Micro fisheye

How to take photos from a bug’s point of view. Nearer than ever, yet wit good working distance. Below the articles with the content. Most is theory and designs, no photos for now.

Articles written 20 November – 3 December 2020. The main idea appeared about 20 October 2020. Not all pages are polished and a lot of things still to say, but I think it is already a lot of material. Maybe will do some more work in January. Write me for what is not clear or of you have better knowledge or ideas.

Theory I

How near can we get? How sharp will be the subject? How blurry the background? Not rocket science, but I couldn’t find those answer properly collected together. Warning: long and messy.

Amateur stacks

A short overview of three homemade solutions for wide angle macro.

Telescope eyepiece field lens, APM UF 24
Eyepieces as macro objectives

Telescope eyepieces can be used as objectives; are image telecentric, with wide angle and forward pupil. Apparently, has never been done before.

Relay assembly with front pupil
Theory II: front-aperture lenses and the relay system

DRAFT – The best solution to increase working distance is the front-pupil objective; and they like to be mounted on relay probe assembly.

Selfie probe lens
My stacks

DRAFT – Described photos of some of the working lens assemblies I’ve tried and described in other posts.

A probe lens for cine production, Innovision
Probe lenses

A short overview of available photographic relay systems.

Some retrofocus wide angle can go to 1:1 macro, Laowa
Wide angle macro lenses

A short overview of standard wide angle lenses that can do some macro.

A prime lens can be used in several ways.
The image-aperture swap

Just put the aperture at another place and your inverted macro will become a (moderately) wide angle. Too easy to be true?

Nearer, faster, wider

DRAFT – We all want more magnification! And we can get it, just pick some specific objects already in your home and stack them with specific spacings.

The bug’s perspective

DRAFT – Where all this micro fisheye project started: how to get into the bug’s point of view. Seriously.

Crowdfunding for a dedicated wide macro

DRAFT – Enough with DIY. How many people will be interested in a wide angle macro, with long working distance, near & fast, with autofocus and reasonable price? I believe it is feasible; about minimum 1000 preorders to industrialize it. I am unable to finish any project, so need some help.

A weird glue at a weird perspective. Photo from the usual opto.e
Beyond infinity magnification

With forward-pupil objectives we can easily take Pericentric images; the antithesis of wide angle.

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