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๐ Dim the glare, amplify the wonder โ your telescopeโs new secret weapon!
The SVBONY SV128 is a 2-inch variable polarizing filter designed for astronomic telescopes, allowing users to adjust light transmission from 1% to 40%. Made with high-definition optical glass and a durable metal frame, it enhances contrast and reduces brightness for superior lunar and planetary observation. Compatible with all standard 2" eyepieces, it comes with a protective case, making it an essential accessory for serious stargazers seeking sharper, clearer views.











| ASIN | B07VWL4219 |
| Best Sellers Rank | #1,134,326 in Electronics ( See Top 100 in Electronics ) #50 in Telescope Filters |
| Box Contents | 1X SVBONY SV188P Dielectric Mirror Star Diagonal |
| Brand | SVBONY |
| Brand Name | SVBONY |
| Coating Description | No Coating |
| Compatible Devices | 2 inch telescope eyepieces |
| Country of Origin | China |
| Customer Reviews | 4.8 out of 5 stars 99 Reviews |
| Enclosure Material | Optical Glass, Plastic |
| Item Dimensions D x W x H | 11.2D x 6.1W x 8.4H Centimeters |
| Item Dimensions L x W | 5.1L x 5.1W Centimeters |
| Item Type Name | filters |
| Manufacturer | china |
| Manufacturer Part Number | FF9147B |
| Material | Optical Glass , Plastic |
| Model Name | SV128 |
| Model Number | FF9147B |
| Number of Items | 1 |
| Number of Packs | 1 |
| Photo Filter Effect Type | Polarizer |
| Photo Filter Size | 50.8 Millimeters |
| Photo Filter Thread Size | 48 Millimetres |
| Screen Size Unit of Measure | 2 Inches |
| Water Resistance Level | Not Water Resistant |
A**R
Polarizing filter
Fit telescope
S**R
nice quality
good quality
S**C
Magic moon lens
I genuinely canโt figure out how this thing works - you can adjust the density of the darkness by rotating the inner ring - but itโs incredible. The only moon filter you will ever need. Svbony gear has never let me down in quality and has become my first choice brand in recent months
O**W
Good optic range
Very good. Could have had a little Knurling to aid the functional use in rotation.
I**E
Works great on the moon. Rotation has the perfect amount of friction.
This 2" filter works great to dim the moon. And the rotation is not loose like some other variable polarizing filters, so whatever I set it on stays that way as I put the eyepiece into the scope. Comes in a good case. Really glad I got this.
Trustpilot
2 months ago
1 day ago