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One high accuracy multi-range sensor measures four parameters (Conductivity, TDS, Salinity and Temperature). One high accuracy multi-range sensor measures four parameters…

This light meter can read any of Spectrum?s light sensors, which come with 6ft/2m cables. Just plug in a sensor,…

¿Cómo ves? La luz. Historia de las nebulosas

La luz es la materia prima de los astrónomos. Su trabajo consiste en atrapar toda la luz que se pueda,…

'Klima Logger' professional thermo-hygrometer with data logger

Para control de temperatura (0... +60 °C precisión ± 1 C) y humedad de 0 ... 99 % precisión ±…

"Academy" Microscope 1000x

Description Biological microscope with 360° revolving monocular head, focal lenght 160mm, supplied with 10x WF eyepiece and four achromatic objectives: 4x,…

#546 AC Adapter for ETX70 and DS2000

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#928 45-Degree Erect Image Prism (1.25")

Meade Model 928 Image Erecting Prism for Meade refracting telescopes #07217. 1.25" barrel. Produces a correctly oriented image and convenient…

0-2.5V DC Input Cable

Collect data on the output of various devices. Use these input cables to collect data on the output of various electrical…

034B-L Wind Set

El 034B, fabricado por Met One, combina un anemómetro de tres copas y una veleta en un único paquete integrado…

1 1/2" Diameter Compass with 40" Lanyard

Compass Diameter: 1-1/2” Liquid Filled Black Plastic Body 40” Lanyard Included 360° Markings Tranparent Center Great for Camping, Hiking, Fishing, Outdoor Activities etc …

1.25" Orion Basic Rack-and-Pinion Focuser

Precision focuser is ideal upgrade for a low-quality focuser or for home-built scopes Universal base made of durable plastic to fit…

1.25" Orion Luminance/IR Cutoff Astrophotography Filter

IR filter blocks ultraviolet (UV) and infrared (IR) light wavelengths for higher contrast CCD images Advanced coatings applied to the precision…

1.25" Orion Oxygen-III Nebula Eyepiece Filter

Orion's Oxygen-III (O-III) eyepiece filter reveals wondrous details when viewing cloudy nebulas Filter transmits close to 90% of the light corresponding…

1.25" Orion Variable Polarizing Filter

The Orion Variable Polarizing eyepiece filter acts like a dimmer switch for your telescope, to tone down brightness and accentuate…

1.25in. 2x Orion Shorty Barlow Lens

Doubles the power of any telescope eyepiece This Barlow lens is compact - just 3 inches long (about half the length…

10" LX200-ACF f/10 UHTC

The most widely used research telescope on earth now comes with the most advanced optical system in space. Meade′s all…

10x & 20x Dual Power Loupe

Dual Power Illuminated Jewelers Loupe: Power 10X & 20X Dia 20mm & 11mm 1 LED Per Lens Requires 3AG10 Batteries (Batteries are Included)…

10x21mm Jewelers Loupe in Plastic Case, Chrome Round Body

Improve your detailed viewing with this compact easy to use eye loupe optical tool that has powerful 10x magnification. Great…

15mm Orion Expanse Eyepiece

This 15mm eyepiece offers a wide field of view and superior optical performance at a bargain price Great eye relief so…

Adaptador básico para smartphone 1.25"

Este adaptador de smartphone conecta su teléfono a un telescopio, binocular, telescopio o microscopio, para que pueda capturar imágenes y…