Perfection in Precision Mechanics & Optics
Manufacturer of high-quality accessories for astronomical instruments – trusted by over 10,000 customers worldwide.
"Small things make perfection, but perfection is no small thing."
Products
Our Product Categories
Find exactly the right accessories for your setup.
Astronomik
Visual filters, narrowband filters, colour filters, clip-filters and solutions against light pollution.
Astrophotography Accessories
CTU Camera Tilting Unit, Bahtinov Masks and Aurora Flatfield Panels for perfect images.
Filter Accessories
Filter drawer systems and various accessories for your filter setup.
Adapters
Precision adapters from our own design and German manufacturing – perfectly fitting all common telescope systems.
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Ronchi Eyepieces
Ronchi eyepieces for quick and reliable optics testing directly at the telescope.
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Elephant Tripod
Heavy-duty tripod for mounts up to 300 kg – extremely stable and vibration-free.
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Imperial Screws
High-quality screws, nuts and thread adapters for secure attachment of cameras and accessories.
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Optical Cleaning
Professional cleaning products and care supplies for sensitive optical surfaces.
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Bearing Material: Teflon
PTFE bearing material for silky-smooth tracking – ideal for Dobsonian mounts and turntables.
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Optical Paint
Deep black optical paint for effective stray light suppression in tubes and baffles.
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Tools
Taps, dies and special tools for precision mechanical work.
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Packaging
Twist packs, aluminum cases and protective covers for safe transport of sensitive optics.
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Useful Accessories
Practical helpers and small parts that make everyday astronomy easier.
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Services & Support
Custom solutions crafted by experts – precise, reliable, and tailored to your needs.
Custom Adapters & Parts
Custom manufacturing of precision adapters and components to your specifications.
Canon EOS Modification Service
Professional modification of Canon EOS cameras for astrophotography.
Spectral Measurement
Precise spectral measurement of your astronomical filters.
Anodizing Service
High-quality anodizing for durable and protective surface finishes.
Testimonials
What Customers Say
"The CTU blew me away! About 1 turn of the right knob and the stars were round. This thing is fantastic!"
"I am absolutely thrilled with both CTUs. Brilliantly simple and effective. Both image fields are now perfectly flat. It doesn't get any better than this!"
Have Questions?
We are happy to provide personal advice on our products and services.