Nikon af-s 300mm f4 vs Pentax Da 300mm f4

Started 4 months ago | Discussions thread
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Northernguy60
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Nikon af-s 300mm f4 vs Pentax Da 300mm f4
4 months ago

I have a Nikon D5100 right now and was going to get the Nikon D5200 to put the Nikon af-s 300mm f4 lens on. This would leave my Sigma 105mm lens on the D5100 body. Now I see that the Pentax K-50 bodies are down to $400.00 ( body only) and thought maybe I would get that and put the Pentax DA 300mm F4 lens on that body.

My main concern is image Quality. If anyone has used both lens, how would rate them? If the quality is basically the same , I would go with the Pentax.

I would be using the lens mostly for birding.

Thanks in advance.

 Northernguy60's gear list:Northernguy60's gear list
Nikon D5100 Nikon AF-S DX Nikkor 18-55mm f/3.5-5.6G VR Tamron SP 70-300mm F/4-5.6 Di VC USD Sigma 105mm F2.8 EX DG OS HSM
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