Optolong 滤光片

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...

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

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

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

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

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...

Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are ...

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

Optolong L-Synergy Dual Narrowband Filter The Optolong L-Synergy filter is designed for astrophotographers using DSLR, color CMOS, or CCD cameras w...

Optolong L2 Dual-Combo Filter Set The Optolong L2 Dual-Combo Set includes two premium dual-narrowband filters, L-eXtreme and L-Synergy, designed fo...

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