Mitutoyo M Plan 7.5x: finally!

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nielsgeode
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Joined: Tue Jul 31, 2012 11:47 am
Location: Groningen, Netherlands

Mitutoyo M Plan 7.5x: finally!

Post by nielsgeode »

It took a bit of time, but I have a brand new Mitutoyo M Plan 7.5x NA 0.21 :D

Image

I hope to be able to post some test result with this wonderful objective in the near future.

Any suggestios for benchmark pics?

Peter De Smidt
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Post by Peter De Smidt »

I look forward to seeing the results!

ChrisR
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Post by ChrisR »

Any suggestions for benchmark pics?
Diminishing bank balance?

Craig Gerard
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Post by Craig Gerard »

8)
To use a classic quote from 'Antz' - "I almost know exactly what I'm doing!"

Blame
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Post by Blame »

ChrisR wrote:Diminishing bank balance?
I suppose the warning on the keeper was to the point there. "do not fall or drop". Alas the bank balance is likely seriously damaged.

Chris S.
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Re: Mitutoyo M Plan 7.5x: finally!

Post by Chris S. »

nielsgeode wrote:Any suggestions for benchmark pics?
Niels, all the vital benchmark subjects I can think of are in my macro studio. Believing in good deeds, I would offer to test this unknown and risky objective on your behalf. Checking it on a suitably wide variety of subjects would require several years, but what is that trifle, for a fellow PMN forum member?

Seriously, way to go, Niels! :D But please don't make this objective look too good, or my bank balance will diminish, too.

--Chris

abpho
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Post by abpho »

WooHoo. Congrats. Many interested parties here. I bet I'm not the only one smiling. :D
I'm in Canada! Isn't that weird?

nielsgeode
Posts: 304
Joined: Tue Jul 31, 2012 11:47 am
Location: Groningen, Netherlands

Post by nielsgeode »

I finally had the time to do some quick testing. I have taken three different stacks of the same moth with the Mitu 5x, 7.5x and 10x objectives.

Here are the 'raw' output stacks without any retouching:

https://www.flickr.com/photos/29816342@ ... 905550505/

In my opinion, the Mitu 7.5x performs at least as good as the 5x and 10x Mitu's :D

I'm looking forward to any comments on the sample pics of this (wonderful) objective.

Niels

Chris S.
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Post by Chris S. »

Niels,

Your 7.5x seems right in line with the Mitty 5x, 10x, 20x, etc. This is no surprise, but it's nice to have confirmation.

For me, 7.5x would often be a convenient magnification. I'm just waiting for an assignment that this lens would be ideal for. Then I will purchase a specimen without a second thought.

Thanks for the data points!

--Chris

jazzper
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Location: Copenhagen, Denmark

Post by jazzper »

It would be interesting to see a comparison of the 7.5x on a 200mm lens and the 10x on a 150mm.
Jesper - Flickr

nielsgeode
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Joined: Tue Jul 31, 2012 11:47 am
Location: Groningen, Netherlands

Post by nielsgeode »

Maybe, but I only have a 135mm f/2. I don't have a 150mm (fixed, or zoom in that range).

alligator
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Post by alligator »

Thanks for posting about that objective. I want one!

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