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3X test Objectives vs Lenses

 
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RobertOToole



Joined: 17 Jan 2013
Posts: 1390
Location: United States

PostPosted: Tue Aug 21, 2018 3:05 pm    Post subject: 3X test Objectives vs Lenses Reply with quote

The photography is all finished for a 3x test and working on finalizing the results.

Should be able to post something later this week.



Can you guess the top 3 sharpest lenses?

Anyone?

Robert
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Pau
Site Admin


Joined: 20 Jan 2010
Posts: 4859
Location: Valencia, Spain

PostPosted: Tue Aug 21, 2018 3:14 pm    Post subject: Reply with quote

Qi-optic>Mitu>Minolta?
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Pau
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RobertOToole



Joined: 17 Jan 2013
Posts: 1390
Location: United States

PostPosted: Tue Aug 21, 2018 3:37 pm    Post subject: Reply with quote

Too easy for you Pau! Smile

The mighty Mitutoyo 5x M Plan just barely edged out the little Min5400, I was surprised to say the least.

This is a corner crop sample at 100%.


Mitutoyo 5x M Plan APO 0.14 @ 3x with Voigtlander APO-Lanthar 125mm f/2.5 on the left, Minolta Elite 5400 scanner lens on the right.




Last edited by RobertOToole on Tue Aug 21, 2018 3:47 pm; edited 1 time in total
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RobertOToole



Joined: 17 Jan 2013
Posts: 1390
Location: United States

PostPosted: Tue Aug 21, 2018 3:46 pm    Post subject: Reply with quote

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Beatsy



Joined: 05 Jul 2013
Posts: 1535
Location: Malvern, UK

PostPosted: Wed Aug 22, 2018 12:25 pm    Post subject: Reply with quote

Gratifying that the Mitty/Minolta match-up confirms the outcome of my test of the same (conducted while trying the Linoscan 115/5.2 scanner lens as a tube lens). The 5400 shows some diffraction blur at 3x (onto 4.5 micron pixels). I only take it up to 2.5x normally, but nice to know the limits - and nice to know I'm squeezing max performance from it. Having said that, the 5400 covers FF way better than the Mitty. Swings and roundabouts.
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Jesse



Joined: 11 Dec 2016
Posts: 69

PostPosted: Thu Aug 23, 2018 5:05 am    Post subject: Reply with quote

I look forward to reading the results. I like comparisons.
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