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Filters > Nebulae filters > UHC Filters > Optolong > Optolong Filters L-eXtreme 1,25"
Product no.: 67553

Filters L-eXtreme 1,25"

$ 270.00 incl. VAT, plus shipping costs
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Express shipment possible for delivery the day after tomorrow, 30.03.2024!

Product description

Optolong 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 also more suited for fast systems. The convenience and cost effectiveness of this filter allows amateurs to image a rich emission nebulas, even in bright, light pollution skies. Optolong believes the design of L-eXtreme filter would be better choice for fast systems in competitive price. It isolates the H-Alpha, and Oxygen III nebula emission lines so that the contrast and signal-to-noise ratio between nebulae were maximized. For people who is living in very light polluted areas, or when the moon is out, the L-eXtreme will be a good filter.

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. In this case, it isn't letting light pollution come through so that maximize nebulas signal and make the sky background darker while imaging. The L-eXtreme filter should better isolate the emission lines only and better protect from light pollution.

Unlike the L-eNhance filter which is a tri-band (transmits Hb, Ha, and OIII), the L-eXtreme filter is dual band that passes Ha and OIII emission lines.

Specifications

Capacity


Coating of optical system
multiple
Frame
1,25"
Mount material
Aluminium
Transmission
99
Connection ( to eyepiece)
1,25"
Surface accuracy
4

General


Type
Filters
Type of build
Broadband Filters

Area of application


Useful for photographs
yes
Anti light-pollution
yes
Visually useful
no
Nebulae & galaxies
yes
Planetary nebulae
yes
Hydrogen nebulae
yes
Supernova remains
yes
Galaxies and star clusters
-
H-alpha
yes
Optolong Filters L-eXtreme 1,25"
Optolong Filters L-eXtreme 1,25"
Optolong Filters L-eXtreme 1,25"
Optolong Filters L-eXtreme 1,25"

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