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Découvrez l'univers fascinant du papillon monarque, un véritable ambassadeur . A travers des observations minutieuses, des anecdotes enrichissantes...

  La nouvelle édition actualisée de ce guide d'astronomie présente, sous une forme visuelle et synthétique, tout ce qu'il faut savoir pour choisir ...

Dragonflies are large and beautiful insects, diverse in color and pattern. This premier field guide provides all the information you need to identi...

  UN BEAU LIVRE SUR LES OISEAUX MARINS PRÉSENTATION D'OISEAUX  MARINS DU MONDE ENTIER : MORPHOLOGIE, PHYSOLOGIE ET COMPORTEMENT.

 Discover Marko and his 20 amazing functions: walking, sound and music, dancing... Program the robot using the infrared remote and discover 10 game...

12" f/5, 1520mm Focal length with a 2" speed crayford style focuser, 30mm and 9mm plossl eyepieces, 50mm RA finder scope.  Rear mounted cooling fan...

 Diameter: 102mmFocal Length: 1300mmF Ratio: F/12.7Mount Not Included Included accessories: two 1.25-inch eyepieces, red dot finder, 1.25-inch diag...

PRICE SUBJET TO CHANGE, PLEASE CONTACT USMagnification: 15XObjective diameter: 70mmAngular field of view: 4.4°Exit pupil: 4,6mmEye relief: 17mmClos...

In the world of binoculars, the KITE PETREL stands as a symbol of endurance. This model outperforms its competitors, even those with significantly ...

Introducing the astonishing APC 50 Image-Stabilized Binoculars. Experience KITE OPTICS’ KT3.0 image stabilization technology through our most power...

Hone your child's interest in science, engineering, technology and ecology with the 14 in 1 Educational Solar Robot. This STEM set is perfect for ...

Une boîte de chimie complète pour réaliser plus de 170 expériences de chimie sans danger avec des produits courants. Grâce au livret d'instruction...

L’espace n’a jamais été aussi surprenant ! Une navette spatiale pour s’envoler vers d’incroyables aventures comme un véritable cosmonaute ! Sous l...

Un modèle futuriste de rover de transport de la NASA pour partir à l'exploration de Mars. Un modèle motorisé doté d’un mini rover d’exploration. À...

Dawn and dusk are often the most important times on a hunt. Simmons Venture Spotting Scopes bring sharp, bright images, especially at those critica...

R5 Binoculars offer enhanced clarity with fully multi-coated optics and advanced prism coatings, ensuring vivid, sharp views in low-light condition...

R5 Binoculars offer enhanced clarity with fully multi-coated optics and advanced prism coatings, ensuring vivid, sharp views in low-light condition...

Magnification 20-60x Objective Lens Diameter 80 mm Linear Field of View 105' - 53' Angular Field of View 2.0° - 1.0° Eye Relief 18.0mm ...

Magnification 20-60x Objective Lens Diameter 80 mm Linear Field of View 105' - 53' Angular Field of View 2.0° - 1.0° Eye Relief 18.0mm ...

The full colour weather station can monitor any room in your home. An outdoor sensor allows you to monitor temperature and humidity in your yard, o...

Going hunting at night is a special challenge, as your vital sense of sight is severely impaired and the risk of not being successful or even makin...

You can discover the art of rock polishing with this 3 pound capacity rubber barrel tumbler. This is a complete kit with electric motor enclosed in...

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...

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

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 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...

Product Name SVBONY SV503 102F7 ED Astronomy Telescope Type Refractor ED Glass S-FPL51 Coating SMC Aperture 102mm / 4.01-Inch Focal le...

Diameter: 80mm Ratio F : f/7 Focal: 560mm Doublet APO Comes with the bag and the handle

Diameter: 70mm Ratio F : f/6 Focal: 420mm Doublet APO Comes with the bag and the handle (bundle)

Accurate, reliable weather monitoring with real-time data updates every 2.5 seconds. Industry-leading transmission range of 1,000’/300 m from the ...

Magnification 8 to 16x Objective Lens Diameter 21 mm Angle of View 8x: 5° (Actual)16x: 3° (Actual) Field of View 16x: 157.5' @ 1000 yd / ...

Range: 18 to 26 °C Dimensions: 32 x 280mm Weight: 360g  

Magnification 8x Objective Diameter 42mm Angular Field of View (Real) 6.4° Angular Field of View (Apparent) 48.2° FOV at ...