Vivitar Series 1 600mm f/8 Solid Catadioptric Lens

This lens was made in the USA by Perkin-Elmer, the same company that made the optical system for the Hubble Space Telescope. Because the lens is made of solid glass, it is extremely resistant to shock and vibration and weighs 1.5Kg or 3Ib 4.5oz. Sold for about $650 in the 1970’s. The lens has M42-.75 rear flange, which accepts T … Read More

Vivitar 20X 30X 40X Refractor Telescope and Microscope Set

Vivitar VIV-TELMIC-20 Refractor Telescope and Microscope SetVivitar 20x/30x/40x TELESCOPE & MICROSCOPE KITVIV-TELMIC-20 Refractor Telescope and Microscope SetVivitar 20x/30x/40x TELESCOPE & MICROSCOPE KIT Product Features Microscope: 300x/450x/600x magnification; comes with specimen collection vials, specimen slides, blank slides, slide covers, tweezers, built-in light. Telescope with Tripod: 20x/30x/40x magnification; built-in compass; objective diameter 30mm; focus length 400mm. Microscope uses 2 AA batteries – … Read More

Vivitar Viv-Tel-60700 168x/525x Refractor Telescope

The Vivitar TEL-50600 is a powerful telescope. It comes with a full size expandable tripod and it features multiple magnification options, slow motion control for precise adjustments and a mirrored diagonal eyepiece for the ultimate easy viewing. It’s a g Product Features Multiple magnification options 56x, 168x, 175x or 525x Slow motion control for precise adjustments Lightweight durable construction Full-sized … Read More

Vivitar 20-Piece Microscope and Telescope Combo Bundle

This is a great beginner level biological microscope with advanced features. The electric illuminator provides direct control of light. A mechanical stage is standard equipment with knobs controlling both axes for easy centering of specimen slides. This Vivitar microscope set is a 20 piece set which includes: A microscope with 3 Adjustable lenses and a Illuminator lamp, 3 plastic vials … Read More

Vivitar TEL50600 60X/120X Telescope Refractor with Tripod (Black)

The Vivitar TEL-50600 is a powerful telescope. It comes with a full size expandable tripod and it features 60x and 120x eyepiece lenses, a 3x finder to locate objects faster, and a mirrored diagonal eyepiece for the ultimate easy viewing. It’s a great telescope for beginners and has the power to please advanced users and amateur scientists. Product Features Vivitar … Read More

Vivitar Telescope with Tripod

Get a closer look with the Vivitar Refractor Telescope and Tripod. It makes a great companion at sporting events, under the night sky, or on a bird watching trek. Product Features Includes telescope and tripod Interchangeable 50X and 100X eyepiece lenses 3X finder scope to locate objects faster Lightweight and durable aluminum construction

Best-ever Ultraviolet Portrait of Andromeda Galaxy

This mosaic of M31 merges 330 individual images taken by the Ultraviolet/Optical Telescope aboard NASA’s Swift spacecraft. It is the highest-resolution image of the galaxy ever recorded in the ultraviolet. The image shows a region 200,000 light-years wide and 100,000 light-years high (100 arcminutes by 50 arcminutes). Credit: NASA/Swift/Stefan Immler (GSFC) and Erin Grand (UMCP) www.nasa.gov/mission_pages/swift/bursts/uv_andromeda.html full story —————— In … Read More

Lick Observatory – Original Telescope

"The Great Lick Refractor" Lick Observatory was built during the years 1880 to 1888. The 36-inch refractor was fabricated at the same time, and one dome was built specifically for this telescope. "36-inch" refers to the diameter of the refracting lenses, one of which is pictured at the right. When completed, the Lick Refractor was the largest refracting telescope in … Read More