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Brett BARCLAY's picture

Astrophotography Lense

I'm looking to upgrade to a good Astrophotography lens but I don't know anything about them. I've read a few things here and there about different ones. What ones would you guys recommend? I have a Nikon D3400.

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Jay W's picture

Are you looking to do Deep Space or Wide Field?

Robert Huerbsch's picture

With a tracker for deep space the 135 F/2 is excellent, or Tamron 70-200 F/2.8
wide field I use a Rokinon 24 F/1.4 usually at F/2. It is very sharp with little coma.

Eric Zaal's picture

If you are looking to do wide field night scapes look at the Rokinon/Samyang (They are the same lens) 10mm or 14mm F2.8 lenses. The D3400 is a crop sensor lens so you will have to multiply the focal length by 1.5 for the Nikon or 1.6 for Canon. For deep space the Rokinon/Samyang 135 F2 or F2.8 is a good choice. I have also been using the Mitakon 135 f2.8 with nice results. However without a star tracker you will be doing a lot of 3 second shots and then stacking with software like Deep Sky Stacker, Sequator or Siril. It is heavy on the shutter count. There are several very portable star trackers in the 450.00$ that work well or you can step up to a light weight telescope mount for a couple hundred more. One nice thing I have noticed using my 5200 vs the 750 is that i get less vignetting on the crop sensor. You can also try using the widest kit lens you have just to test the waters to see if you will like it, yes they are not as fast but with stacking you can still get some really decent shots. Sequator gives you the ability to lock the ground targets while stacking the stars so the ground does not become blurry. Hope this helps.