Products

Power 20x-60x Objective Diameter 80mm Objective Material Extra-Low Dispersion Glass Focal Length 430mm Objective Lens structure 3-Elemen...

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

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

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

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

The BTX combines the visual power of both eyes with a revolutionary viewing experience. Crucial subtleties can be seen with the crystal clear optic...

Magnification: 7x Effective objective lens diameter (mm):   21 Exit pupil diameter (mm) : 3 Exit pupil distance (mm) : 16 Field of view (m/1,000 m ...

Format ideal for injecting liquids to most formats of insects.

T-ring for digiscopy, choose de camera brand your are using; Canon, Nikon or Pentax.

The Telrad is a one power (1X) sight that was originally designed for installation onto astronomical telescopes as an aid to locating deep sky wond...

These Riser Bases will position the Telrad Reflex Sight to a higher position off the telescope tube assembly to clear obstructions on the tube asse...

Extra plate for your TELRAD. Very useful for using on a second telescope without having to buy an extra finder!

Magnification 10 xObjective Lens Diameter 42 mmField of View 330 feet/1000 yardsEye Relief 16 mmClose Focus 5.25 feetWeight 25.4 ouncesDimensions (...

Magnification 8 x Objective Lens Diameter 42 mm Field of View 375 feet/1000 yards Eye Relief 18 mm Close Focus 5.25 feet Weight 25.4 ...

Test Tube Brushes Bristle

Wooden - 13 tube, 2 tier, 7x20mm, 6x26mm

A revolution in birding and field guides"Really cool and totally different. . . . Crossley gives us birds as we see them, in action. . . . We've be...

A revolutionary, comprehensive, and authoritative photographic guide to North America's raptors   Part of the revolutionary Crossley ID Guide serie...

The Unique Cardinal Feeder is one of a kind, designed to allow the cardinal to feed from it while blocking access to larger and smaller birds. Its ...

Warblers are among the most challenging birds to identify. They exhibit an array of seasonal plumages and have distinctive yet oft-confused calls a...

beechwall mounting, Ø 121 x 41mm

with coloured comfort zones for a healthy room climate, case with chromed brass ringwall mounting, Ø 71 x 23 mm

Polished aluminum clamp which will rotate and lock into any position.

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...

Thyme oil, an effective replacement of naphthalene to keep your collection away from the damage caused by the invaders. The oil thyme can be placed...

Dimensions: 4'' X 6.25''

Mathieu Hébert et Geneviève Lavoie, de l'Ecole de survie Les primitifs, t'aident à reconnaître les traces et les signes laissés par les animaux du ...

Ce guide étonnant réunit des textes concis, des dessins au trait détaillés, des cartes et plus de 1000 photos couleur pour illustrer et décrire les...

Max Height - 63.4 in Folded Height - 24.5 in Max Load - 6.6 lbs Weight - 4 lbs Material - Aluminum Quick Release - Arca Type

Aspects' ingenious, patented design protects all Aspects 2-3/4 to 3-1/4 tubes from rain and snow. The Tube Top simply slips over the bail wire and ...