OPTOLONG OPT-EX-02 Optron Celestial Filter, L-Extreme 1.25 Inches, 1.25 Inches (31.7 mm), Starry Photography
Product details
| Management number | 239803456 | Release Date | 2026/07/14 | List Price | US$76.47 | Model Number | 239803456 | ||
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| Category | |||||||||
LeXtreme is a dual-band filter that transmits two wavelengths of Ha and OIII. The biggest feature is the narrow transmission bandwidth of 7 nn. Until nowadays, extremely narrow half-width bandpass filters have most transmitted single wavelengths, but LeXtreme filters are ideal for shooting nebulas with one-shot color cameras such as DSLRs and monochrome CCD cameras. The wavelength ranges other than HA and OIII, are cut so it is also effective for urban nebula photography. Size: 1.25 inches; Glass Thickness: 0.07 inches (1.85 mm); Glass Material: B270; Weight: 0.2 oz (6 g)
- L-eXtremeはHaとOIIIの２つの波長を透過するデュアルバンドフィルターです。
- 最大の特徴は半値幅7nnの狭い透過帯域です。これまで、極めて狭い半値幅のバンドパスフィルターは、単一の波長を透過する商品がほとんどでしたが、L-eXtremeフィルターは星雲に主要２輝線を透過するため、デジタル一眼レフなどのワンショットカラーカメラやモノクロCCDカメラでの星雲撮影に最適です。
- HaとOIII以外の波長域はカットされますので、都市部での星雲撮影にも効果を発揮します。
- サイズ：1.25インチ
- ガラス厚：1.85㎜ ガラス材質：B270 質量：約６g
| ASIN | B091XX954R |
|---|---|
| Brand | Optolong |
| Screen Size | 1.25 Inches |
| Thread Size | 31.7 Millimeters |
| Manufacturer | OPTOLONG |
| Model Number | OPT-EX-02 |
| Special Effect | Enhancing |
| Photo Filter Size | 31.75 Millimeters |
| Enclosure Material | ガラス |
| 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 | OPT-EX-02 |
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