What is a plan microscope objective?
Plan objective–These objectives produces a flat image across the field of view. A plan-achromat, plan-fluorite or plan-apochromat are corrected. Infinity Correction–When measuring from the back end of the objective to the primary focal plane, many microscopes are limited to a specific distance (160mm).
What are the 4 microscope objectives?
Your microscope has 4 objective lenses: Scanning (4x), Low (10x), High (40x), and Oil Immersion (100x).
What is the 100x objective?
The total magnification of a low power objective lens combined with a 10x eyepiece lens is 100x magnification, giving you a closer view of the slide than a scanning objective lens without getting too close for general viewing purposes.
What are plan objective lenses?
A plan (or planar) objective corrects better for color and spherical aberration than either the semi-plan or the achromatic objective. Plan objectives have a flat field about the center 95% of the image. They also often have larger working distances.
What are the 3 types of objectives in a microscope?
Essentially, objective lenses can be categorized in to three main categories based on their magnification power. These include: low magnification objectives (5x and 10x) intermediate magnification objectives (20x and 50x) and high magnification objectives (100x).
What are objectives in planning?
Here we detail about the six major objectives of planning in India, i.e., (a) Economic Growth, (b) Attaining Economic Equality and Social Justice, (c) Achieving Full Employment, (d) Attaining Economic Self-Reliance, (e) Modernisation of Various Sectors, and (f) Redressing Imbalances in the Economy.
What does plan mean in microscopy?
Compound microscope objectives are marked with the terms “Achromat”, “Semi Plan”, or “Plan” to indicate how well they correct for flatness of field,* which determines how much of the field of view (FOV) is in focus.
What is the use of the x100 objective lens?
The objective and ocular lenses are responsible for magnifying the image of the specimen being viewed. So for 10X objective and 10X ocular, Total magnification = 10 X 10 = 100X (this means that the image being viewed will appear to be 100 times its actual size).
What are the objectives of plan?
What are the 4 types of objectives seen in a compound light microscope?
A compound light microscope often contains four objective lenses: the scanning lens (4X), the low‐power lens (10X), the high‐power lens (40 X), and the oil‐immersion lens (100 X).
What are the 5 objectives of planning?
Top 6 Major Objectives of Planning in India
- (a) Economic Growth:
- (b) Attaining Economic Equality and Social Justice:
- (c) Achieving Full Employment:
- (d) Attaining Economic Self-Reliance:
- (e) Modernisation of Various Sectors:
- (f) Redressing Imbalances in the Economy: