Energy protection filters are long-pass filters that block short-wave light. A coating blocks IR. This means that the filters of an H-alpha telescope are only exposed to red light.
Diameter (mm): 350
Thickness (mm): 20mm
Surface shape: L/4
Centre wavelength (nm): 656.28
Bandwidth (nm): 60
Peak transmittance (%): 95%
Cut-off range (nm): 200nm-1100nm
7999.00 €
Estimated delivery time : 1 week (valid for new orders)
The Artesky fork mount has a load capacity of up to 15 kg and weighs only 3.65 kg itself. It is designed for transporting large binoculars or telescopes that can be quickly and easily mounted on a tripod.
699.00 €
Estimated delivery time : 1-4 days (valid for new orders)
With this focuser you can easily replace your old model and upgrade to the new 2" R&P version with 8 bearings. The focuser can be loaded with up to 5 kg.
With this focuser you can easily replace your old model and upgrade to the new 2" R&P version with 8 bearings. The focuser can be loaded with up to 5 kg.
The Artesky 650nm laser collimator is crafted from brushed aluminum with a precisely calculated diameter of 2" (50.8mm), fitting perfectly into your focuser! The projected laser beam, certified with a wavelength of 650nm, is very thin and well-defined so you can perform collimation both at night and during the day.
449.00 €
Estimated delivery time : 1 week (valid for new orders)