Don't let its small price and size fool you. The WatchDog 100 Series Button Loggers are water resistant, exceptionally affordable…
Place this modified Watermark sensor in the root zone of crop or turf. Reads moisture from 0(saturated) to 200(dry) centibars.…
Place this modified Watermark sensor in the root zone of crop or turf. Reads moisture from 0(saturated) to 200(dry) centibars.…
The key is knowing both when and how much to water! Maintaining a healthy water balance is essential for producing…
The key is knowing both when and how much to water! Maintaining a healthy water balance is essential for producing…
Three cosine corrected Quantum sensors (spaced 4.6in/11.7cm) average their readings to minimize the effects of small shadows such as below…
This 9mm eyepiece offers a wide field of view and superior optical performance at a bargain price Great eye relief so…
Finally, an easy-to-use, affordable autoguider for long-exposure astrophotography Uses a 1/2" format 1.3MP CMOS chip, with 5.2 x 5.2 micron pixels…
Adjustable heavy-duty field tripod provides stable support for spotting scopes, giant binoculars, cameras, and telescopes Adjustable aluminum-tube legs with lever locks…
Series 4000 Eyepieces: Serious telescope users own generally 4 to 6 eyepieces, for higher and lower magnifications, and for wide-angle…
Classic entry-level scope at an amazing price Crisp images from the craters of the moon to the edge of the galaxy Big-aperture…