K&F Concept ND100000 Solar Filter 28-Layer Neutral Density 16.6-Stop Filters for Camera Lens
Aliexpress UK
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K&F Concept 49mm-82mm ND100000 Solar Filter 16.6-Stop Solid 28-Layer Neutral Density Filter for
Aliexpress UK
Item model number: 2458391. This filter is able to boost contrast and reduce the effects of atmospheric turbulence. Due to the narrow bandpass and complete blockage of longer and shorter wavelengths make it superior to standard green color filters for testing refractors at their center design wavelength.
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K&F CONCEPT New Solar Filter ND1000000 20-Stop Solid Neutral Density Celestial Event Photography
Aliexpress UK
Baader 7.5 nm Solar Continuum 2" Filter, CWL 540nm with 2" screw-in thread. Lens systems - including those of apochromats, catadiopters or eyepieces - are traditionally optimized for the spectral range around 540nm, since this is where our eye has the highest sensitivity.
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K&F CONCEPT Solar Filter ND100000/ND1000000 16.6/20-Stops Solid Neutral Density Layer Photography
Aliexpress UK
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K&F CONCEPT Solar Filter ND100000/ND1000000 16.6/20-Stops Solid Neutral Density Celestial Event
Aliexpress UK
We add receipt to every product, if you would like to receive invoice - let us know and we will add invoice. Świętokrzyska 23. Czas wysyłki (w godzinach): 96.
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TheBaader 7.5nm Solar Continuum is a 7.5nm Filter (540nm) with 1¼" screw-in thread. A must for owners of achromatic refractors. The Solar Continuum Filter brings power back to you. Enhances contrast and reduces the effect of atmospheric turbulence (in combination with white light solar filters).
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Item model number: 2458391. This filter is able to boost contrast and reduce the effects of atmospheric turbulence. Due to the narrow bandpass and complete blockage of longer and shorter wavelengths make it superior to standard green color filters for testing refractors at their center design wavelength.
eBay
Lens systems - including those of apochromats, catadiopters or eyepieces - are traditionally optimized for the spectral range around 540nm, since this is where our eye has the highest sensitivity. Compared to the previous model with a 10nm half-band-width, this filter has a half-band-width of only 7.5nm, which increases the contrast even more.
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