Posts that relate to the Keyword: photomicrographs

A digital reticle: micrographs with an iPhone

I found the following YouTube video, which illustrates the use of an iPhone applet for the taking of micrographs.

How to obtain the best resolution with your microscope

The resolution that a microscope is capable of achieving is probably the single most important factor that determines the quality of a microscopic image. Without a sufficiently high resolution, magnification is not possible without loss of quality. There are a variety of different factors that determine the achievable resolution. Some of these factors can not be actively influenced by the microscopist, others can. Some of the factors play a larger role, others a smaller one. In the following post, I want to summarize some of these factors.

Observing a Kiwifruit

Soft specimens can be observed by squashing a small sample between the slide and the cover glass. Here I would like to present: a Kiwi fruit

Mystery Object in Dust (Anthrenus sp.)

Anthrenus sp. is also known as a “carpet beetle”, and is known to eat textile material. Not a good thing to have it around in a household.

Enhancing Photomicrographs

There are a range of different possibilities: Enhancing contrast: Photo editing software (such as Adobe Photoshop or GIMP) contain functions that enhance the contrast of an image. Find the menu point “Auto Levels” or simply “Levels”. This tool will make the darkest part of the image black (even if it was not black before) and [...]