. This integration ensures that the cable release is compatible with the specific requirements of macro photography using bellows, providing a comprehensive solution for precise focusing and exposure control.

4. Enhanced Stability: By using a cable release, you reduce the risk of camera shake caused by pressing the camera's shutter button directly. This is important in macro photography where stability is crucial for capturing sharp and detailed images. The BR-4 contributes to a more stable shooting setup.

5. Macro Focusing Control: The combination of the BR-4 and a bellows system allows for precise control over the extension of the bellows, enabling fine adjustments in focusing distance. This is essential in macro photography where achieving the correct focus plane is critical due to the shallow depth of field.

6. Time-Lapse and Long Exposure Photography: The dual cable release functionality of the BR-4 makes it suitable for time-lapse and long exposure photography. You can maintain control over the shutter and aperture settings for extended periods without introducing any camera shake.

7. Compatibility with Nikon Equipment: The BR-4 is designed specifically for Nikon cameras and bellows systems, ensuring seamless integration and optimal performance with compatible Nikon gear.