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August 27, 2019

Ubiquity of Python computer language is undeniably popular, it is almost everywhere, even little device like Arduino has a version of it running. So, it is a very good idea to have our StackRail system running in Python environment and that is what pyStackRail is!

To be...

April 4, 2019

Having a large external monitor when doing macro photography is kind of important, this is particularly true for focus stacking -- not just to be able to see clearly, but also to set the right start and end points, to check lighting, to set all kind of parameters, and...

May 8, 2018

Introduction

It has been discussed and debated by many fellow extreme macro photographers whether to use flash or continuous light for extreme macro photography. On one side, people think that flash is better because flash has shorter duration and can freeze an image. O...

April 20, 2018

Why is your insect subject so clean? This question comes up very often when I post a stacked image on Facebook or Flickr. The reason for this question is probably due to the fact that most insect subjects are “dirty” – pollen, dusts, or other little things that are par...

April 20, 2018

Though my first extreme macro lens is not this EL-Nikkor 50 f/2.8N enlarger lens, it is the second one after searching through the internet and various macro related forums. I totally bought the idea that enlarger lenses are designed to project a small negative film on...

April 20, 2018

Overview

Many people started out macro photography with close up add-on lenses, some are cheap and some are not so cheap. One set of well known and widely used add-on lenses are Raynox DC-150 and DC-250. These close up add-on lenses are very convenient to use, simply sc...

April 20, 2018

When taking pictures using a macro lens, shallow depth of field usually mandates a rather small aperture to gain sharpness. With automatic lenses, stopping down is not a problem because the camera keeps the aperture wide open during view finding, unless you press the d...

April 20, 2018

OK, that sounds a bit harsh. Then again, almost every (extreme) macro photographer knows this and tries very hard to put as much diffusion as possible. Just visit any Facebook group about macro photography or any forum, you will find talks of diffusion in abundance, th...

April 20, 2018

I have been asked many times about why there are streaking patterns around border of final stacked image. Well, the most common cause of these streaking patterns is due to the optical instruments used — the magnification of optical instrument changes when the distance...

April 20, 2018

What is chromatic aberration for an optical system? Well, according to Wiki, it is the failure of a lens to focus all colors to the same convergence point. You usually see this effect when you have high contrast edges in your image. Well, it happens not just with micro...

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August 27, 2019

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CLEANING UP IN POST AFTER STACKING

April 20, 2018

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