Insect Macro

Bashwell39

New to Mu-43
Joined
Jul 12, 2019
Messages
7
Location
United Kingdom
Some recent insect macro shots from Cambs, UK.
Om-d EM1mkii 60mm. #Macrolunchtimes
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Bashwell39

New to Mu-43
Joined
Jul 12, 2019
Messages
7
Location
United Kingdom
Natural sunlight...amazingly its summer time here in UK and we actually have some sun... No flash involved in any of these, I do have a Stf-8 but not used on these.
 

retiredfromlife

Mu-43 Hall of Famer
Joined
May 15, 2016
Messages
3,606
Location
Sydney, Australia
Whats an Achromat?
Double element close-up lenses
Double element (sometimes called dual-element or achromatic close-up lenses) close-up lenses contain two elements. The second element corrects the aberrations of the first, resulting in excellent image quality across the frame and minimal chromatic aberration.
Example canon 500D close up filter.

The above copied from this article below
https://digital-photography-school.com/getting-up-close-with-close-up-lenses/
 

archaeopteryx

Gambian sidling bush
Joined
Feb 25, 2017
Messages
1,175
The second element corrects the aberrations of the first, resulting in excellent image quality across the frame and minimal chromatic aberration.
For certain decidedly restricted values of excellent and minimal, anyway. The 2/1 optical formula of an achromat doublet does work well for their typical use as minor magnification boosters. However, either an aspheric element---we have a thread going about really fancy ones---or a third spherical element is required to correct the six main aberrations (spherical, coma, distortion, astigmatism, and field curvature). This is presumably why Raynox uses 3/2 formulas in the DCR-150 and DCR-250, though 3/3 is needed for reasonably full correction. It also appears the author is confusing achromatic with apochromatic.

I'm unsure there's any photographic method for obtaining magnifications noticeably above what a 1x macro lens offers which I would describe as excellent. There are lots of options but also lots of tradeoffs.
 
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