Asromarrt.com: Surplus Shed Rubberized Roof Prism 8x21 Monocular
Who says you have to spend a couple hundred or even thousand bucks to observe distant objects? Certainly not Lee Spain. He is a "monocular man" and for a very small investment in a monocular, has been rendering public service by observing the behavior of "far off objects". 'What does it take to become a Monocular Man? Only $9 plus shipping and handling yields a “Rubberized Roof Prism 8x21 Monocular” from the Surplus Shed. Let me tell you more about this incredible little bargain monocular. It has a rubber armored body that measures just over 3 ½ inches long (9cm) and about 1 inch diameter. It provides 8x magnification and has a 21mm achromatic doublet objective. A roof prism ensures that you get an erect image. The optics are coated. The monocular provides a 128 meter field of view at 1000 meters. This tiny instrument focuses by twisting the three-element eyepiece. It comes with a strap and a little nylon carrying case.'
Features:
•Coated glass optics.
•Achromatic 21mm cemented doublet objective lens and 3 element focusing eyepiece.
•Coated optics.
•Roof prism gives erect image.
•Rubberized and extremely compact.
•Only 3-1/2" long by 1" diameter. 128M/1000M.
•Easily fits in pocket or purse.
•Includes hand strap and cleaning cloth.
•Great to take to a play or concert.
Read: Astromart