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Super Apochromat Refractor
optimized for color free viewing
extended wavelength design using ED materials.
Precision Applied Products F-7 Apochromatic OTA
Limited Quantity On Scopes We Build
To keep our quality high and make sure we delivery on time we only manufacture limited quantities of Apochromat Optical Tube Assemblies.
On any scope you can order either a polished brass or maple hardwood focuser backing plate
All scopes come with optical coatings applied on every element optimized for each glass type to maximize transmission and contrast.
100mm F-7 Apochromatic OTA
120mm F-7 Apochromatic OTA
140mm F-7 Apochromatic OTA
- Virtually Color Free Viewing
- Baffles Computer Stray Light Optimized
- All Lenses Anti-Reflection Coated For Maximum Transmission
- Fast Delivery 5 to 7 months
- Excellent Prices
Apochromatic Refractors We Build
Color free refractor objectives from small to large for over 35 years
Polishing a block of windows
Built for you
Centering your lens
Precision Applied Products 140 mm F-6
Apochromatic tube assembly. Made entirely in our shop with meticulous details. Our main focus is on how well we center the lenses compared to the mechanical axis. This is done to assure perfect collimation. The lenses are centered to within 2 microns of each other and the cell.