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Your cart
Optolong
Optolong L-Quad 增强滤镜 2英寸
$329.00
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
L-四通增强滤镜(L-QEF)是一款用于彩色相机的四通光污染抑制滤镜。它有效地抑制了光污染波长的透射,特别是人工照明(包括汞灯和钠灯)产生的光污染,以及自然天光对拍摄的影响,从而有效地增强了天体的对比度和细节,使物体更加清晰和立体。这款滤镜在提高抗光污染能力的同时,提供了更好的色彩平衡。L-QEF 既可用于广角天文摄影,如夏季和冬季的银河系,也可用于深空物体,如星云、星系、星团等;它可以让您在拍摄过程中节省大量时间,同时获得更好的效果。四通的设计最大限度地提高了星云、星系和其他宽带光谱目标的色彩平衡。
主要特点:
- 消除汞灯和钠灯的光污染,并产生色偏最小的优质宽带图像;
- 信噪比(SNR);
- 近红外截止至 1000nm,降低红外噪声的影响;
- L-QEF对H-Beta/OIII/H-Alpha/SII星云发射线的透过率超过90%,截止深度从OD2到OD4,抗光污染能力大大提高。L-QEF适用于Bortel 1到Bortel 7级的夜空;(不建议使用Bortel 8、Bortel 9环境,请选择Optolong其他窄带滤光片,3nm、7nm类型的滤光片可用。)
- 适用于广泛的深空目标:它覆盖了大多数星云、星系、星团、反射和发射的线信号天文物体,具有更高的对比度和丰富的细节,同时保持了出色的色彩平衡。L-QEF 优于其他同类型的滤镜。
光谱及特性
| 布他林 | 光学玻璃 |
| 厚度 | 1.85 毫米 |
| 半高宽 | 四带通滤波器 |
| 阻断范围 | 300-1000纳米 |
| 阻挡深度 | OD2-OD4 |
| 表面质量 | 60/40 |
| 透射波前 RMS | λ / 4 |
| 并行性 | 30 秒 |
L-Quad Enhance 滤镜根据天体发射线和光污染发射线的特点,有效降低光污染的影响,抑制天体背景光,从而有效增强天体的对比度和细节。使用 L-QEF 滤镜可以帮助您在拍摄过程中节省大量时间,同时获得令人难以置信的效果。

Choose your Location
-
Bintel Glebe
Usually ready for pickup in 24 hours
Bintel 84 Wentworth park road, Glebe, 2073, NSW
Phone:(02) 9518 7255
Hours:
Monday9:30 am–5:30 pm
Tuesday9:30 am–5:30 pm
Wednesday9:30 am–5:30 pm
Thursday9:30 am–5:30 pm
Friday9:30 am–5:30 pm
Saturday9:30 am–4 pm
SundayClosed
$329.00
$329.00
$329.00
Same day shipping
If you order before 2pm we will ship your items same day.
Expert aftersales support
We fully support our products!
Minimum 2-Year Warranty.
+ extended manufacturer warranties
Aussie Owned & Stocked
Our store is Australian owned and stocked.
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L-四通增强滤镜(L-QEF)是一款用于彩色相机的四通光污染抑制滤镜。它有效地抑制了光污染波长的透射,特别是人工照明(包括汞灯和钠灯)产生的光污染,以及自然天光对拍摄的影响,从而有效地增强了天体的对比度和细节,使物体更加清晰和立体。这款滤镜在提高抗光污染能力的同时,提供了更好的色彩平衡。L-QEF 既可用于广角天文摄影,如夏季和冬季的银河系,也可用于深空物体,如星云、星系、星团等;它可以让您在拍摄过程中节省大量时间,同时获得更好的效果。四通的设计最大限度地提高了星云、星系和其他宽带光谱目标的色彩平衡。
主要特点:
- 消除汞灯和钠灯的光污染,并产生色偏最小的优质宽带图像;
- 信噪比(SNR);
- 近红外截止至 1000nm,降低红外噪声的影响;
- L-QEF对H-Beta/OIII/H-Alpha/SII星云发射线的透过率超过90%,截止深度从OD2到OD4,抗光污染能力大大提高。L-QEF适用于Bortel 1到Bortel 7级的夜空;(不建议使用Bortel 8、Bortel 9环境,请选择Optolong其他窄带滤光片,3nm、7nm类型的滤光片可用。)
- 适用于广泛的深空目标:它覆盖了大多数星云、星系、星团、反射和发射的线信号天文物体,具有更高的对比度和丰富的细节,同时保持了出色的色彩平衡。L-QEF 优于其他同类型的滤镜。
光谱及特性
| 布他林 | 光学玻璃 |
| 厚度 | 1.85 毫米 |
| 半高宽 | 四带通滤波器 |
| 阻断范围 | 300-1000纳米 |
| 阻挡深度 | OD2-OD4 |
| 表面质量 | 60/40 |
| 透射波前 RMS | λ / 4 |
| 并行性 | 30 秒 |
L-Quad Enhance 滤镜根据天体发射线和光污染发射线的特点,有效降低光污染的影响,抑制天体背景光,从而有效增强天体的对比度和细节。使用 L-QEF 滤镜可以帮助您在拍摄过程中节省大量时间,同时获得令人难以置信的效果。

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