Crafted from wood and brass, the Nautical Navigator Blueprint offers plans for constructing a portable Pelorus, reminiscent of a compass with sighting vanes.
With no magnets or independive properties, this device aids in navigation on small boats and can identify errors in a ship's compass.
The original 2-page magazine article from 1943 includes detailed measured drawings, diagrams, and i…

This Lens Adapter Kit is designed to be compatible with a variety of camera models, including FM, FM 2, FA, FE, FE 2, FM 2N, FM 3A, F, F 2, and F 3 (NON-HP Finder).
Additionally, it is suitable for use with Fuji GS 645 and GSW 690 I, II, III cameras. This kit offers a budget-friendly solution for photographers looking to expand their lens options and versatility.
With its broad compatibil…

This adjustable diopter lens kit for camera viewfinders offers diopter correction ranging from -1.5 to +3.5, providing users with the ability to customize their viewing experience.
Included in the kit is a rubber eyepiece cover for added comfort and protection. Designed for compatibility with a variety of camera models, this product caters to photographers seeking enhanced clarity and focus w…

These ClearSight Pinhole Glasses are designed to improve eyesight, particularly focusing problems.
The glasses are made of plastic frame and resin lens, and come in black color. They help exercise eye muscles and relax the eyes, activating natural vision ability to see clearly.
Wearing them for 15 minutes a day can lead to noticeable improvements within weeks. The glasses are adjustable a…

This adjustable SpineAlign Posture Support Belt is designed to help correct your posture by providing back and shoulder support.
Made of neoprene in a classic black color, this belt comes in various sizes from S to 4XL. The simple design allows for easy hand washing maintenance.
By wearing this belt for just 2 hours a day, you can start experiencing the benefits of improved posture, which…