Can telescope have dual purpose?
102289
Compound microscope vs astronomical telescope
115158
Can magnetic fields be redirected and focused at one point?
16051
Is one way glass possible?
55308
Examining the function
12994
Is it physically possible to build a long zoom (17-300 mm for example) at an aperture value of around 1.4 or 1.2?
52487
Orbiting a specific point - Orbiting Camera
138978
Is optical image stabilization a necessary feature for any lens?
105343
Interference at the focus of a convex lens or a concave mirror
30144
How can I mix two materials based on incoming light
157951
Is it feasible to measure the energy of cosmic ray muons with a consumer Digital Single Lens Reflex camera?
104090
Can you use Minor Illusion to create an illusion of a working mirror, i.e. with reflection?
57370
What are the limitations of a typical kit lens as a general purpose lens?
34186
Point Stacker in combination with other filter
65260
In how many ways can you select one of the two but not both?
78500
Can I desaturate incoming light using a filter or series of filters mounted to the lens?
40309
Glass acting as a lens?
139086
Can the arcane/druidic focus staff double as quarterstaff?