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Statyw do wykonywania zdjęć panoramicznych

Kądzioła K., Tomczewski K.

Pomiary Automatyka Robotyka

2010

R. 14, nr 12

39-40

Do czasu powstania fotografii cyfrowej efekt pracy fotografa stawał się widoczny dopiero na etapie wywoływania wcześniej wykonanych zdjęć. Aparaty cyfrowe zniosły tę niedogodność, wciąż jednak istnieją dziedziny fotografii wymagające od fotografującego dużej wyobraźni. Jedną z takich dziedzin są zdjęcia panoramiczne.

Modelling of edge effects taking account diffusion phenomenon

Rajkowski B., Nowak P.

Optica Applicata

2001

Vol. 31, nr 2

489-498

The results of simulation model examination of the occurrence intensity of edge effects show that they are dependent on time, reaction rate constant, substrate and product concentration, layer thickness and exposure intensity. For this purpose, a model development process was applied, taking account of the kinetic reaction equation as well as the diffusion equation. The results obtained are represented in the form of three-dimensional plots where the intensity of edge effect occurrence is shown as a function of two variables.

Model examination of the reflex-halation in single-layer light-sensitive system

Latacz L., Nowak P.

Optica Applicata

2001

Vol. 31, nr 2

499-506

The results of computer simulation of the effects of light scattering in a system composed of single silver halide light-sensitive layer coated on a transparent base are presented. The scattered light penetrating the base film can suffer from internal reflection from its lower surface and thus contributes to some loss of image sharpness. This effect, called reflex-halation, is very disadvantageous. The qualitative dependence of the MTF curve of the system on its geometric and optical parameters is examined. It has been shown, among others, that the deterioration of image quality is stronger for the thinner light-sensitive layer and is more elongated for the elementary scattering indicatrix of silver halide crystals. The result is similar to that obtained in the case of crossover effect, though in the presence of the antihalation layer the observed dependences are opposite to those just mentioned.