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- Wood OTA
1.16 arc sec
4.3" / 110 mm
24.4" / 620 mm
4.5 lb / 2.04 kg
All optics are manufactured in our plant located in Placentia, CA
Multiple lens element design
We use special lenses as the center element with matching outer elements for optimum viewing.
Coatings are applied specifically for each element to maximum light transmission.
Each element is centered to assure perfect collimation.
Fully baffled tube assembly to minimize any stray light and increase contrast.
We use a combination of Maple and Mahogany to complement the look of the scope.
The use of this wood gives you a beautiful instrument and has the following properties.
- 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.