Astronomik UHC-E Filter - Nikon XL Clip Filter
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The Astronomik UHC-E filter is tailored for deep-sky observation of emission nebulae and comets under light-polluted skies, especially ideal for smaller telescopes up to 5" (125mm) aperture. It enhances the contrast between these celestial objects and the sky background by blocking typical streetlight emissions, as well as all lines of natural airglow.
With a Full-Width-Half Maximum (FWHM) of 45nm, the Astronomik UHC-E filter ensures a significant contrast boost while allowing a greater amount of starlight to pass through compared to its counterpart, the Astronomik UHC filter. This characteristic makes it particularly well-suited for smaller telescopes, enhancing visibility without compromising on the overall brightness. Additionally, its transmission range includes spectral lines, enhancing the observation of comets.
In essence, the Astronomik UHC-E filter is a versatile tool for enhancing contrast under urban sky conditions, especially for observers using smaller telescopes to explore the depths of deep-sky objects and comets.
Alternatives
- For telescopes larger than 5" (125mm), we recommend upgrading to the standard Astronomik UHC filter, which provides even greater contrast enhancement capabilities.
- For telescopes exceeding 8" (200mm), we suggest an Astronomik OIII visual filter as first filter.
Suitability of the Astronomik UHC-E filters
- Visual observation (dark skies): Reasonable, an Astronomik UHC filter is more suitable
- Visual observation (urban skies): Good, for telescopes up to 5" (125mm) aperture
Clip-Filter for Nikon full-frame DSLR cameras
Since 2007 we offer our extremely popular Astronomik Clip-Filters. The complete range of Astronomik filters is available as Clip-Filters for Nikon’s full-frame DSLR cameras.
The Astronomik Clip-Filters offer a number of practical advantages that make them an ideal choice for astrophotographers:
- Installing and removing the Astronomik Clip-Filter is very quick and easy and requires no extra tools or modifications to the camera body. They can be changed at any time, even at night.
- All lens functions, such as focus, aperture, and image stabilization remain fully functional.
- The Astronomik Clip-Filters are held securely in place without stressing the high-quality glass.
- The Astronomik Clip-Filters are designed and optimized for use with both standard camera lenses and telescopes.
Through the Astronomik Clip-Filters, we were able to solve several common issues faced by astrophotographers:
- Large filters for large camera lenses are very expensive.
- Using a filter holder between the camera body and the lens prevents focusing to infinity.
- For very fast telescopes (low f-number) like the Vixen R200SS or the Takahashi "Epsilon" astrograph, a filter drawer or filter wheel can not be used because the distance to the corrector lenses would be changed.
- Long exposure times lead to dust settling on the camera's sensor chip.
Due to the very tight bayonet and the limited space inside the camera, the Astronomik Nikon XL Clip-Filters cause a minimal obstruction in the corners. But this can be easily corrected by flatfielding.
Use Astronomik filters for your Nikon full-frame DSLR camera and enjoy marvelous images with an ultra light equipment!
Compatible Nikon full-frame DSLR cameras
| Model | Compatibility |
| Nikon D750 | Yes |
| Nikon D780 | Limited* |
| Nikon D800 | Yes |
| Nikon D810 | Yes |
| Nikon D850 | Limited* |
* After a recent firmware update, Astronomik Nikon XL Clip-Filters can no longer be used with the Nikon D780 and D850 bodies. For these bodies, you can only use manual focus lenses or a T-adapter (with a telescope). Using lenses with electronic contacts will result in an error message, preventing the camera from functioning.
Workaround: To use lenses with electronic contacts on the D780 and D850 with the Astronomik Nikon XL Clip-Filter installed, you can apply tape over the lens contacts. This will prevent the error message, allowing the camera to work normally.
Technical Data
- Typical transmission of 94% at 486nm (H-beta)
- Typical transmission of 95% at 496nm (OIII)
- Typical transmission of 95% at 501nm (OIII)
- Typical transmission of 94% at 656nm (H-alpha)
- Transmission range: 465nm to 530nm and above 645nm
- Full-Width-Half Maximum (FWHM): 45nm
- Glass thickness: 1mm (except Astronomik OWB Type 3 and XT filters)
- Finely polished optical glass, free of any striae, residual stresses, and bubbles
- Extremely scratch-resistant and durable coating
- Completely resistant against high humidity and aging effects
- Parfocal with other Astronomik filters
- Diffraction-limited
- Optimized spectral windows
- Delivered in a high-quality, long-lasting filter box
Due to the high-precision machining of the carrier substrate, all Astronomik filters are parfocal with wedge errors far below all common tolerances. Astronomik filters are diffraction-limited, ensuring that the optical performance (resolution and contrast) of your telescope is not compromised. Issues concerning focal distances and the exact alignment of images from each color channel are therefore effectively eliminated.
All Astronomik filters are ideal for modern cameras, including both CMOS- and CCD-based models, ensuring you capture the best possible images with your equipment. Sharpness, contrast, and the absence of any reflections and halos are guaranteed. Even with bright stars in the field of view, nebulae and galaxies will be captured with the finest structures. The Astronomik MFR coating is designed for optimal performance across a wide range of focal ratios of the optics used.
Every Astronomik filter undergoes a rigorous quality control process before delivery.
Other Information
- Country of Manufacture: Germany
The Astronomik UHC-E filter is tailored for deep-sky observation of emission nebulae and comets under light-polluted skies, especially ideal for smaller telescopes up to 5" (125mm) aperture. It enhances the contrast between these celestial objects and the sky background by blocking typical streetlight emissions, as well as all lines of natural airglow.
With a Full-Width-Half Maximum (FWHM) of 45nm, the Astronomik UHC-E filter ensures a significant contrast boost while allowing a greater amount of starlight to pass through compared to its counterpart, the Astronomik UHC filter. This characteristic makes it particularly well-suited for smaller telescopes, enhancing visibility without compromising on the overall brightness. Additionally, its transmission range includes spectral lines, enhancing the observation of comets.
In essence, the Astronomik UHC-E filter is a versatile tool for enhancing contrast under urban sky conditions, especially for observers using smaller telescopes to explore the depths of deep-sky objects and comets.
Alternatives
- For telescopes larger than 5" (125mm), we recommend upgrading to the standard Astronomik UHC filter, which provides even greater contrast enhancement capabilities.
- For telescopes exceeding 8" (200mm), we suggest an Astronomik OIII visual filter as first filter.
Suitability of the Astronomik UHC-E filters
- Visual observation (dark skies): Reasonable, an Astronomik UHC filter is more suitable
- Visual observation (urban skies): Good, for telescopes up to 5" (125mm) aperture
Clip-Filter for Nikon full-frame DSLR cameras
Since 2007 we offer our extremely popular Astronomik Clip-Filters. The complete range of Astronomik filters is available as Clip-Filters for Nikon’s full-frame DSLR cameras.
The Astronomik Clip-Filters offer a number of practical advantages that make them an ideal choice for astrophotographers:
- Installing and removing the Astronomik Clip-Filter is very quick and easy and requires no extra tools or modifications to the camera body. They can be changed at any time, even at night.
- All lens functions, such as focus, aperture, and image stabilization remain fully functional.
- The Astronomik Clip-Filters are held securely in place without stressing the high-quality glass.
- The Astronomik Clip-Filters are designed and optimized for use with both standard camera lenses and telescopes.
Through the Astronomik Clip-Filters, we were able to solve several common issues faced by astrophotographers:
- Large filters for large camera lenses are very expensive.
- Using a filter holder between the camera body and the lens prevents focusing to infinity.
- For very fast telescopes (low f-number) like the Vixen R200SS or the Takahashi "Epsilon" astrograph, a filter drawer or filter wheel can not be used because the distance to the corrector lenses would be changed.
- Long exposure times lead to dust settling on the camera's sensor chip.
Due to the very tight bayonet and the limited space inside the camera, the Astronomik Nikon XL Clip-Filters cause a minimal obstruction in the corners. But this can be easily corrected by flatfielding.
Use Astronomik filters for your Nikon full-frame DSLR camera and enjoy marvelous images with an ultra light equipment!
Compatible Nikon full-frame DSLR cameras
| Model | Compatibility |
| Nikon D750 | Yes |
| Nikon D780 | Limited* |
| Nikon D800 | Yes |
| Nikon D810 | Yes |
| Nikon D850 | Limited* |
* After a recent firmware update, Astronomik Nikon XL Clip-Filters can no longer be used with the Nikon D780 and D850 bodies. For these bodies, you can only use manual focus lenses or a T-adapter (with a telescope). Using lenses with electronic contacts will result in an error message, preventing the camera from functioning.
Workaround: To use lenses with electronic contacts on the D780 and D850 with the Astronomik Nikon XL Clip-Filter installed, you can apply tape over the lens contacts. This will prevent the error message, allowing the camera to work normally.
Technical Data
- Typical transmission of 94% at 486nm (H-beta)
- Typical transmission of 95% at 496nm (OIII)
- Typical transmission of 95% at 501nm (OIII)
- Typical transmission of 94% at 656nm (H-alpha)
- Transmission range: 465nm to 530nm and above 645nm
- Full-Width-Half Maximum (FWHM): 45nm
- Glass thickness: 1mm (except Astronomik OWB Type 3 and XT filters)
- Finely polished optical glass, free of any striae, residual stresses, and bubbles
- Extremely scratch-resistant and durable coating
- Completely resistant against high humidity and aging effects
- Parfocal with other Astronomik filters
- Diffraction-limited
- Optimized spectral windows
- Delivered in a high-quality, long-lasting filter box
Due to the high-precision machining of the carrier substrate, all Astronomik filters are parfocal with wedge errors far below all common tolerances. Astronomik filters are diffraction-limited, ensuring that the optical performance (resolution and contrast) of your telescope is not compromised. Issues concerning focal distances and the exact alignment of images from each color channel are therefore effectively eliminated.
All Astronomik filters are ideal for modern cameras, including both CMOS- and CCD-based models, ensuring you capture the best possible images with your equipment. Sharpness, contrast, and the absence of any reflections and halos are guaranteed. Even with bright stars in the field of view, nebulae and galaxies will be captured with the finest structures. The Astronomik MFR coating is designed for optimal performance across a wide range of focal ratios of the optics used.
Every Astronomik filter undergoes a rigorous quality control process before delivery.
The Astronomik UHC-E filter is tailored for deep-sky observation of emission nebulae and comets under light-polluted skies, especially ideal for smaller telescopes up to 5" (125mm) aperture. It enhances the contrast between these celestial objects and the sky background by blocking typical streetlight emissions, as well as all lines of natural airglow.
With a Full-Width-Half Maximum (FWHM) of 45nm, the Astronomik UHC-E filter ensures a significant contrast boost while allowing a greater amount of starlight to pass through compared to its counterpart, the Astronomik UHC filter. This characteristic makes it particularly well-suited for smaller telescopes, enhancing visibility without compromising on the overall brightness. Additionally, its transmission range includes spectral lines, enhancing the observation of comets.
In essence, the Astronomik UHC-E filter is a versatile tool for enhancing contrast under urban sky conditions, especially for observers using smaller telescopes to explore the depths of deep-sky objects and comets.
Alternatives
- For telescopes larger than 5" (125mm), we recommend upgrading to the standard Astronomik UHC filter, which provides even greater contrast enhancement capabilities.
- For telescopes exceeding 8" (200mm), we suggest an Astronomik OIII visual filter as first filter.
Suitability of the Astronomik UHC-E filters
- Visual observation (dark skies): Reasonable, an Astronomik UHC filter is more suitable
- Visual observation (urban skies): Good, for telescopes up to 5" (125mm) aperture
Clip-Filter for Nikon full-frame DSLR cameras
Since 2007 we offer our extremely popular Astronomik Clip-Filters. The complete range of Astronomik filters is available as Clip-Filters for Nikon’s full-frame DSLR cameras.
The Astronomik Clip-Filters offer a number of practical advantages that make them an ideal choice for astrophotographers:
- Installing and removing the Astronomik Clip-Filter is very quick and easy and requires no extra tools or modifications to the camera body. They can be changed at any time, even at night.
- All lens functions, such as focus, aperture, and image stabilization remain fully functional.
- The Astronomik Clip-Filters are held securely in place without stressing the high-quality glass.
- The Astronomik Clip-Filters are designed and optimized for use with both standard camera lenses and telescopes.
Through the Astronomik Clip-Filters, we were able to solve several common issues faced by astrophotographers:
- Large filters for large camera lenses are very expensive.
- Using a filter holder between the camera body and the lens prevents focusing to infinity.
- For very fast telescopes (low f-number) like the Vixen R200SS or the Takahashi "Epsilon" astrograph, a filter drawer or filter wheel can not be used because the distance to the corrector lenses would be changed.
- Long exposure times lead to dust settling on the camera's sensor chip.
Due to the very tight bayonet and the limited space inside the camera, the Astronomik Nikon XL Clip-Filters cause a minimal obstruction in the corners. But this can be easily corrected by flatfielding.
Use Astronomik filters for your Nikon full-frame DSLR camera and enjoy marvelous images with an ultra light equipment!
Compatible Nikon full-frame DSLR cameras
| Model | Compatibility |
| Nikon D750 | Yes |
| Nikon D780 | Limited* |
| Nikon D800 | Yes |
| Nikon D810 | Yes |
| Nikon D850 | Limited* |
* After a recent firmware update, Astronomik Nikon XL Clip-Filters can no longer be used with the Nikon D780 and D850 bodies. For these bodies, you can only use manual focus lenses or a T-adapter (with a telescope). Using lenses with electronic contacts will result in an error message, preventing the camera from functioning.
Workaround: To use lenses with electronic contacts on the D780 and D850 with the Astronomik Nikon XL Clip-Filter installed, you can apply tape over the lens contacts. This will prevent the error message, allowing the camera to work normally.
Technical Data
- Typical transmission of 94% at 486nm (H-beta)
- Typical transmission of 95% at 496nm (OIII)
- Typical transmission of 95% at 501nm (OIII)
- Typical transmission of 94% at 656nm (H-alpha)
- Transmission range: 465nm to 530nm and above 645nm
- Full-Width-Half Maximum (FWHM): 45nm
- Glass thickness: 1mm (except Astronomik OWB Type 3 and XT filters)
- Finely polished optical glass, free of any striae, residual stresses, and bubbles
- Extremely scratch-resistant and durable coating
- Completely resistant against high humidity and aging effects
- Parfocal with other Astronomik filters
- Diffraction-limited
- Optimized spectral windows
- Delivered in a high-quality, long-lasting filter box
Due to the high-precision machining of the carrier substrate, all Astronomik filters are parfocal with wedge errors far below all common tolerances. Astronomik filters are diffraction-limited, ensuring that the optical performance (resolution and contrast) of your telescope is not compromised. Issues concerning focal distances and the exact alignment of images from each color channel are therefore effectively eliminated.
All Astronomik filters are ideal for modern cameras, including both CMOS- and CCD-based models, ensuring you capture the best possible images with your equipment. Sharpness, contrast, and the absence of any reflections and halos are guaranteed. Even with bright stars in the field of view, nebulae and galaxies will be captured with the finest structures. The Astronomik MFR coating is designed for optimal performance across a wide range of focal ratios of the optics used.
Every Astronomik filter undergoes a rigorous quality control process before delivery.
Other Information
- Country of Manufacture: Germany
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Astronomik UHC-E Filter - Nikon XL Clip Filter