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the nosepeice. it may have other names but this is what i know it as.
Because the objective touches the lens.
Because otherwise the sample might hit one of the lenses during loading or unloading. The smallest objective lens is always further away from your sample, that makes it safer to (un)load.
Always carry a microscope with two hands. Place one hand under the base of the microscope and hold the arm with the other hand. Do not allow the microscope to drop or bump into anything while carrying it. This could damage the microscope or cause small pieces to break off that could cause a tripping hazard. Touching the microscope lens can smudge or damage it. Always use lens paper or a soft cloth with a small amount of isopropyl alcohol to clean a dirty microscope lens. Remove slides and cover slips from the stage before storing the microscope, and rotate the nose piece so that the smallest power objective is facing the stage. Place a dust cover over the microscope when storing it to prevent dust and dirt from damaging the machine. Read more about Microscope Saftey Procedures in the related link.
Stage clips
It should be stored with the low-power objective in place.
Scanning objective
the nosepeice. it may have other names but this is what i know it as.
The objective lens with the lowest magnification, usually 4x. Be sure to clean all the lens with lens paper before putting the microscope away.
Because the objective touches the lens.
Simply, multiply the magnification of the ocular lens times the magnification of the objective lens you have in place.
10 X 10 = 100 magnification. Ocular lens = 10 Objective lens = 10
Because otherwise the sample might hit one of the lenses during loading or unloading. The smallest objective lens is always further away from your sample, that makes it safer to (un)load.
microscope consists of two lens called eye lens and objective lens. objective lens is lens kept behind object and eye lens is keep on the top of microscope .i.e. on the place through which we look. firstly the object is placed behind the objective of microscope which is turned into virtual, erect and magnified image. later this image is thought to be the object for the eye lens and this objects forms real, inverted and magnified image.
Always carry a microscope with two hands. Place one hand under the base of the microscope and hold the arm with the other hand. Do not allow the microscope to drop or bump into anything while carrying it. This could damage the microscope or cause small pieces to break off that could cause a tripping hazard. Touching the microscope lens can smudge or damage it. Always use lens paper or a soft cloth with a small amount of isopropyl alcohol to clean a dirty microscope lens. Remove slides and cover slips from the stage before storing the microscope, and rotate the nose piece so that the smallest power objective is facing the stage. Place a dust cover over the microscope when storing it to prevent dust and dirt from damaging the machine. Read more about Microscope Saftey Procedures in the related link.
The purpose of the arm is to connect the tube to the base of the microscope. When carrying a microscope you should always have one hand holding the "arm" of the microscope and one supporting the base of the microscope.
While moving the microscope from one place to another, always keep it in an upright position.