Search query: celestron prism

Product: Celestron–Nature DX ED 10x42 Premium Binoculars–Extra-Low Dispersion Objective Lenses–Outdoor and Birding Binocular–Fully Multi-coated with BaK-4 Prisms–Rubber Armored–Fog & Waterproof Binoculars
Brand: Celestron
Color: Black
Relevance: Substitute
PREMIUM ED OBJECTIVE LENSES: Extra-Low Dispersion (ED) glass virtually eliminates chromatic aberration, also known as color fringing, a visual defect common in binoculars.
VERSATILE, ALL-AROUND BINOCULARS: These binoculars are a great choice for nature observation, as well as for the trail, stadium, arena, or just about anywhere you want a close-up view of the action.
BaK-4 PRISMS FOR OPTIMAL VIEWING EXPERIENCE: The prisms inside Nature DX ED feature quality BaK-4 glass with phase coatings applied to maximize light transmission.
DURABLE, WEATHER-RESISTANT BODY: A sturdy rubber-armored, polycarbonate housing protects your Nature DX ED binoculars from damage and can stand up to even the toughest outdoor weather conditions!
UNBEATABLE WARRANTY AND CUSTOMER SUPPORT: Buy with confidence from Celestron, a leading binocular and telescope brand, based in California since 1960. Your purchase is backed by a Limited Lifetime warranty and unlimited access to technical support team.

Product: SVBONY 1.25 inches 90 Degree Zenith Mirror Diagonal Adapter Erect Image Fully Metal for Refracting Telescope Eyepiece Lens
Brand: SVBONY
Relevance: Substitute
The Svbony fully metal 1.25" Mirrors Diagonal zenith mirror offers an upright figure which is but turned backward in left and right position.

It is suitable in particular for astronomical observations. The mirror depicts clean and full of contrasts.

The mirror is suitable for refractors, Celestron EQ, Meade Infinity and similar telescopes. It is not suitable due to the length reflectors for Newton.

Specifications:
Connection eyepiece: 1.25"
Connecting telescopic: 1.25" & 2" (2" need adapter)
Clamp: 1 screw
Reflectivity: 90%
Housing material: Metal
Suitable for: Refractors
Net Weight: 142g / 5.0oz

Not suitable for: Newtonians

Package Includes:
1xFully Metal 1.25" Mirrors Diagonal 90-Degree
1x1.25" Dust Cover
Standard 1.25'' diameter; fit for 1.25'' eyepiece and telescope focuser;Note;not suitable for Newtonians
Work with refractor and catadioptric telescopes;not for reflector telescope
Wide 90 degree angle;you can view correct image from refractor telescope stand and just look down with a comfortable angle
Super easy to use;just insert into 1.25'' telescope at the silver end;the other end fix 1.25'' eyepiece by the screw
Body material is full metal;optical glass lens provide clear and sharp image With dust cover always keep your lens clear prolong life