The Baader U-filter is a special filter that enables amateurs to capture atmospheric phenomena on Venus. Thanks to advanced coatings, the filter transmits wavelengths in the 300-400 nm range, while blocking wavelengths between 200-1500 nm outside this range. (Imaging in the deep UV wavelength range has generally not been available to amateurs until now.) The filter is intended for observation with astro cameras only, as the human eye is insensitive to UV rays. For successful use, a camera sensitive to the UV range and a telescope with a minimum aperture of 13 cm (20 cm when using a webcam) are required.
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Astronomy
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- Astronomical telescope
- Telescope mounts
- Eyepiece
- Astrocamera
- Filter
- Filter wheel, filter drawer
- Focal reducer, corrector
- Accessory for astrophotography
- Finderscopes
- Adapter
- Barlow lens
- Solar telescope
- Diagonal Mirrors and Prisms
- Focuser
- Binoviewer
- Power supply
- Telescope mount motor drives
- Mount accessory
- Collimation
- Accessories for ZWO Seestar smart telescope
- Astronomical literature
- Storage
- Dew remover
- Miscellaneous
Nature observation
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- Binoculars
- Monoculars
- Spotting scopes
- Spotting scope eyepieces
- Photo tripod
- Spotting scope cases
- Accessories for nature observation
Outdoor
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- Flashlight
- Laser rangefinder
- Accessory for flashlight
- Battery
- Battery charger
Hunting
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- Thermal imaging device
- Thermal imaging rifflescope
- Nightvision rifflescope
- Hunting camera
- Hunting camera accessories
- Thermal camera and night vision accessories
Microscopy
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- Microscope for children
- Biological microscope
- Stereo microscopes
- Digital microscopes
- Microscope camera
- Prepared slides
- Microscope eyepiece
- Microscope objective
- Microscope optical accessory
- Microscope accessory
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