Brand New Nikon D850 DSLR fully modded + 4'Astro modded

The original filter has been removed and replaced with the excellent L-2 Astronomik filter for EOS 4'Astro, and the sensor has been carefully repositioned to maintain autofocus capability and the "daytime" qualities of your camera.

With this, you will finally approach photography through a telescope or with a photography lens in conditions that were once reserved solely for astronomical cameras.

The original filter has been eliminated, and the 4'Astro filter we have implanted unlocks the camera’s capabilities in the red spectrum and allows you to capture nebulae (Hydrogen Alpha line) under the best conditions.

You can use this camera in daily life by utilising the white balance settings we integrate into the mod, and the exceptional features of the 4'Astro filter will enable you to enjoy your camera in everyday situations!

The sensor is repositioned with extreme precision on an optical bench at the end of the modification to ensure perfect orthogonality of the sensor with the optical and mechanical axis of your instrument, enhancing autofocus performance.

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Technical Information

Aside from the replacement of the original filter, the features of the body remain strictly identical to those of the standard version.

These products are sold exclusively by EOS FOR ASTRO. Any order will be handled, processed, and shipped by EOS For Astro.

Please note, the original Anti IR filter may not be returned to you as it can be destroyed during handling. The Astrodon Inside modification causes a change in the camera’s white balance. However, this does not render the camera unusable for daytime photography!
To achieve good white balance in everyday photography, you can follow our brief explanatory video and see the before/after results on our White Balance page.