Antlia M48 Adapter for Sony E Mount Cameras: With H-Alpha 3nm Pro Filter
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IMPORTANT: Please read this important note below before buying Antlia narrowband filters. No returns will be accepted for Antlia narrowband filters exhibiting halos around bright stars as disclosed below.
Please note that some users may see halos around bright stars in images made with this filter. Such halos have been observed with filters from other leading manufacturers and in the previous generation of Antlia narrowband filters as well. These halos can be caused and/or made worse by other optical accessories in the imaging train, their relative positions, telescope design/optics, camera, software, or a combination thereof. In general, OIII filters seem to have a higher propensity to show halos compared to H-alpha or S-II filters, but in rare cases the latter filters can also exhibit faint halos around bright stars.
Antlia has made great strides in their coatings to minimize haloing of bright stars, but you may still observe this effect to some degree. See the sample OIII image below of Alnitak (magnitude 1.74) and IC434 in Orion (SkyRover 155mm Apo, ZWO 6200MM-P Camera, 20 min exposure) provided by Antlia. In most cases, haloing will not affect your image unless you have very bright stars in the field of view.
Please note we are unable to accept returns of any Antlia narrowband filters if you do observe this haloing effect in your images.
If you must ensure there are no detectable halos in your images, you may want to consider Astrodon or Chroma narrowband filters instead. These filters, however, cost two to three times as much as Antlia 3nm filters do. Antlia is being honest and upfront. They are the ones telling us about these halos, that their filters are great for the money but still not as good as Astrodon/Chroma, and pointing out that with this full disclosure, they will not accept returns. They are leaving it up to the customer to decide if this is good enough for them or not. We believe that for most imaging applications, Antlia filters continue to offer excellent value for astrophotographers and these continue to be among our top sellers.
For camera enthusiasts, Antlia has launched a series of adapters integrating some of their most popular imaging filters. They are essential accessories if you want to attach your DSLR camera to a telescope.
This adapter - only for use with Canon EF or EF-S camera bodies - is an M48-threaded T-ring with a built-in 3nm H-alpha pro narrowband imaging filter. Please see this link for a detailed description of this filter.
On the camera side, this adapter has a Canon EF/EF-S lens mount. On the telescope side, it has an M48x0.75 female thread. If your telescope's focuser drawtube does not terminate in an M48 male thread, you will need an additional M48-threaded T-adapter (not included).
Antlia has designed a thread within the adapters to install 2" filters. This same adapter is also available with other select filters but is not available by itself without a filter.
The combination of this adapter plus your Canon EF/EF-S camera body will provide the correct 55mm back-focus length if you would like to combine these with corrective optics (field flatteners, reducers, and correctors) with M48 male threads.
Other Information
- Country of Manufacture: China
For camera enthusiasts, Antlia has launched a series of adapters integrating some of their most popular imaging filters. They are essential accessories if you want to attach your DSLR camera to a telescope.
This adapter - only for use with Canon EF or EF-S camera bodies - is an M48-threaded T-ring with a built-in 3nm H-alpha pro narrowband imaging filter. Please see this link for a detailed description of this filter.
On the camera side, this adapter has a Canon EF/EF-S lens mount. On the telescope side, it has an M48x0.75 female thread. If your telescope's focuser drawtube does not terminate in an M48 male thread, you will need an additional M48-threaded T-adapter (not included).
Antlia has designed a thread within the adapters to install 2" filters. This same adapter is also available with other select filters but is not available by itself without a filter.
The combination of this adapter plus your Canon EF/EF-S camera body will provide the correct 55mm back-focus length if you would like to combine these with corrective optics (field flatteners, reducers, and correctors) with M48 male threads.
IMPORTANT: Please read this important note below before buying Antlia narrowband filters. No returns will be accepted for Antlia narrowband filters exhibiting halos around bright stars as disclosed below.
Please note that some users may see halos around bright stars in images made with this filter. Such halos have been observed with filters from other leading manufacturers and in the previous generation of Antlia narrowband filters as well. These halos can be caused and/or made worse by other optical accessories in the imaging train, their relative positions, telescope design/optics, camera, software, or a combination thereof. In general, OIII filters seem to have a higher propensity to show halos compared to H-alpha or S-II filters, but in rare cases the latter filters can also exhibit faint halos around bright stars.
Antlia has made great strides in their coatings to minimize haloing of bright stars, but you may still observe this effect to some degree. See the sample OIII image below of Alnitak (magnitude 1.74) and IC434 in Orion (SkyRover 155mm Apo, ZWO 6200MM-P Camera, 20 min exposure) provided by Antlia. In most cases, haloing will not affect your image unless you have very bright stars in the field of view.
Please note we are unable to accept returns of any Antlia narrowband filters if you do observe this haloing effect in your images.
If you must ensure there are no detectable halos in your images, you may want to consider Astrodon or Chroma narrowband filters instead. These filters, however, cost two to three times as much as Antlia 3nm filters do. Antlia is being honest and upfront. They are the ones telling us about these halos, that their filters are great for the money but still not as good as Astrodon/Chroma, and pointing out that with this full disclosure, they will not accept returns. They are leaving it up to the customer to decide if this is good enough for them or not. We believe that for most imaging applications, Antlia filters continue to offer excellent value for astrophotographers and these continue to be among our top sellers.
For camera enthusiasts, Antlia has launched a series of adapters integrating some of their most popular imaging filters. They are essential accessories if you want to attach your DSLR camera to a telescope.
This adapter - only for use with Canon EF or EF-S camera bodies - is an M48-threaded T-ring with a built-in 3nm H-alpha pro narrowband imaging filter. Please see this link for a detailed description of this filter.
On the camera side, this adapter has a Canon EF/EF-S lens mount. On the telescope side, it has an M48x0.75 female thread. If your telescope's focuser drawtube does not terminate in an M48 male thread, you will need an additional M48-threaded T-adapter (not included).
Antlia has designed a thread within the adapters to install 2" filters. This same adapter is also available with other select filters but is not available by itself without a filter.
The combination of this adapter plus your Canon EF/EF-S camera body will provide the correct 55mm back-focus length if you would like to combine these with corrective optics (field flatteners, reducers, and correctors) with M48 male threads.
Other Information
- Country of Manufacture: China
Antlia M48 Adapter for Sony E Mount Cameras: With H-Alpha 3nm Pro Filter