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Binocular 360º rotating inclined at 45º Interpupillary adjustment of 54mm to 76mm Diopter adjustment of +/- 6 on both ocular tubes Paired 10X wide...

While a pencil works great on our All-Weather products, sometimes you just need a pen. These 5 3/8 in long All-Weather pens write on wet paper and ...

Perfect as an introduction to tumbling. This kit includes a model 3a tumbler, a LORTONE 4-Step Polish kit, plastic pellets, and instruction booklet.

This hand tally is ideal for various lab applications including taking surveys, counting total drops of liquid and blood samples, and performing la...

Heated 20 in. EZ Deck Tilt & Clean with mount: 150 Watts. 3 year warranty

This microscope allows you to view an object from two different angles - top and bottom.  Small objects such as grass, leaves and insects can be pl...

Notre classique pour les débutants sérieux. Caractéristiques : disque horaire ; disque calendrier ; graduation de l'ascension droite et règle gradu...

Magnification: 8x Objective Lens Diameter: 25mm (.98") Angular Field of View: 8.2° Linear Field of View (@1000 yds) / @1000 m): 432.3 ft (...

These notebooks are made with a Polydura cover and wire-o binding. The Field and Journal patterns are available with numbered pages. 64 pages (32 s...

Bottle Material: High Density Polyethylene(HDPE)

Cylinder & Bottle Brush, Black Bristle 51mm d.x152mml.x430mm tl.

Magnification 6.5 x Objective Lens Diameter 32 mm Eye Relief 18.7 mm Linear Field of View 400 feet/1000 yards Angular Field of View 7.6 ...

Increased 75 lb load capacity. Exceptional load capacity to weight ratio Additional Aux accessory ports and autoguider port on the Dec axis for be...

Increased load capacity to 55 lb Heavy Duty belt-drive system minimizes backlash while providing smooth motor operation under heavy loads Spring-l...

The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an im...

German Equatorial mount and tripod as supplied with all Omni XLT Series telescopes Includes RA and DEC slow motion controls and setting circles Tri...

This gift certificate can only be used in store. If you want to buy a gift certificate that can be used online, please choose the virtual version

Since its introduction in 2014, the Star Adventurer has been at the forefront of the lightweight, portable astroimaging revolution. And now, with ...

Monocular , rotates 360° 40X, 100X, 400X, Slip-clutch prevents damage to focus mechanism, while rack stop prevents damage to objectives and spe...

Stylus is made of tungsten steel The other end is a strong magnet

Il y a tant de plantes sauvages agréables à regarder, à sentir et à toucher au Québec.Ce livre te permettra d'en identifier 50 qui poussent en forê...

Identifier un arbre, le reconnaître par le nom propre à son espèce, voilà un vrai travail de détective! C'est une enquête minutieuse où chaque indi...

Objective Lens Effective Diameter: 25mm Magnification: 8x Relative Brightness: 9.6 Twilight Factor: 14.1 Eye Relief: 16.0mm Real Field...

A heavy-duty alt-azimuth mount for use with binoculars, spotting scopes or telescopes Adjustable aluminum legs provide a minimum height of 32” and...

Magnification 27 – 60 x Objective Lens Diameter 85 mm Linear Field of View 117 – 68 feet/1000 yards Angular Field of View 2.2 – 1.3 degree...

New ED doublet apochromatic optical design New lightweight, compact design perfect for wide field astrophotography New optical design featuring ou...

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 72mm aperture, 420mm focal length, f/5.8 focal ...

Of the more than 49,000 species of spider worldwide, some 4,000 are in North America. Spiders of North America explores more than 500 of the most c...

This is the first comprehensive field guide to the flower flies (also known as hover flies) of northeastern North America. Flower flies are, along ...

This amazing field guide enables you to identify all 783 families of insects currently recognized in the United States and Canada. Richly illustrat...

Model SV48P Optical Design Refractor Aperture 90mm Optic Coated FMC Objective Lens Doublet air-spaced achromatic design Focal Length 5...

Brand SVBONY Model SV550 Aperture 80mm Focal Length 480mm Focal Ratio f/6 ED Glass​ FPL51​ Telescope Type Refractor Resolution 1.4...