Red Dot Bracket for Camera Viewfinder Alignment
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Solution Overview
Problem
Cameras with long focal length lenses have limited field of view, making it difficult to acquire fast-moving or distant photography subjects through the viewfinder, especially when using teleconverters that further restrict the field of view.
Innovation Solution
A red dot bracket system that includes a platform with adjustable elongated openings and a clamp with channels and projections to securely attach a red dot sight to a camera, allowing lateral and vertical adjustability, enabling simultaneous use of the red dot sight and viewfinder with both eyes and aligning with the camera's viewfinder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a camera with long focal length lens is used, then the magnification capability is improved, but the field of view is reduced making it difficult to acquire subjects
Solution Approach 1:
A red dot sight is introduced as an intermediary device to assist in subject acquisition. The red dot sight provides a separate optical path with a wider field of view that does not depend on the camera's limited viewfinder, allowing photographers to locate and track subjects more easily while the camera captures the image
2Measurement precision
If a teleconverter is added to increase magnification, then the magnification capability is improved, but the field of view is further restricted
Solution Approach 1:
The red dot sight serves as an independent intermediary system that is not affected by the teleconverter's impact on the camera's field of view. It provides a separate acquisition channel that maintains usability even when the camera's optical path is further restricted by teleconverters
3Volume of moving object
If the red dot sight is positioned close to the viewfinder, then the device compactness is improved, but the alignment with the photographer's eye becomes difficult
Solution Approach 1:
The bracket incorporates adjustable positioning mechanisms including elongated slots and movable components that allow the red dot sight to be positioned at multiple locations. This dynamic adjustability enables optimization of both compactness and eye alignment based on the photographer's specific needs and equipment configuration
4Ease of operation
If the red dot sight is positioned far from the viewfinder, then the alignment with the photographer's eye is improved, but the device complexity increases
Solution Approach 1:
The bracket uses simple adjustable mechanisms such as elongated mounting slots and basic positioning features that allow lateral and vertical adjustment of the red dot sight. These dynamic adjustment capabilities achieve proper eye alignment without requiring complex mechanical systems, maintaining relative simplicity while providing necessary flexibility
Data Source
AI summary
Implementations of red dot brackets may include a platform configured to have a red dot sight adjustably couple thereon and an attachment portion coupled to the platform. The attachment portion may be configured to couple to a camera. The red dot bracket may be configured to hold a red dot sight laterally spaced from a viewfinder of a camera when the red dot bracket is attached to a camera.