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🌠 See the unseen: Unlock nebula secrets with precision O-III filtration!
The Astromania 1.25" O-III Filter is a high-grade narrowband telescope accessory designed to isolate the double ionized oxygen emission lines (496-501nm), dramatically enhancing contrast and visibility of faint planetary and diffuse nebulae. Featuring anti-reflection and dichroic coatings, it fits all standard 1.25-inch telescope eyepieces and excels in both light-polluted and dark sky conditions, making it an essential tool for serious amateur astronomers and astrophotographers.
| ASIN | B0141U979O |
| Brand Name | Astromania |
| Coating Description | Antireflection Coating |
| Colour | 1.25" O-III |
| Compatible Devices | Telescopes with 1.25 inch filter threads |
| Customer Reviews | 4.4 4.4 out of 5 stars (94) |
| Enclosure Material | Glass |
| Item Dimensions L x W | 32L x 32W millimetres |
| Item Weight | 0.3 Ounces |
| Manufacturer | Astromania |
| Manufacturer Part Number | SKU_AM_OF1 |
| Media Type | ProductImage |
| Model Number | SKU_AM_OF1 |
| Number of Items | 1 |
| Photo Filter Effect Type | Enhancing |
| Photo Filter Size | 31.75 Millimeters |
| Photo Filter Thread Size | 31.75 Millimetres |
| Screen Size | 1.25 Inches |
| Set Name | 1.25 Inch O-III Filter Set |
| Water Resistance Level | Not Water Resistant |
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