Immersion Oils

Placing a drop of oil with the same refractive index as glass between the cover slip and objective lens eliminates two refractive surfaces, so that magnifications of 1000x or greater can be achieved while still preserving good resolution. The objective lens must be designed specifically for oil immersion microscopy. Attempting to use immersion oil with a "dry" objective will only foul the lens.

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60610 Canada balsam for microscopy
03984 Canada balsam solution for microscopy
96090 Cedar oil
56822 Immersion oil for microscopy