| Management number | 239803435 | Release Date | 2026/07/14 | List Price | US$21.68 | Model Number | 239803435 | ||
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AstroStreet UHC filter for 1.25 inch (31.7mm) filter diameter UHC---ultra high contrast As the name suggests, it enhances the darkness of the background of the sky and enhances the contrast of gas nebulae. It is a filter that transmits only wavelengths in a specific band, and is called a nebula (nebula filter). Among Nebular filters, this filter has a wide transmission bandwidth and is designed to transmit Hβ rays (Hydrogen-Beta) and OIII rays (Doubly ionized oxygen). Dramatic effects over a wide range such as observation of diffuse nebulae (Great Orion Nebula, etc.), planetary nebulae (Ring Nebula, etc.), and faint diffuse nebulae. Effective for observations on the ground [Sleeve diameter] 1.25 inch (31.7mm) filter diameter
| ASIN | B00S4UA6MU |
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| Brand | AstroStreet |
| Thread Size | 31.7 Millimeters |
| Manufacturer | アストロストリート |
| Model Number | 460514 |
| Special Effect | Polarizer, Ultraviolet |
| Enclosure Material | Optical Glass |
| Coating Description | Multi Coating |
| Item Dimensions L x W | 1.25"L x 1.25"W |
| Water Resistance Level | Not Water Resistant |
| Manufacturer Part Number | 01050581001 |
| Item Dimensions D x W x H | 3"D x 3"W x 0.7"H |
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