The word “Schlieren” is German, and translates roughly to “streaks”. What is streaky photography, and why might you want to use it in a project? And where did this funny term come ...

First, let us understand how we see images in the first place ... and also the cultural emphasis on academics and studying. Concave lenses correct myopia by being thin at the centre and thick ...

To observe diffraction of light due to a thin slit. 7. To study the nature and size of the image formed by (i) convex lens (ii) concave mirror, on a screen by using a candle and a screen (for ...

However, due to the limited depth of field (DOF) of the camera lens, the traditional PMD cannot image the specular surface under test ... According to the principle of concave mirror paraxial ...

Definition: An achromatic lens can be defined as a lens which is made by a combination of two different types of lenses carrying different focal powers in a manner such that the images formed ... of ...

The TTArtisan Tilt 35mm f/1.4 enables creators to play with creative slices of focus. Tilt lenses are popular for making real ...

The solar gravitation lens (SGL) has much potential as a telescope. This point in space, located about 650 AU away from the ...

Canon's senior leadership team spoke to us about demand for new compact cameras, the challenge of selling accessory ...

Lots of potential sunglasses negatives are ticked off with these shades straight out of the gate. The arms fold, unlike the Oakley Velo Kato. The lenses are easily interchangeable, another plus point, ...

Photo: Abby Ferguson As you start to shop for lenses, you'll come across the terms "prime" and "zoom." But as with most gear ...