I've been toying with astrophotography lately. Not the drive 3hrs to the middle of nowhere, break out the tracking mount, stack shots on the laptop for hours kind of astrophotography, the PPP the tripod in the back yard, brew a cup of coffee, and just shoot kind. Most of my better shots come from a 24mm 2.8 nai on a 3200. I do shoot with a 10-24 on a 7000 as well though I'm still working on the settings for that combo.
My question is in regards to a 2.8 wide prime, say a Rokinon 14mm, (which would give me wide enough for longer exposure without trailing but no way to mount a Hoya Intensifier) vs a Nikon 24mm AF-D which would be the same FOV as I have now and be able to fit a 52mm intensifier (which I have). Which would be sharper on the edges, less coma, less CA, etc. the reason I ask is that I may sell the 3200 and the NAI lenses I have (which can only work on the 3200) to partially fund a 7100. I think the 7100s 24mp would benefit my star shots, as well as other types of photography, if paired with a lens that's as sharp and hassle free as my 24mm NAI. The price range I'm trying to stay in is less then $500 (closer to $300 if possible) so if there's a better lens please let me know! I did have a Rokinon 8mm 3.5 fisheye for a short time and the one star shot I did came out surprisingly well but I sold that to fund the 10-24. I do like the feel of the Rokinon lenses. I have never shot with a d lens and my only fear would be turning the focus ring with the camera body still in auto and messing up my body.
another option would be to keep the 3200 and convert it to IR. That opens up a whole other range of questions though.
My question is in regards to a 2.8 wide prime, say a Rokinon 14mm, (which would give me wide enough for longer exposure without trailing but no way to mount a Hoya Intensifier) vs a Nikon 24mm AF-D which would be the same FOV as I have now and be able to fit a 52mm intensifier (which I have). Which would be sharper on the edges, less coma, less CA, etc. the reason I ask is that I may sell the 3200 and the NAI lenses I have (which can only work on the 3200) to partially fund a 7100. I think the 7100s 24mp would benefit my star shots, as well as other types of photography, if paired with a lens that's as sharp and hassle free as my 24mm NAI. The price range I'm trying to stay in is less then $500 (closer to $300 if possible) so if there's a better lens please let me know! I did have a Rokinon 8mm 3.5 fisheye for a short time and the one star shot I did came out surprisingly well but I sold that to fund the 10-24. I do like the feel of the Rokinon lenses. I have never shot with a d lens and my only fear would be turning the focus ring with the camera body still in auto and messing up my body.
another option would be to keep the 3200 and convert it to IR. That opens up a whole other range of questions though.
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