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Nikon DSLR camera body selection and de-filtering issue

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#1 alpheratz06

alpheratz06

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Posted 13 November 2019 - 11:35 AM

Hello ,there

I'm a recent retiree with plenty of spare time, so I decided to dig a little bit deeper in astrophoto.

 

I have a good equatorial mount, and a life collection of Nikon camera (i'm a photo addict) and lenses. I don't have any astro-dedicated optics at the moment.

 

Let go to the question:

 

I would like to test some imaging, and I was considering to get an astro-dedicated camera body, that is to say, defiltered and (possibly) re-filtered.

 

I have basically two possibilities :

 

a) either buy a recent body in APS-C format (like D5600 or D7500) and refilter it with a filter compatible with day use or

 

b) defilter (and in that case why refiltering?) an "old" body i don't really use so much. Could be a D200 or D300 or even D700 . This body would be used only for astrophoto, so no need to put a compatibility filter

 

My question is : is there a big difference of image quality in astro conditions (higher ISO, long exposure,..) between up to date nikon sensors (such those implemented in D5600 or D7500 )  and older sensors (like in D300/D700) . I remember the D200 was quite noisy in dark conditions, but sensors did evolved quite a lot , i remember the quality gap between D200 and D300.

Any idea / opinion / experience would be greatly appreciated, especially from people owning Nikon bodies , defiltered or not

 

Regards

Jean-Philippe




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