Bresser Junior 300–1200× Biotar Microscopes

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

A colour is a visual attribute that describes the hue or shade of an object or surface. It can be a single dominant colour, a combination of colours, or a range such as "Black, White". The value may be expressed in common names (e.g., Black, Silver) or descriptive terms (e.g., One Colour, Assorted).

The optical magnification factor of a device such as a camera lens, binoculars or telescope. It indicates how many times larger an object appears compared to its actual size when viewed through the product. Values are expressed as a multiplier (e.g., 2x, 10x).

The optical magnification factor of a camera lens, expressed as a multiplier (e.g., 2x, 10x). It indicates how many times larger an object appears compared to its actual size when viewed through the lens.

The overall linear dimension of a product measured along one axis, expressed with a standard unit such as meters, centimeters or inches. It represents the full size from end to end and is used to compare physical dimensions across similar items.

The type of optical or digital device used for viewing, such as binoculars, monoculars, trinoculars, or devices with a built‑in screen. It indicates the general form factor and whether the device provides multiple lenses or a single lens for observation.