Compound microscopes Light is shone through Able to see cellular Sample preparation is £60-180ish Inverted makes subject so prepared thin structure of plant and required. orientation confusing. specimens are needed. animal specimens. Harder to relate higher Complex to use Higher magnifications Wide variety of magnification inverted requiring more time for are possible (e.g. slides are to the object under instruction. available. view: may require Lower depth of field Image is inverted. interpretation. makes it trickier to ‘find’ Shallow depth of field. Complex focusing. the specimen. Binocular or monocular External lighting is The only type of (but each eye sees same required. microscopes capable of looking at e.g. the nuclei Modular construction of cells or bacteria. means range of eyepieces and objectives can be used to give range of magnifications and resolutions. Fine and coarse focusing
Compound microscopes Light is shone through subject so prepared thin specimens are needed. Higher magnifications are possible (e.g. Image is inverted. Shallow depth of field. Binocular or monocular (but each eye sees same Modular construction means range of eyepieces and objectives can be used to give range of magnifications and resolutions. Fine and coarse focusing Able to see cellular structure of plant and animal specimens. Wide variety of slides are available. Sample preparation is required. Harder to relate higher magnification inverted to the object under view: may require interpretation. Complex focusing. External lighting is required. £60-180ish Inverted makes orientation confusing. Complex to use requiring more time for instruction. Lower depth of field makes it trickier to ‘find’ the specimen. The only type of microscopes capable of looking at e.g. the nuclei of cells or bacteria.
_using_microscopes_delegate_handout.docx