query: Magnification: Microscopes Telescopes
positive_passages.docid: 102289
positive_passages.text: Compound microscope vs astronomical telescope
negative_passages.docid: 52368
negative_passages.text: Does the diameter of the aperture increase with increases in the focal length with constant F-number(F-stops)?
negative_passages.docid: 4389
negative_passages.text: How can a lens with a single focal length focus on more than one plane?
negative_passages.docid: 1032
negative_passages.text: What is the reference point that the focal length of a lens is calculated from?
negative_passages.docid: 9671
negative_passages.text: Do gravitational lenses have a focus point?
negative_passages.docid: 88406
negative_passages.text: What does different focal length offer me?
negative_passages.docid: 158181
negative_passages.text: How does the lens diameter influence photo quality?
negative_passages.docid: 148913
negative_passages.text: Image of concave mirror when object is farther than the focal point
negative_passages.docid: 109652
negative_passages.text: What is the limiting factor in lens construction when it comes to f-stop values?
negative_passages.docid: 58074
negative_passages.text: Physics of Focusing a Laser
negative_passages.docid: 153001
negative_passages.text: Phase portrait on a cylinder
negative_passages.docid: 95230
negative_passages.text: Photo : inverse of miniature effect
negative_passages.docid: 85095
negative_passages.text: Selecting optical size?
negative_passages.docid: 73821
negative_passages.text: Understanding the coordinate system for ImageTake
negative_passages.docid: 48883
negative_passages.text: Heat production of magnifying glass
negative_passages.docid: 155398
negative_passages.text: Normal Artifacts On Grazing Angles
negative_passages.docid: 120266
negative_passages.text: The Double Slit Experiment - delayed measurement