200-500 and 200-400 moving forward, e.g., Z.

Started Aug 17, 2019 | Discussions thread
olindacat
OP olindacat Regular Member • Posts: 456
Re: 200-500 and 200-400 moving forward, e.g., Z.

owlseye wrote:

I am a biology teacher and the owl in the test is a mounted owl for educational purposes (in other words... dead). It is a perfect subject for assessing sharpness.

Oh. I didn't notice that. It looked like a pleasant, satisfied little creature. Must have died happy

Oh... and thanks for all of the nice comments about my site... I did a thorough comparison of the two lenses while in Florida in 2015... here is that blog post: http://btleventhal.com/bruceleventhal/2016/3/23/the-6200-question

I have to say... Tamy is one heck of a good photographer! (You too

The review is nice, thanks. In it, you mention "to approach the magnification of the less expensive zoom" you deployed TC-1.4E. Was that combo used in the examples Burrowing Owl, and Osprey Nest Building 200-400 shots? (The captions do not say what focal length they images were shot at.)

Also, if you had the TC-1.4E coupled with the 200-400, and she had that 200-500 on the DX body, isn't her focal length 1.5*200-500? Is that the idea behind the TC? Did she keep her focal length in your relative region?

One more: I feel $500 is not much of a premium to pay for the 200-400, over what I can get the 200-500 for. If I shoot the 200-400 in crop mode on my D810, or snag a D7500, will I lose sharpness with this lens in crop mode with the D810, or the natural crop of the 7500?

Thanks for all of your input, Bruce. Most helpful to me. I am still completely lost ha ha.

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