Starwave 50mm Straight Through Finder Scope with an indexed...
Used & in "Very Good Condition". Checked over by our expert team...
A rainbow for indoors! This large crown glass prism projects beautiful spectral colours into your room. Hang the prism in a south-west or south-east facing window. When the low standing sun shines through the prism, it projects fields of spectral colours sideways into the room. A slight spin of the prism makes them dance around beautifully.
Alan Davies and Phill Jupitus try out upside down goggles - QI Series N Episode 8: Preview - BBC Two These amazing Reversing Goggles allow you to view the world upside down! The plastic goggles hold two Dove prisms, which invert the image. Available in: Ready to use or Kit form - Selection on Right
A very special photographic paper from the early days of photography. Just put objects or negatives on the paper and expose it to the sun light. The outlines of the objects will show up as a silhouette. Pack of 20 sheets, 140 x 190 mm
An inverting prism made from high quality PMMA (acrylic glass), named after its inventor, the physicist and meteorologist Heinrich Dove (1803-1879) Also a spare part or replacement prism for the reversing goggles.
Made from natural hail, Evoco brushes are the perfect all-round brush for many model and hobby uses, keeping their shape and quality long after their first use. Also includes a small tin of paint suitable for Astromedia reversing goggles dove prism.
A very special photographic paper from the early days of photography. Just put objects or negatives on the paper and expose it to the sun light. The outlines of the objects will show up as a silhouette. Developing and fixation with tap water and without the need of a dark chamber. Made from non-poisonous & recycled paper. Pack of 10 sheets, 215 x 280...
All our modern cameras have one common ancestor - The Camera Obscura: the light of the outside world falls through a pinhole onto the opposite wall of a room and produces an upside-down picture. In the 16th century the camera obscura was greatly improved by an objective lens, which produced much brighter pictures.
With this easy to build spectroscope you can examine the spectrum of any light source: glowing bodies (sun, incandescent light bulb), fluorescent lamps, etc. On the nano-meter scale you can read the wave length to 5 nm accuracy.
From the 17th century on magic lanterns made a huge impression on fair ground spectators. This is a kit for an elegant and fully functional cardboard replica in original size. It comes complete with electric lighting, three lens optics (3x OptiMedia lens 7), and one classical picture strip. Of course you can make your own slides for projection.
A small sensation for a small price: With this kit you can build a fully functioning zoom microscope with a variable magnification of 20x to 40x! The optical system, comprising 4 high quality acrylic lenses, is computer calculated and produces a sharp, colour-corrected image.
In the current hype for 3-D effects and movies it is easily forgotten that the basic principles for these have already been laid down 180 years ago by the English scientist Charles Wheatstone.