Nikon DSLR Full Frame Sensor Astrophotography Modification or Conversion

Nikon DSLR Full Frame Sensor Astrophotography Modification

  • $199.00
    Unit price per 


 

A DSLR Camera modification for Astrophotography consist of the hydrogen alpha wavelength bandpass transmission increase at 656nm. The original UV/IR Blocking filter present on stock DSLR Cameras only allows over 25% transmission of h-alpha emissions. An Astro-Converted DSLR Camera is about 4 times more sensitive to the deep reddish nebulae structure tones. H-alpha objects/sections are also present in all the other galaxies besides the Milky Way. The hydrogen element is present in the entire universe, and many emission nebulae visible on the night sky and the sun, emanate hydrogen alpha emissions.

 

To read the Full Astro Conversions Types Guide please click here

 

Please check the modification service availability list below for your specific Nikon DSLR model.

 

CONVERSION TYPES:

 

1. UV/IR blocking bluish filter removal only (Full Spectrum)

     

    This is the most unexpensive conversion, most recommended to save money. Having the sensor bare or "naked" the camera will become Full Spectrum (For a complete description of a FS conversion please read option 3). Perfect focus of subjects closer than infinity with lenses can still be achieved in Live View Mode, but the camera will not reach focus to infinity. However, the sensor distance to the lens bayonet will be adjusted to reach focus to infinity with lenses when a Clip-in body filter like the Astronomik L-2 UV/IR blocking or CLS is attached to the camera body (For the D780 and D850, lenses can be used with manual focus only).  When combined with a Clip-in filter like the Astronomik L-2 UV/IR blocking or the Clip-in MC Clear glass, the total price of this conversion is less than the internal filters modifications. Telescopes will always reach focus to infinity without problem.

     

    Without any glass above the sensor there are no internal reflections coming from a replacement filter. When the stock UV/IR blocking filter is removed, the surface of the sensor is not really naked. There is a layer of glass protecting the micro-lenses and bayer filters on top of the pixels.


    Some Nikon camera models have the Low Pass Anti-Aliasing filter with self-cleaning function. The main purpose of the LPF is eliminate moire effect but at the cost of sacrificing sharpness slightly introducing a little blur effect and it also reduces color noise. Please indicate if you would like to preserve the LPF when you are placing your order. With the LPF preserved, the camera will become Enhanced Spectrum (For a complete description of a ES conversion please read option 2).

     

    2. Enhanced Spectrum Conversion with AstroGear Luminance Filter

     

    On this conversion the UV/IR blocking bluish filter and the LPF (On models with Low Pass Filter) are removed and replaced by the non-detachable AstroGear UV/IR Cut Anti-Reflective filter with enhanced H-alpha and Sulfur II sensitivity. With the permanent installation of this filter, this conversion does not require an additional or external UV/IR Cut filter. Perfect focus to infinity with lenses capability including autofocus with Pentaprism/Pentamirror mode is guaranteed for all Nikon DSLR Full Frame models. The camera can be used for daylight photography setting the custom white balance with a gray card shot under the specific light source for "In-Camera" white balance correction or with Adobe Camera Raw white balance presets without the need of additional original white balance filters.

    Out of focus NIR: With the Enhanced Spectrum modification, depending on the lens, telescope or optical corrector used, some imagers might experience a little bit bloated stars due to the near infrared light slightly out of focus when a refractive optical system does not have at least one ED (Extra-Low Dispersion glass) element. This chromatic aberration could be mitigated with post processing correction using computer software.

     

     

    3. Full Spectrum conversion with Astronomik MC Clear Glass

     

    The Full Spectrum modification is the best conversion for planetary astrophotography because the possibility of using infrared isolating filters like the Astronomik ProPlanet 742 IR-pass and 807 IR-pass . The infrared wavelength is significantly less susceptible to poor seeing (atmospheric turbulences) and consequently the resulting images are considerably sharper. Expert planetary imagers process planets photos with single line infrared filters as a luminance channel. The non-detachable Astronomik MC Clear glass is permanently installed in front of the sensor replacing the stock UV/IR Blocking bluish filter.

    This is the most versatile conversion, is suitable for UV/IR Photography, Regular Photography and Astrophotography. This modification has the same Full Spectrum wavelength sensitivity specifications as the UV/IR Blocking filter removal only modification. The sensor is calibrated for autofocus feature to use the camera with lenses through Live View and Pentamirror/Pentaprism mode. Lenses will also focus to infinity.

    Out of focus Infrared: An additional UV/IR cut filter is required to capture the pictures in visible light. This filter is a must when imaging with telescopes using refractive elements (refractors, catadioptrics, reducers/flatteners, coma correctors, etc.) If light frames are captured without an UV/IR blocking filter you will get bloated stars, because UV and IR light rays focus at different distance from the visible light focal plane.

    A luminance filter, or any narrowband filter will cut off Ultraviolet and Infrared Wavelengths.

    For daylight or regular photography an additional Original White Balance filter is required. The Astronomik OWB Clip-in filter can be used to correct white balance (For the D780 and D850, lenses can be used with manual focus only).

     

    For more information

    If you have any question about the modification, please contact us clicking here

     

    Nikon DSLR Astro-Conversion Service Models Availability:

     

    D600 Series

    D700 Series

    D800 Series


    Lead Time

    The lead time for the modifications is usually 5-10 business days (Excluding shipping round trip time) Return free shipping is included for the Continental US. Please ship your camera body only with its battery fully charged to:


    AstroGear 

    10824 Olson Dr

    Ste C-345

    Rancho Cordova, CA 95670

     

    International Orders:

    Customers buying the modification services outside USA will have to purchase the postage from UPS or Fedex on their own to ship their cameras from their location to the United States. The international shipping cost shown on the checkout page includes only the shipping from the United States to the customer's location (one way) and not the shipping from their location to the United States. Custom fees are not included in the international shipping cost.

    International customers are responsible for paying all duties to their respective local customs office.

     

    1 Year conversion Warranty

    All cameras are tested prior the Astro-Conversion. If I find any functional problem, I will inform you immediately. The warranty coverage includes camera functionality related to the conversion. Any kind of physical damage, water damage, abuse or misuse of the Astro-converted camera will void the warranty.

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