30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)

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  • 30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)
  • 30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)
  • 30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)
  • 30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)
  • 30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)
  • 30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)
  • 30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)
  • 30mm Rubber Eye Cups, Microscope Eye Guards, Foldable (Pair)
  • These rubber microscope eye guards have an inner diameter of 30mm (1.18 inch) mounting size.
  • The eye guards stretch slightly by 1-2 mm, to fit eyepieces with an outer diameter of approximately 30mm (1.18 inch).
  • The inner lip (6mm, 0.24 inch) holds the eye guard in place to prevent it from sliding down on the eyepieces.
  • They are foldable for different applications. One pair of eye guards contains 2 pieces.
  • Please measure the outer diameter of your eyepiece. Other sizes are available for eyepieces of different outer diameters.
The high quality rubber provides gentle contact with the eyes.

Eyeguards provide an extra protective layer between the microscope eyepieces and the user. Eye guards provide comfort and eye relief for long viewing sessions. Helps protect your eyes from stray light in the working environment.

Quick Overview
Eye Guard Mount Size: Dia. 30x6mm.

SZ02013911 30mm Eye Guards, Foldable (Pair)
Eye Guard
Eye Guard InstallationIndependent Eye Guard
Eye Guard Mount Size Dia. 30x6mm
Foldable Eye GuardYes
Net Weight0.007kg (0.015lbs)
Dimensions Dia. 32x18mm ( Dia. 1.259x0.709 in. )


Technical Info

EyepieceClose Λ
Eyepiece is also called ocular.
Eyepiece is a visual optical device that is used to observe an image formed by an objective lens after magnification.
Eyepiece can magnify the real image obtained by the magnification of the objective lens to form a clear and erect virtual image at the least distance of distinct vision (LDDV). For aberration, eyepiece is usually composed of several lenses that correct the residual aberrations produced during imaging by the objective lens. Usually, eyepiece has a relatively larger field of view and angular magnification.

The eyepiece is provided with a diaphragm in the middle of the upper and lower lenses, or at the lower end of the lower lens, wherein micrometer, reticle, pointer and other accessories are mounted.
On the eyepiece there is engraved with the following marks: eyepiece type, magnification, field of view number, and the like. For example, eyepiece is engraved with PL10X/22; PL represents plane eyepiece, or flat-field eyepiece, 10X is the magnification, 22 represents the field of view, and the glasses mark represents high eyepoint eyepiece, and C represents compensating eyepiece.
Generally, the outer diameter of the eyepiece of a compound microscope is 23.2 mm, and stereo microscope can have a much larger field of view diameter because of its low magnification, so the outer diameter is mostly 30 mm (or 30.5 mm).

The resolution capability of the microscope is determined by the numerical aperture of the objective lens, while the eyepiece plays only the magnification role. Therefore, for structures and details that cannot be distinguished by the objective lens, the eyepiece still cannot distinguish even if it is magnified again.
Independent Eye GuardClose Λ
The main function of the eye guard is to block the ambient stray light, which makes it more clearer when observing through the eyepiece. In addition, the height of the eye guard is basically the eyepoint exit pupil distance of the eyepiece, and when the eye is close to the eye guard, it is the exact position for clear imaging.
PackagingClose Λ
After unpacking, carefully inspect the various random accessories and parts in the package to avoid omissions. In order to save space and ensure safety of components, some components will be placed outside the inner packaging box, so be careful of their inspection.
For special packaging, it is generally after opening the box, all packaging boxes, protective foam, plastic bags should be kept for a period of time. If there is a problem during the return period, you can return or exchange the original. After the return period (usually 10-30 days, according to the manufacturer’s Instruction of Terms of Service), these packaging boxes may be disposed of if there is no problem.
Packaging TypeCarton Packaging
Packaging MaterialCorrugated Carton
Packaging Dimensions(1)4.5x4.5x4.5cm (1.771x1.771x1.771″)
Inner Packing MaterialPlastic Bag
Ancillary Packaging MaterialsSponge
Gross Weight0.02kg (0.04lbs)
Minimum Packaging Quantity1 Pair
Transportation CartonCarton Packaging
Transportation Carton MaterialCorrugated Carton
Transportation Carton Dimensions(1)15.2x15.2x15.2cm (6x6x6″)
Total Gross Weight of Transportation(kilogram)0.15
Total Gross Weight of Transportation(pound)0.34

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