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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-Q...

At just over 4 inches in diameter and a few inches thick (IMX585), the new miniCAM8 is a compact, high-resolution, high-performance, cooled imaging...

Antlia 3nm Pro 超窄带 1.25 英寸滤光片组包括以下物品： Antlia 1.25 英寸 H-Alpha 3nm 滤镜 Antlia 1.25 英寸 OIII 3nm 滤镜 Antlia 1.25 英寸 SII 3nm 滤镜 Antlia SHO Pro ...

ALP-T 双波段 5nm 滤镜最适合 f 比低于 f/3.6 的光学器件，强烈推荐使用标准 Antlia ALP-T 双波段滤镜。同时，如果您希望使用 f/2.2 以上的任何光学器件获得最佳性能，高速版本是最佳选择。 Antlia ALP-T 双波段 5nm 系列滤光片是一种双线通滤光片...

Adjust the brightness level of the Moon, Venus, and other bright objects with the Optolong Variable Polarizer. A standard Moon Filter is similar to...

Optolong L-Pro 1.25 inch is multi-bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission ...

1. L-eXtreme F/2 简介 Optolong L-eXtreme F/2 是一款双波段（500.7 nm 和 656.28 nm，FWHM=7 nm）窄带通滤光片，满足连续变化角度的透射要求。以天文特征谱线（OIII、Ha）为主要透射波长，OIII 和 H-Alpha 星云发射...

L-eNhance filterThe relentless spread of urbanization and its associated light pollution have become a growing problem for all amateur astrophotogr...

L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is a...

它是一种 3nm 双波段，旨在大幅减少光污染的影响，3nm 将星云的辐射隔离为 H-Alpha（红色）和 OIII（绿-蓝）。它可以阻挡光污染，最大化​​星云信号，并使天空背景变暗。它还可以阻挡汞蒸气灯、高压和低压钠蒸气灯的人造光以及由我们大气中的中性氧排放引起的不必要的自然光。最大化星云在 ...

The Optolong L-Para is a dual narrowband 10nm light pollution filter, specifically designed to filter out unwanted mercury, sodium, and LED light p...

The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects. By selectively reducing the transm...

(Only Compatible with QHY MiniCAM8 Camera) Deep Sky Filter SetIncludes LRGB and narrowband SHO filters sized at 19 mm × 12 mm × 1.1 mm. The LRGB ...

Optolong LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors. The LRGB filter se...