12'' f/8 ACF Optic with tube with UHTC Advanced Coma Free Optics with UHTC Building on Meades award-winning Advanced Coma-Free (ACF) optics, the 12" OTA employs a fast f/8 optical system with high-contrast baffling that insures crisp, pinpoint imaging to the very edge of the field. Features an internal zero image shift Crayford-style focusing system with a two-speed 7:1 reduction control that provides smooth, precise focusing at any magnification. Also features Meade's Ultra-High Transmission Coatings (UHTC) for maximum brightness and contrast, an oversized low-expansion primary mirror for extra aperture and to prevent thermal expansion of the mirror, and diffraction-limited optics.
Includes precision machined Losmandy-style dovetail rail mated to the tube with wide-stance radius blocks for rock-steady mounting, and front and rear dust covers.
Delivery contents- 12" Optical tube assembly
- Adjustable Dovetail
- Dust covers
Products specifications
Tube material | Aluminium |
Resolution | 0.38" |
Limit value | 14.2 mag |
Max. useful visual power | 600 x |
Type of telescope | Schmidt Cassegrain |
Color | blue / black |
Mirror material | Pyrex |
Secondary material | Pyrex |
Coating | UHTC |
Connection to eyepiece | SC Thread, 2" |
Aperture | 305 mm |
Focal ratio | f/8 |
Tube weight | 41.8 lb |
Focuser | Internal Crayford-style, zero image-shift, dual speed 7:1 focuser |
Focal length | 2438 mm |