- Enhanced Aluminum Die; the SV221 diagonal mirror is designed with enhanced aluminum mold; which has higher light transmittance and clearer vision;
- 1.25 inches diameter; the diagonal has a diameter of 1.25 inches; which can be applied to a 1.25 inches telescope and a 1.25 inches eyepiece;
- With a brass pressure ring; the telescope diagonal has a brass pressure ring; which can prevent surface damage and scratch marks when the eyepiece is used with the diagonal;
- Supports 1.25-inch filters features internal extinction treatment and supports the connection of 1.25-inch filters; Offering versatility for various observations;
- With filter thread; the diagonal has M28.5x0.6mm filter thread; which supports the connection of 1.25 inches filter;
- 90 degrees deflection angle design; you don't have to bend over when performing visual observation; and the observation experience is more comfortable;
- Internal extinction design; the correct image prism diagonal has internal extinction treatment; and the acquired image is clearer and brighter.
SV221 Correct Image Prism Diagonal
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
SV221 1.25" 45 Degree Correct Image Prism Diagonal
the SV221 diagonal mirror has a diameter of 1.25 inches; which can be applied to a 1.25 inches telescope and a 1.25 inches eyepiece
Enhanced aluminum die/coated prism
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.
Support connection 1.25inch filter
Built-in prism steering system & support connection 1.25inch filter, internal extinction treatment.
The brass pressure ring design
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.
For Moon & Planets Viewing
The 45-deg Correct-Image Diagonal provides sharp views that are right-side-up and correct left-to-right
Package Includes:
SV221 1.25" 45 Degree Correct image Prism Diagonal
3PCS M3 Screws
1PCS Dust Cap
1PCS Dust Plug
No need to buy a separate expensive spotting scope
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