Optec NextGEN MAXfield 0.33X Telecompressor Lens
Price as Configured: $350.00
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Designed specially for the classic Meade and Celestron SCTs, the NGM yields an incredible f/3.3 effective focal ratio (EFL) on native f/10 systems. When used with an f/11 classic C-14, the NGM will yield an EFL of f/3.7. Results may vary slightly depending upon the imaging train configuration. Best results will be obtained when used with a Temperature Compensating Focuser .
The second generation NGM 0.33X MAXfield telecompressor is especially well-suited for most C-mount cameras including the Mallincam Video CCD cameras.
The optical design of the NextGEN 0.33X was performed using Zemax and optimized for four field points using wavelengths of 450, 550 and 650 nm. The goal was for the smallest blur diameters for the four field points. The system was modeled using the actual optical prescription for a SCT with the inherit aberrations of this telescope. The resulting lens curvatures of this designed were made without adjusting the radii to the optical lab's tool list. Custom tools were made for all surfaces.
Telescope-Side Compatibility:
- TCF-S focuser,
- Any 2-inch focuser or receiver.
Camera-Side Compatibility:
- NextGEN Camera-specific mount.
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