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SV221 Correct Image Prism Diagonal 1.25inch 45 Degree for Refractor Telescope

SKU: W9178B
-5% US$ 22.79
List Price: US$ 23.99

This diagonal can only be used with refractor telescopes and some catadioptric telescopes like Schmidt-Cassegrain, Maksutov-Cassegrain, etc. It not meant for use with Newtonian / DOB reflector telescopes or other variants of Newtonian telescopes.

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SVBONY SV221 1.25-Inch 45 Degree Correct Image Prism Diagonal Provides Sharp Views That Are Right-Side-Up and Correct Left-To-Right for Refractor Telescope

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SV221  1.25" 45 Degree Correct Image Prism Diagonal -- For Moon & Planets Viewing

Enhanced aluminum die/coated prism
The brass pressure ring design
Bulit-in prism steering system
Internal extinction treatment
Support connection 1.25inch filter
Large thumb screws

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The main mirror housing is made of precision molded ABS plastic. The two end barrels are precision machined from aluminum, enhanced aluminum die/coated prism with higher light transmittance & clearer vision.

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Built-in prism steering system & support connection 1.25inch filter, internal extinction treatment.

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Brass lock Screw for eyepiece or adapter and brass Compression rings features more precision and prevent barrels or the surface of eyepieces from marring and scratching.

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Package Includes:

SV221 1.25" 45 Degree Correct image Prism Diagonal
3PCS M3 Screws
1PCS Dust Cap
1PCS Dust Plug

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Specifications:

Brand SVBONY
Model SV221
Size 1.25 inch
Optical Design​ Prism Diagonal​
Inner Connection (Lens Sided)​ Thread M28.5x0.6​
Outer Connection (Lens Sided) Barrel 1.25 inch
Inner Connection (Eyepiece Sided) Clamp 1.25 inch
Coating Multi-Coated (MC)
Image Orientation Erect image, non-reversed​
Optical Length appr. 86mm​
Clamping System Screw Clamps
Deflection Angle 45°
Clear Aperture 19mm
Material Plastic & Metal
Net Weight 79g/2.78oz



Features:


1. The main mirror housing is made of precision molded ABS plastic and the two end barrels are precision machined from aluminum
2. The 45-deg Correct-Image Diagonal provides sharp views that are right-side-up and correct left-to-right
3. Brass lock Screw for eyepiece or adapter and brass Compression rings features more precision and prevent barrels or the surface of eyepieces from marring and scratching
4.With dustproof cover, can keep the lens cleaning
5. Support connection 1.25inch filter, internal extinction treatment
6. Please Note: This diagonal can only be used with refractor telescopes and some catadioptric telescopes like Schmidt-Cassegrain, Maksutov-Cassegrain, etc. It not meant for use with Newtonian / DOB reflector telescopes or other variants of Newtonian telescopes

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