About this product
Optolong L-eXtreme Dual Narrow Band Filter for Nikon Z Full Format Camera
Available at the Introductory Price of £209 until 20th December 2024
The Optolong L-eXtreme is a 7nm dual bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is also well suited for fast systems. The convenience and cost effectiveness of this filter allows amateurs to image a rich emission nebulae, even in bright, light pollution skies.
Optolong believes the design of L-eXtreme filter would be better choice for fast systems at a competitive price. It isolates the H-Alpha, and Oxygen III nebula emission lines so that the contrast and signal-to-noise ratio between nebulae are maximised. For customers who are living in very light polluted areas, or when the moon is out, the L-eXtreme is a very good choice.
The L-eXtreme filter is a dual band filter that passes Ha and OIII emission lines. The advantage of the L-eXtreme filter is that there is no transmission between the H-beta and OIII lines, as there is no nebula emission lines there. Meaning the L-eXtreme filter is not letting light pollution come through which maximises the nebulae signal and makes the sky background darker.
The L-eXtreme filter better isolates the emission lines and provides superior protection from light pollution.
Hydrogen is the largest, the most primitive, the simplest, and the oldest element in the universe. Scientists consider that Hydrogen amounts to more than 90% of visible substance in space. The Sun is 5 billion years old, but so far hydrogen is still the key matter of nuclear fusion. While the sulfur element does not have much scientific significance.
Therefore, we highlight H-a, H-b, O3 and O2, and reduce the transmission of sulfur.
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