Parallax also offers Classical Cassegrain and Dall-Kirkham Cassegrain telescopes in 10", 12.5", 14.5", and 16" apertures. The Classical Cassegrain offers a very long focal length in a relatively compact tube. Includes 2" Feather Touch or 2.7" AP Focuser (Specify), 8X50 finder, standard tube rings, tube weight counterbar assembly and slewing handles.
All optical tubes are finished in high gloss acrylic urethane paint and are furnished with metal snap-lock dust cover and 2" and 1 1/4" focuser adapters. Diagonals or eyepieces are not included. Interferometric test report and fringe analysis data is included with each telescope.
Clear Aperture | 368mm |
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Focal Ratio | F/20 | |||
Focal Length | 7360mm |
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Primary Mirror | PYREX - LIGHTWEIGHT CONICAL PRIMARY By R. F. Royce Optical | |||
Central Obstruct. | ~ 25% by Diameter | |||
Telescope Tube | Aluminum | |||
Primary Focal Ratio | F/4 | |||
Secondary Amplification | 5X | |||
Spacing (Approx.) | 45.3" |
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Mirror Coatings | AlSiO | |||
Optical Tube Dia. | 16.5" |
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Optical Tube Length | 56" |
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Optical Tube Weight | 85 lbs. |
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Focuser | 2" Feather Touch or 2.7" AP (Specify) | |||
Finderscope | 7X50 | |||
Tube Rings | Standard | |||
Recommended Mount | HD200C |
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Slewing Handles(2) | Standard | |||
Tube C'wt. Bar Assy. | Standard |
All optical tubes are finished in high gloss acrylic urethane paint and are furnished with metal snap-lock dust cover and 2" and 1 1/4" focuser adapters. Diagonals or eyepieces are not included. Interferometric test report and fringe analysis data is included with each telescope.
Name | Parallax - PI370DK, 14.5 " F/20 Dall-Kirkham Cassegrain Telescope |
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Manufacturer | Parallax Instruments |
Model | PI370DK |
Telescope Aperture | 14.1" - 16" |
Aperture | 368mm |
Focal Length | 7360mm |
Focal Ratio | F/20 |
Optical Tube Length | 16.5" diameter - 56" length |
Optical Tube Weight | 85 lbs. |