Best Selling Products

The ultimate must-have guide for identifying migrant raptors, Hawks at a Distance is the first volume to focus on distant raptors as they are truly...

Magnification 30-60 x Objective Lens Diameter 85 mm Field of View 117-81 feet/1000 yards Close Focus 10.8 feet Weight 59.9 ounces Weat...

oakwall mounting, 120 x 36 x 195 mm, Ø 70/70 mm

Cette nouvelle édition du guide des Champignons Phillips contient la plus récente nomenclature. En effet, depuis la dernière édition de ce guide, p...

Kenn Kaufman & Eric Eaton paper 392 pages, 4 3/4 x 7 3/4 full-color enhanced photographs, maps February 2007 “The first truly thorough treatmen...

National Wildlife Federation’s new all-photographic field guide to North American insects, spiders, and related species, is the most up-to-date of ...

The most user-friendly butterfly guide ever published, still handy and compact, now updated with the very latest information - Follows the latest c...

Magnification: 10XObjective diameter: 42mmEye relief: 22mmExit pupil: 4.2mmField of view: 8.2 degreesMinimum focus distance: 1.7mWeight: 705g

Magnification: 10XObjective diameter: 42mmEye relief: 17mmExit pupil: 4.2mmField of view: 6.5 degreesMinimum focus distance: 1.7mWeight: 699g

Magnification: 8.5x Effective objective lens diameter (mm): 42 Exit pupil diameter (mm): 4.9 Exit pupil distance (eye relief) (mm): 20 Fiel...

Magnification: 10xEffective objective lens diameter (mm): 42 Exit pupil diameter (mm): 4.2 Exit pupil distance (eye relief) (mm): 20 Field of ...

Two interchangeable Plossl eyepieces give you magnifications of 26.9x and 72x. Mount’s slow-motion control cable allows for fine adjustments to te...

Diameter: 100mmFocal Length: 900mmF Ratio: F/9Mount Not IncludedDielectric Diagonal 90°, 2"25mm and 5mm Eyepieces IncludedCase Included

These multipurpose flashlights provide instant switch between the night vision protecting red light and regular white light. A convenient control w...

 2" 45 degree correct image prism diagonal, precision polished

Rabais liquidation 20%

This high quality frame is screwed on the back for a very effective semi-permanent closure. All the internal walls are white creating a maximum con...

This high quality frame is screwed on the back for a very effective semi-permanent closure. All the internal walls are white creating a maximum con...

Digestive System (cat)Connective Tissue (frog)Human Blood (sm)Nerve Tissue (pig)Hemopoetic System (pig)Vascular System (dog)Human Cheek CellsEpithe...

CX Series cordless Microscope The Perfect Microscopes for young Scientists from Grades 6 to 12! A precision built, tamper-proof microscope that is ...

Weight: 20 OzLenght: 27.6 cmWidth: 15.9 cmA one piece solid steel construction rock hammer with a rubber grip handle

made of glass, after the idea of Galileo Galilei, 4 balls, multi-colour, with silver-coloured tagsRange: T: +18...+24°C / 2° graduationtable standi...

housing with chrome ringwall mounting, Ø 136 x 43mm

Extension Clamp Constructed of cast aluminum. The jaws open to a maximum capacity of 3". Overall length 9.5". (1Ib).

DISTILLING APPARATUS STUDENT Distilling Apparatus No two liquids have exactly the same boiling point. Therefore, it is possible to separate any mix...

Filtering flasks made from borosilicate glass.