D600 for astrophotography?

Started Mar 9, 2013 | Discussions thread
Astrophotographer 10
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Re: D600 for astrophotography?
In reply to Robin Casady, Mar 10, 2013

Yes good point. If I did get a D600 I'd want the dust issue resolved (I have no idea if Nikon is shipping new cameras free of this defect or if it is continuing - they have such bad PR handlings).

The mod consists of removing the AA and UV/IR block. All sensors have a cover slip and you don't end up with a naked sensor. You can also replace the existing filter with a less restrictive UV/IR block filter (astro mod) or with an IR filter (infrared mod) or with optical clear glass with double sided anti-reflection coatings (full spectrum mod).  No microlenses get touched nor is the sensor stripped to naked. That would be an additional mod to take the camera to mono by removing the cover glass, the bayer colour filter array and presumably putting a new cover slip on.

If the replacement filter is not the same thickness or refractive index of the removed filters AF will be off and won't work. The sensor can be packed to raise the height as an alternative.

I intend to experiment with a cheap old cameras stripping down to mono to see what is involved.

Greg.

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