Kenko Filter Accessory Night Focus Φ82mm, Star Focusing Tool for Astro Photography, Made in Japan 549803

【Filter-type focusing tool for focusing on a star - Kenko Night Focus】 Filter accessory that attaches to the front of the lens for easy and precise focusing on stars 【Let the three rays intersect!】 You can bring a star into focus by superimposing three rays of light radiating from the star at their intersection. *This product is an auxiliary tool for focusing on stars. Remove the product from the lens when you are finished focusing. **This product is designed for use with lenses with focal lengths of 24-70mm and F2.8-4. It may not be fully effective when used with lenses of other focal lengths and brightnesses. 【About Kenko】 Kenko is a “leading” Japanese filter brand that has been around for over 65 years. With strict quality control and a diverse product range, Kenko filters help you imagine and create your photos.