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The SVBONY SV503 102F7 ED is a doublet refractor built around an S-FPL51 extra-low dispersion objective that virtually eliminates chromatic aberrat...

The SVBONY SV503 80ED F7 is a doublet refractor built around an S-FPL51 extra-low dispersion objective that virtually eliminates chromatic aberrati...

The SVBONY SV503 70F6 ED is a doublet refractor built around an S-FPL51 extra-low dispersion objective that virtually eliminates chromatic aberrati...

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 / ...

Led strips with ultraviolet light : the chips on the tape are original UV diodes, not the commonly-sold classical chips covered by UV luminescenc...

Pure Cellulose-glue, watersoluble. Great for herbariums, or mounting insects. , Dries in 15 minutes.

For use with any type of seed. 2-pound seed capacity.

The Perky-Pet Mason Jar Wild Bird Waterer offers fresh, clean water to attract a larger variety of birds while adding a rustic look to any bird lov...

Capacity 8oz

Capacity 32 oz

Blue glass vintage bottle with embossed starburst accents Wide mouth for easy filling and cleaning 4 flower feeding ports 16 oz nectar capacity

Uv stabilized polycarbonate feeder tube keeps the seed level visible at all times Internal seed baffle directs seed to an additional seed port loc...

Twist-lock lid prevents squirrels from opening the feeder and eating seed Wire barrier keeps squirrels at a distance from the feeding ports 8 feed...

55 cm human torso model giving students a hands-on experience examining the body's major systems. The male and female reproductive organs are inter...

Life-size human heart mounted on a base, for anatomical study or patient education. The heart lifts off its stand and separates into 2 parts; the a...

The smc PENTAX XW (85°) eyepieces bring an immersive, ultra-wide 85° apparent field of view to your telescope or Pentax spotting scope. Built with ...

The smc PENTAX XF (60°) eyepieces are unifocal oculars developed for Pentax PF-series spotting scopes (and compatible 1.25 inch telescopes), pairin...

Lance-toi dans une mission spatiale incroyable comme un véritable astronaute ! Le jeu contient une brique de plâtre à creuser à l’intérieur de laq...

Sharpen your planetary and lunar views with the SVBONY 1.25" Atmospheric Dispersion Corrector (ADC). When a planet sits low on the horizon, the atm...

One eyepiece, a full range of magnifications. The SVBONY 7.2-21.6 mm zoom lets you frame and study targets without swapping eyepieces, making it id...

Take in sweeping, immersive views of nebulae, star clusters and other deep-sky objects with the SVBONY 34mm 72° ultra-wide-angle eyepiece. Computer...