92° ED Series 20mm Waterproof Eyepiece Filter Type_H-Beta A built-in color filter wheel

A built-in color filter wheel helps highlight fine details in transparent specimens

5 produces a 1 degree true field of view

More contrast and details for all urban observers and astrophotographers

the Aries includes a red dot finder

92° ED Series 20mm Waterproof Eyepiece Filter Type_H-Beta A built-in color filter wheelThe Explore Scientific 92 degree ED 20mm eyepiece with a 2 inch barrel is designed for immersive, wide field viewing with a balance of brightness and magnification. It is particularly effective for observing deep sky objects while maintaining an expansive perspective. The ultra wide 92 degree apparent field of view creates a panoramic experience that enhances the sense of depth and scale. Objects remain in view longer, making observation more fluid