Buying a microscope can be confusing when looking at the microscope objective types. You will notice terms like Achromatic, Sem-Plan, Plan, Super High Contrast, PlanApo, Apochromatic, etc. But what do these terms mean? These terms help identify the quality of the microscope objective lenses, ...
Objective lenses are the most complex part of the microscope due to their multi-element design. It is this complexity that makes the objectives the most important components of the microscope.
Purpose and Function of Objective Lenses Objective lenses are the primary lenses closest to the object being looked at in a microscope. They are like the eyes of the microscope. Additionally, these lenses gather light from the specimen (the tiny thing you want to see) and magnify it, making ...
What are lenses?A lens is a transparent piece of glass or plastic with at least one curved surface. It gets its name from the Latin word for "lentil" (a type of pulse used in cooking), but don't let that confuse you. There's no real reason for this other than that the most ...
These biological inverted microscopes are used to view living samples that are in a petri dish. An inverted microscope allows the user to place the petri dish on a flat stage, with the objective lenses housed beneath the stage. Inverted microscopes are used for in-vitro fertilization, live ...
The light microscope.The common light microscope used in the laboratory is called acompound microscopebecause it contains two types of lenses that function to magnify an object. The lens closest to the eye is called theocular, while the lens closest to the object is called theobjective.Most mi...
2. Compound Microscope Compound Microscopeis a type of microscope that used visible light for illumination and multiple lenses system for magnification of specimen. Generally, it consists of two lenses; objective lens and ocular lens. It can magnify images up to 1000X. Its magnifying power is equa...
thecontrastin theimageto useful levels (seecontrast methods).Typically, on a standard compound optical microscope, there are three objective lenses: a scanning lens (4×), low power lens (10×), and high power lens (40×). Advanced microscopes often have a fourth objective lens, called an ...
Oil used for silicone immersion objective: Silicone immersion oil 30ccOil immersion objective features Appropriate for observations that require high resolution because it has the highest NA of all immersion objective lenses Best for observations of sample surfaces (vicinity of cover glass) because its ...
observation method because they disturb linearly polarized light that is used. The microscope requires a polarizer and a differential interference prism on the illumination side, and a differential interference prism and an analyzer on the imaging side. Objective lenses for phase contrast cannot be ...