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<blockquote data-quote="BF Hammer" data-source="post: 825977" data-attributes="member: 48483">Take it outside and photograph something with green leaves or some kind of evergreen tree or shrub. That will be what tells me if the visible-spectrum filter on the camera sensor was removed and either replaced with an infrared-pass sensor or a clear sensor for full-spectrum. People pay $300+ to have a camera altered in this way.Full spectrum is commonly used for astrophotography so that more light from outside of visible range can expose the sensor. Infrared conversion replicates using infrared film with a special infrared filteAr. It gives&nbsp; a specific look and can often see through haze better to reveal details. Hold on, my memory is being tickled. Nikon did their own full-spectrum conversion of the D810 and marketed it as the D810A (for Astrophotography). Is the badge on the front of the camera actually a D810A? See link.[URL unfurl=&quot;true&quot;]https://www.nikonusa.com/learn-and-explore/c/tips-and-techniques/using-the-d810a-dslr-for-deep-space-and-nebulae-astrophotography[/URL]<img src="https://images.contentstack.io/v3/assets/blt0e5ec1de4817c440/blt9a2be08df4b03f72/65cf7d6b76081bf9ce818433/D810A-14-24-NIKKOR-lens.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

[QUOTE="BF Hammer, post: 825977, member: 48483"] Take it outside and photograph something with green leaves or some kind of evergreen tree or shrub. That will be what tells me if the visible-spectrum filter on the camera sensor was removed and either replaced with an infrared-pass sensor or a clear sensor for full-spectrum. People pay $300+ to have a camera altered in this way. Full spectrum is commonly used for astrophotography so that more light from outside of visible range can expose the sensor. Infrared conversion replicates using infrared film with a special infrared filteAr. It gives a specific look and can often see through haze better to reveal details. Hold on, my memory is being tickled. Nikon did their own full-spectrum conversion of the D810 and marketed it as the D810A (for Astrophotography). Is the badge on the front of the camera actually a D810A? See link. [URL unfurl="true"]https://www.nikonusa.com/learn-and-explore/c/tips-and-techniques/using-the-d810a-dslr-for-deep-space-and-nebulae-astrophotography[/URL] [IMG]https://images.contentstack.io/v3/assets/blt0e5ec1de4817c440/blt9a2be08df4b03f72/65cf7d6b76081bf9ce818433/D810A-14-24-NIKKOR-lens.jpg[/IMG] [/QUOTE]

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