Category: Technique

I have just added a section about visualization from one single stack of photos

A picture can sometimes be difficult to interpret. What is it I am looking at, what part of the subject in the picture is closest to me and what parts are further away? There are methods like this rocking GIF that can be used for better visualisation of a single stack of photos.  Read more […]

Now on line: Photogrammetry step 5 – using stacked pictures

Photogrammetry makes it possible to store, view and share information about a subject in 3D. But the technique has some limitations. One is that you need sharp photos of the subject you want to make a 3D model of. In macro photography the shallow depth of field can therefore be a problem. One time consuming […]

Morpho aega pseudocypris

The colurs of Morpho butterflies are stunning, but photographing Morpho wingscales are new to me. This is a photo of what I expected a Morpho to look like – a didius argentiferus from the Swedish Natural History Museum It turned out that, at least some, Morphos can be quite difficult to photograph. This is a […]

I have just aded a section about Baltic amber

Ant in Baltic amber, photographed with Mitutoyo M plan apo 20x objective. Baltic amber are said to be from 44 million years ago. If you want to photograph insects or other amber inclusions you have to chose carefully to find nice objects that are close to the surface. A water dipping objective and submerging the […]

Compensating variation an old trick – and another Cross eyed stereo

This is a Nikon microscope plan apo 20x, NA 0.75, 160mm objective. The working distance is quite short 0.64 mm according to a Nikon brochure. This lens is not intended to be used without a coverslip. If you use a high NA objective without a coverslip the picture does not form correctly. But what do […]

Added a picture to the Cross eyed stereo page

I have done some single pictures of this subject that can be seen as the photo of the day here. To make it easier to see the inner structure I yesterday made a cross eyed picture and added it to the Cross eyed stereo page. The first time I was able to view a cross […]

Dor beetle

Anoplotrupes stercorosus, the dor beetle, is a species of earth-boring dung beetle. (Skogstordyvel in Swedish). Gear and teqnique was the same as I used for the Rose Chafer, Camera Canon EOS 6D, Lens MP-E65mm f/2.8 1-5x Macro Photo, pictures stacked in Zeren Stacker. Link to this picture at Alamy

Photogrammetry step 4 – Preparing a model for upload is online

In this step I show you how to Select and delete free floating debris Select and smooth artefacts on the surface of the model Decimate the model Adjust the texture / UV map Read more here; Photogrammetry step 4 – Preparing a model for upload

Updated the depth of field page

I have uppdated the depth of field page with some example calculations of depth of filed (DOF) with green light and air, using this formula. Read more here, Depth of Field


This is a Cross eyed stereo picture of Pyrite. Pyrite is cubic crystals of iron disulfide. For this picture I stacked over 800 photos in Zerene Stacker. I used a Canon 6D camera and a Mitutoyo M Plan Apo 20x and a Raynox DCR-150 as a tube lens.

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