
( Brand: Optolong ), ( Manufacturer Part Number: Q1CL000403Y-02 ), ( Part Type: Light Filter )
The Altair Astro Optolong Rebrand QHY168C Light Pollution Reduction CLS-CCD Filter (Q1CL00040302) is a high-performance optical filter designed specifically for reducing the effects of light pollution on astronomical images captured using CCD cameras. This filter is manufactured by Optolong, a renowned name in the field of astrophotography filters, and has been rebranded for distribution by Altair Astro.
The filter features a CLS (City Light Suppression) coating, which is designed to block out the majority of the light pollution emissions from urban environments, such as streetlights and neon signs. This not only helps to improve the contrast and detail in deep-sky images but also allows you to capture more subtle features that might be otherwise overwhelmed by the light pollution.
The QHY168C filter has a 1.25-inch thread size, making it compatible with a wide range of CCD cameras and telescopes that use this standard filter thread. It is also made from high-quality optical glass, which ensures that it is free from any scratches, dust, or other imperfections that could affect image quality.
The filter has a transmission of 68% at Halpha, which is ideal for capturing emission nebulae and other deep-sky objects that emit light in this wavelength range. It also has a low level of absorption in the red and blue wavelengths, which helps to preserve the color balance of your images.
The filter has a thickness of 2.0mm, which is sufficient to prevent any vignetting or edge distortion when used with most telescopes. It also has a 2-inch diameter, which allows it to cover a wide field of view, making it suitable for both wide-field and deep-sky imaging.
In summary, the Altair Astro Optolong Rebrand QHY168C Light Pollution Reduction CLS-CCD Filter is a high-quality, versatile filter that is designed to enhance the performance of CCD cameras in light-polluted environments. Its CLS coating, high transmission at Halpha, and low absorption in the red and blue wavelengths make it an ideal choice for capturing detailed and vibrant deep-sky images.
Pros of buying a Altair Astro Optolong Rebrand Light Pollution Reduction CLS-CCD Filter 1.25:1. Enhances image quality: The filter reduces light pollution and increases contrast, resulting in clearer and more detailed images.
2. Compatible with various telescopes: The filter is suitable for use with a variety of telescopes, making it a versatile choice for stargazers.
3. Reduces color shift: The filter minimizes color shift, ensuring that images captured with it are true to color.
4. Improves deep-sky imaging: The filter is particularly effective for capturing images of deep-sky objects, such as nebulae and galaxies.
5. Durable and easy to use: The filter is made from high-quality optical glass and has a threaded mount for easy attachment to telescopes.
Cons of buying a Altair Astro Optolong Rebrand Light Pollution Reduction CLS-CCD Filter 1.25:1. Expensive: The filter is priced higher than some other filters on the market, which may deter some potential buyers.
2. May not be necessary for some users: If you live in an area with little to no light pollution, you may not need a filter like this to enhance your images.
3. Requires specific camera settings: To get the best results with this filter, you may need to adjust your camera settings, which can be time-consuming for some users.
In conclusion, the Altair Astro Optolong Rebrand Light Pollution Reduction CLS-CCD Filter 1.25 is a high-quality filter that can significantly improve your image quality and deep-sky imaging capabilities. While it is expensive, its durability and effectiveness make it a worthwhile investment for serious stargazers and astrophotographers. If you live in an area with significant light pollution or are interested in capturing detailed images of deep-sky objects, this filter is definitely worth considering.
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