BEST SELLERS

My What Thick Lenses You Have

Thick, but very desirable, like a nice fat slice of salami, these negative meniscus glass lenses are 55mm dia with a focal length of -169mm (think: reduction). Great for artists and crafters. Edges might have some slight chips, but that's surplus for you.

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NEGATIVE MENISCUS LENS

My What Thick Lenses You Have

Thick, but very desirable, like a nice fat slice of salami, these negative meniscus glass lenses are 55mm dia with a focal length of -169mm (think: reduction). Great for artists and crafters. Edges might have some slight chips, but that's surplus for you.

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$2.95 EACH

See It Again, Sam

A Sherlock Holmes-type magnifying glass is good, but this is better. It frees your hands and throws light on the subject! This 120-volt magnifying desk lamp has a white or black (our choice) heavy 7-3/8" x 5-1/2" x 2" base with a power switch, standard lamp cord, and 11" gooseneck ending in a 5-1/4" dia shade. Under the shade is a circular fluorescent bulb and a 3-3/8" dia lens with a flip-back cover. The box says the lens is 5X, we think it's closer to 2X. Either way, it's a major improvement if you need help to examine scientific specimens, to inspect stamps or jewelry, or just to read. And we won't even talk about how your nail care is going to improve after you see your cuticles under this thing!

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ILLUMINATED MAGNIFYING DESK LAMP

See It Again, Sam

A Sherlock Holmes-type magnifying glass is good, but this is better. It frees your hands and throws light on the subject! This 120-volt magnifying desk lamp has a white or black (our choice) heavy 7-3/8" x 5-1/2" x 2" base with a power switch, standard lamp cord, and 11" gooseneck ending in a 5-1/4" dia shade. Under the shade is a circular fluorescent bulb and a 3-3/8" dia lens with a flip-back cover. The box says the lens is 5X, we think it's closer to 2X. Either way, it's a major improvement if you need help to examine scientific specimens, to inspect stamps or jewelry, or just to read. And we won't even talk about how your nail care is going to improve after you see your cuticles under this thing!

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$22.95 EACH

Wing of Locust, Hair of Dog...

A recipe from the Elizabethan Cable Food Network? No, just a couple of samples from our collection of (48) specimens preserved for your classroom examination, with (4) well-labeled specimens on each of (12) standard-size slides. You get animal, plant, insect, textile, and pollen and spore specimens, including camel hair, camellia leaf, plant louse, fruit fly, fern spore, bee wing, nylon, wool, lily pollen, bamboo shoot, goldfish scale, and three dozen more, including our homonymic favorite, hare hair. Grades three and up.

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SLIDE SET

Wing of Locust, Hair of Dog...

A recipe from the Elizabethan Cable Food Network? No, just a couple of samples from our collection of (48) specimens preserved for your classroom examination, with (4) well-labeled specimens on each of (12) standard-size slides. You get animal, plant, insect, textile, and pollen and spore specimens, including camel hair, camellia leaf, plant louse, fruit fly, fern spore, bee wing, nylon, wool, lily pollen, bamboo shoot, goldfish scale, and three dozen more, including our homonymic favorite, hare hair. Grades three and up.

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$23.95 EACH

Academic Microscopy

From Levenhuk®, this Rainbow Plus student biological microscope has a 16X eyepiece; magnification of 64X, 160X and 640X; dual adjustable LED illuminators; adjustable iris; and coarse focus. Can be powered by (3) “ AA”s or the included adapter so you can do microscopic viewing in the field or at home. Includes the K50 experiment kit with specimens, forceps, slides, pipette, brine shrimp and more, along with an overview booklet and user’s manual. Metal body with glass optics. Has a lifetime warranty through the mfr.

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LED ILLUMINATED STUDENT MICROSCOPE

Academic Microscopy

From Levenhuk®, this Rainbow Plus student biological microscope has a 16X eyepiece; magnification of 64X, 160X and 640X; dual adjustable LED illuminators; adjustable iris; and coarse focus. Can be powered by (3) “ AA”s or the included adapter so you can do microscopic viewing in the field or at home. Includes the K50 experiment kit with specimens, forceps, slides, pipette, brine shrimp and more, along with an overview booklet and user’s manual. Metal body with glass optics. Has a lifetime warranty through the mfr.

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$69.95 EACH

Slide Show

Microscope glassware for examination of blood, pond water, mold, and other minutiae. All of the microscope slides are optically clear glass 26mm x 76mm (about 1" x 3"), between 1mm and 1.2mm thick. The well slides, of course, have a concave well to hold a drop of liquid. Our each is a package of (12) well slides, or a box of (72) standard slides with ground or beveled edges. Cover glasses are the smaller and very thin pieces of glass used as the top of the glass slide sandwich. They are often used temporarily by simply dropping them onto a drop of liquid to flatten and spread it and to minimize evaporation. More confident microscopists will cement them in place to permanently preserve a specimen. Our each is a package of (100) cover glasses 18 mm square, #1 thickness (0.13mm to 0.17mm). If you need one, you need both.

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GLASS MICROSCOPE WELL SLIDES

Slide Show

Microscope glassware for examination of blood, pond water, mold, and other minutiae. All of the microscope slides are optically clear glass 26mm x 76mm (about 1" x 3"), between 1mm and 1.2mm thick. The well slides, of course, have a concave well to hold a drop of liquid. Our each is a package of (12) well slides, or a box of (72) standard slides with ground or beveled edges. Cover glasses are the smaller and very thin pieces of glass used as the top of the glass slide sandwich. They are often used temporarily by simply dropping them onto a drop of liquid to flatten and spread it and to minimize evaporation. More confident microscopists will cement them in place to permanently preserve a specimen. Our each is a package of (100) cover glasses 18 mm square, #1 thickness (0.13mm to 0.17mm). If you need one, you need both.

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Meniscus Miscellany

Treat yourself to an assortment of our finest negative meniscus lenses in sizes between 14mm and 52mm with focus lengths between -29.7mm and -169mm. Negative meniscus lenses spread light instead of concentrating it, so they're sort of de-magnifying glasses. (Perfect for reading if your vision is too good.) You get (4) lenses in each of (5) sizes for (20) total.

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ASSORTED 14-52MM MENISCUS LENSES

Meniscus Miscellany

Treat yourself to an assortment of our finest negative meniscus lenses in sizes between 14mm and 52mm with focus lengths between -29.7mm and -169mm. Negative meniscus lenses spread light instead of concentrating it, so they're sort of de-magnifying glasses. (Perfect for reading if your vision is too good.) You get (4) lenses in each of (5) sizes for (20) total.

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$5.50 PKG (20)
$7.95
-31%

Beginners' Bio

Up close and personal. From My First Lab™, these prepared microscope slides are Biology 101 in a box. Fungus slides (“Fun Guys”) have bread mold, penicillum, lichens, mushroom and yeast samples. The guts group has human stomach, heart and blood, plus brain and kidney cells from a small mammal. For ages nine and up.

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GUTS SLIDES

Beginners' Bio

Up close and personal. From My First Lab™, these prepared microscope slides are Biology 101 in a box. Fungus slides (“Fun Guys”) have bread mold, penicillum, lichens, mushroom and yeast samples. The guts group has human stomach, heart and blood, plus brain and kidney cells from a small mammal. For ages nine and up.

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A Pyramid of Prisms

Polished glass equilateral prisms. Equilateral because each edge of the end is the same length, 32mm. Thus, as all you geometry students know, each of the angles is also the same, 60 degrees. These are school grade and are fine for decorative and demonstration. They do a nice job of refracting light to produce a nice rainbow-like spectrum, but are definitely not up to instrumentation standards. The missing dimension, length, is shown below.

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6" POLISHED GLASS EQUILATERAL PRISMS

A Pyramid of Prisms

Polished glass equilateral prisms. Equilateral because each edge of the end is the same length, 32mm. Thus, as all you geometry students know, each of the angles is also the same, 60 degrees. These are school grade and are fine for decorative and demonstration. They do a nice job of refracting light to produce a nice rainbow-like spectrum, but are definitely not up to instrumentation standards. The missing dimension, length, is shown below.

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Navigate The Stars

Best done with this computerized StarNavigator 90mm Maksutov-Cassegrain telescope from Meade® Instruments. Enjoy the stunningly sharp images while you let the telescope take you on a guided tour of 30,000+ celestial objects. Includes the AudioStar hand controller, which not only guides the scope but also tells you, through its built-in speaker, all about what you’re viewing. Features a 1250mm focal length (F13.8), 90mm (3.5”) aperture, single-speed internal focuser and an internal flip-mirror for celestrial/terrestial viewing or photography. Includes (2) Plossl eyepieces, 26mm (48x) and 9mm (139X), full-sized aluminum tripod, red-dot finder and vixen-style dovetail. Works on (8) “AA” batteries or external power source, not included. Additional shipping charges may be required.

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MEADE® 90MM COMPUTERIZED MAKSUTOV TELESCOPE

Navigate The Stars

Best done with this computerized StarNavigator 90mm Maksutov-Cassegrain telescope from Meade® Instruments. Enjoy the stunningly sharp images while you let the telescope take you on a guided tour of 30,000+ celestial objects. Includes the AudioStar hand controller, which not only guides the scope but also tells you, through its built-in speaker, all about what you’re viewing. Features a 1250mm focal length (F13.8), 90mm (3.5”) aperture, single-speed internal focuser and an internal flip-mirror for celestrial/terrestial viewing or photography. Includes (2) Plossl eyepieces, 26mm (48x) and 9mm (139X), full-sized aluminum tripod, red-dot finder and vixen-style dovetail. Works on (8) “AA” batteries or external power source, not included. Additional shipping charges may be required.

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$349.00 EACH

Put A Telescope On The Table

Our tabletop telescope from Celestron is an excellent choice for traveling or as a first telescope, which explains its “FirstScope” name. It’s a 76mm reflecting telescope with 20mm (15X) and 4mm (75X) 1.25” eyepieces and mounts for a finderscope. The mount/stand has a lazy-susan style swivel and a variable tension knob. The Accessory Kit includes 12.5mm (24X) and 6mm (50X) 1.25" eyepieces, a moon filter, a 5X24 finderscope, planetarium software ("THE SKYX") for Windows 7, XP, Vista, Mac 10.4.8 or later, a nylon carrying case for accessories.

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CELESTRON NATIONAL PARK FIRSTSCOPE 76

Put A Telescope On The Table

Our tabletop telescope from Celestron is an excellent choice for traveling or as a first telescope, which explains its “FirstScope” name. It’s a 76mm reflecting telescope with 20mm (15X) and 4mm (75X) 1.25” eyepieces and mounts for a finderscope. The mount/stand has a lazy-susan style swivel and a variable tension knob. The Accessory Kit includes 12.5mm (24X) and 6mm (50X) 1.25" eyepieces, a moon filter, a 5X24 finderscope, planetarium software ("THE SKYX") for Windows 7, XP, Vista, Mac 10.4.8 or later, a nylon carrying case for accessories.

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Web-Linked Astronomy

This 96pp, full-color, heavily illustrated book, "The Usborne Internet-Linked Book of Astronomy & Space," is written with a quick-link to the publisher's website, where there are updated links to internet sites that correspond to specific pages of the text. Sections include the solar system, stars, constellations, telescopes, photography and a plethora of astronomical facts and lists. From Usborne Publishing.

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ASTRO BOOK

Web-Linked Astronomy

This 96pp, full-color, heavily illustrated book, "The Usborne Internet-Linked Book of Astronomy & Space," is written with a quick-link to the publisher's website, where there are updated links to internet sites that correspond to specific pages of the text. Sections include the solar system, stars, constellations, telescopes, photography and a plethora of astronomical facts and lists. From Usborne Publishing.

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$14.99 EACH

Standing Magnificence

Frees up your hands while you examine whatever you’re examining. The approx 2-1/2" dia acrylic lens is 2X (ignore the surplussing 2.5X on box) and is mounted in a black fold-out frame with a pair of white LEDs underneath the lens for your examining pleasure. Measures 4-1/4” long and includes 2 replaceable AG7 batteries.

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STANDING LIGHTED MAGNIFIER

Standing Magnificence

Frees up your hands while you examine whatever you’re examining. The approx 2-1/2" dia acrylic lens is 2X (ignore the surplussing 2.5X on box) and is mounted in a black fold-out frame with a pair of white LEDs underneath the lens for your examining pleasure. Measures 4-1/4” long and includes 2 replaceable AG7 batteries.

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$3.75 EACH

The SkyMaster

From Celestron©, who rules the skies! These are our best-selling binoculars! The very nice pair of 15 X 70 binoculars have multi-coated optics to reduce refraction and a weather-resistant rubber housing, and are a relatively light 5.2 lbs. They come with a carrying case, chamois and neckstrap, plus a handle/adapter for a standard 1/4" - 20 mount for a tripod. A lifetime warranty is available from Celestron©

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SKYMASTER BINOCULARS ULTRA SHARP 15 x 70

The SkyMaster

From Celestron©, who rules the skies! These are our best-selling binoculars! The very nice pair of 15 X 70 binoculars have multi-coated optics to reduce refraction and a weather-resistant rubber housing, and are a relatively light 5.2 lbs. They come with a carrying case, chamois and neckstrap, plus a handle/adapter for a standard 1/4" - 20 mount for a tripod. A lifetime warranty is available from Celestron©

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$89.95 EACH

GROUND GLASS

One wiseacre assumed we meant any package leaving our shipping room that once had a glass object in it. That is a malicious rumor. . . Ground glass is thin plate glass, the surface of which has been physically ground or acid-etched to create a grainy, grayish, opaque surface. Use it to produce an image from a lens or lens system. Even a simple magnifier, held between the ground glass and, say, a window, will produce an image of the window scene on the ground glass. Ground glass has another magical property: it is opaque to any object viewed at a distance, but not if that object is in direct contact with the glass surface. A necessary element of your optical education. #2728 (square) is 2"sq x 1/32" thick. #2610 (rectangular) is 3-1/2" x 4-3/8" x 1/16" thick.

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GROUND GLASS 3-1/2" x 4-3/8"

GROUND GLASS

One wiseacre assumed we meant any package leaving our shipping room that once had a glass object in it. That is a malicious rumor. . . Ground glass is thin plate glass, the surface of which has been physically ground or acid-etched to create a grainy, grayish, opaque surface. Use it to produce an image from a lens or lens system. Even a simple magnifier, held between the ground glass and, say, a window, will produce an image of the window scene on the ground glass. Ground glass has another magical property: it is opaque to any object viewed at a distance, but not if that object is in direct contact with the glass surface. A necessary element of your optical education. #2728 (square) is 2"sq x 1/32" thick. #2610 (rectangular) is 3-1/2" x 4-3/8" x 1/16" thick.

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$3.50 PKG (3)

The Better Student Microscope

From Levenhuk®, this nice student microscope has an adjustable Barlow lens and objectives at 40, 100 and 400X. Has an adjustable iris and course focus. Comes  with a blow-molded storage case, (5) blank and (5) prepared slides; pipette; brine shrimp, yeast, sea salt and glue samples; forceps; a microtome; 58-page overview booklet; and 27-page manual. Has metal housing with glass optics, and a lifetime guarantee. Dual adjustable LED illuminator is powered by (3) included “AA” batteries or a 5VDC adapter.

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LEVENHUK® STUDENT MICROSCOPE SET

The Better Student Microscope

From Levenhuk®, this nice student microscope has an adjustable Barlow lens and objectives at 40, 100 and 400X. Has an adjustable iris and course focus. Comes  with a blow-molded storage case, (5) blank and (5) prepared slides; pipette; brine shrimp, yeast, sea salt and glue samples; forceps; a microtome; 58-page overview booklet; and 27-page manual. Has metal housing with glass optics, and a lifetime guarantee. Dual adjustable LED illuminator is powered by (3) included “AA” batteries or a 5VDC adapter.

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$79.95 EACH

Stands Up And Folds

This giant 5" dia magnifier stands alone, 10" above a base with a mm/inches plotting scale, like a giant linen tester, but folds nearly flat for easy storage or portability. The large lens is 2X with a 5/8" dia 2X bifocal inset (ignore the description on the box). Illuminated by a very bright white LED. for which you need to bring (3) "AAA" batteries to the party. White plastic and chromed metal.

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BIG MAGNIFIER

Stands Up And Folds

This giant 5" dia magnifier stands alone, 10" above a base with a mm/inches plotting scale, like a giant linen tester, but folds nearly flat for easy storage or portability. The large lens is 2X with a 5/8" dia 2X bifocal inset (ignore the description on the box). Illuminated by a very bright white LED. for which you need to bring (3) "AAA" batteries to the party. White plastic and chromed metal.

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$13.50 EACH

Magnify, Magnify, Magnify

You’re bound to be able to read through one of the lenses on this triple-lens hand-held magnifier. You pick. There’s a large, 5-1/4” acrylic lens at 1.5X with a 1” dia bifocal on the left at approx 2X and a doublet in the handle at approx 7X. (Ignore the surplus-inducing mis-marked lens powers; we tested ’em and the powers listed here are accurate.) Has (3) white LEDs under the main lens for your viewing pleasure and measures 10-3/4” long . The other is the same thing in a slightly smaller size, 8-3/4” long overall with a 3-3/8” x 1.5X main lens with a 1” dia bifocal on the left at approx 3X and a doublet in the handle at approx 7X. You add (3) “AAA” batteries for the LEDs.

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LARGE 3-WAY MAGNIFIER

Magnify, Magnify, Magnify

You’re bound to be able to read through one of the lenses on this triple-lens hand-held magnifier. You pick. There’s a large, 5-1/4” acrylic lens at 1.5X with a 1” dia bifocal on the left at approx 2X and a doublet in the handle at approx 7X. (Ignore the surplus-inducing mis-marked lens powers; we tested ’em and the powers listed here are accurate.) Has (3) white LEDs under the main lens for your viewing pleasure and measures 10-3/4” long . The other is the same thing in a slightly smaller size, 8-3/4” long overall with a 3-3/8” x 1.5X main lens with a 1” dia bifocal on the left at approx 3X and a doublet in the handle at approx 7X. You add (3) “AAA” batteries for the LEDs.

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The Smartphone In The Lab

Capture stars and amoebas on your smartphone with the Orion® SteadyPix™, which allows you to take phone pics through a telescope, binocular, spotting scope, and some microscopes. The rubber-coated clamp fits phones from 2-1/8” to 3-3/4” wide, and the twist-lock clamp fits devices with eyepieces between 1” and 1-3/4”. For best results, set the phone timer so you don’t have to touch it and cause vibrations.

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SMARTPHONE PHOTO CLAMP ADAPTER

The Smartphone In The Lab

Capture stars and amoebas on your smartphone with the Orion® SteadyPix™, which allows you to take phone pics through a telescope, binocular, spotting scope, and some microscopes. The rubber-coated clamp fits phones from 2-1/8” to 3-3/4” wide, and the twist-lock clamp fits devices with eyepieces between 1” and 1-3/4”. For best results, set the phone timer so you don’t have to touch it and cause vibrations.

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$24.50 EACH

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