Blowfly at 5X using Nikon CFI BE 10X (stereo added)

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Re: Blowfly at 5X using Nikon CFI BE 10X (stereo added)

Post by rjlittlefield »

And... 375 frames? Did you shoot so many because you had to?
The nominal DOF of an objective with NA 0.25 is only 8.7 microns.

I stretched that a bit to 10 microns, so as to fit this specimen in only 375 frames.

So, yep, it's because I had to. If I had shot with a focus step much larger than this, then it would have showed focus banding when pixel-peeping.

--Rik

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Re: Blowfly at 5X using Nikon CFI BE 10X (stereo added)

Post by MarkSturtevant »

Also to desert bluegrass: The Canon MPE65mm is pretty much the standard for super macro lenses, but there are at least two strong competitors out there, and they cost considerably less. One reason being that they are fully manual lenses, so working at high mag will likely require supplemental lighting. But people make it work. They come in more than one camera mount. I only know that they come in the Canon EF mount, and that is why I have my eye on them.
1) The Venus/Laowa f/2.8 25mm. This goes from 2.5X - 5X. This is a small lens with a narrow front element, which is nice for bringing it close to the ground. If ever I get a super macro, this is the one I'd pick for that reason.
2) The Mitakon f/2.8 85mm. This goes from 1X-5X. Early reviews found a problem with its optics (and those reviews will still turn up in searches for reviews of the lens), but reportedly the problem has been fixed so that more recent reviews are quite positive. One feature of note is that it has a longer working distance, which makes lighting easier.

Admin edit, rjl: spelling, "Mitagon" --> "Mitakon"
Mark Sturtevant
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Re: Blowfly at 5X using Nikon CFI BE 10X (stereo added)

Post by Scarodactyl »

Even post-fix I don't think I've seen any very positive reviews of the Mitakon. Edit:never mind I did find one.

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Re: Blowfly at 5X using Nikon CFI BE 10X (stereo added)

Post by MarkSturtevant »

Scarodactyl wrote:
Fri Apr 08, 2022 8:41 pm
Even post-fix I don't think I've seen any very positive reviews of the Mitakon. Edit:never mind I did find one.
I did find two reviews post-fix after a quick look-around. This one: https://petapixel.com/2020/01/23/back-f ... edesigned/ being sufficiently detailed to clearly show that the lens is now very close to the mp-e65, but the old Canon lens is still very slightly better. So that decides it for me as well.
Mark Sturtevant
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