Displaying 41 to 50 (of 50 products)
Plants use the Red/Far Red light ratio to determine how crowded they are, and grow tall or full accordingly. Previously,…
Quantum sensors measure light energy at the specific wavelengths plants actually use for photosynthesis. Research indicates that older lux and…
This light meter can read any of Spectrum?s light sensors, which come with 6ft/2m cables. Just plug in a sensor,…
A must-have for safely observing the sun without damaging your eyesOptical glass filter fits snugly over your telescope's aperture to…
Size 7" x 11", Power 2X, Bulk…
SPECIFICATION: R.A. / DEC. AXIS
All machined aluminum and stainless steel, black anodized.
All stainless steel hardware.
One 3.750' diameter needle thrust bearing.
One…
SPECIFICATION: R.A. / DEC. AXIS
All machined aluminum and stainless steel, black anodized.
All stainless steel hardware.
One 3.750' diameter needle thrust bearing.
One…
It's Like Exploring a Whole 'Nother Night Sky
It's the same night sky, all right. But with our jumbo Explorer binoculars,…
Par de anillos 125mm para tubo Guia.
El Par de anillos para tubo guia tiene un diametro interior de 125mm.
Estos anillos…
Displaying 41 to 50 (of 50 products)