| Specifications | 8" | 10" | 12" | 14" | 16" |
| Optical Design | Advanced Ritchey-Chrétien | Advanced Ritchey-Chrétien | Advanced Ritchey-Chrétien | Advanced Ritchey-Chrétien | Advanced Ritchey-Chrétien |
| Clear Aperture | 203mm (8") | 254mm (10") | 305mm (12") | 356mm(14") | 406.4mm (16") |
| Focal Length Focal Ratio | 2000mm f/10(8") | 2500mm f/10 (10") | 3048mm f/10 (12") | 3556mm f/10 (14") | 4064mm; f/10 |
| Maximum Practical Visual Power | 600X (8") | 650X (10") | 750X (12") | 850X (14") | 950X (16") |
| Telescope Mounting | heavy-duty fork type; double-tine | heavy-duty fork type; double-tine | heavy-duty fork type; double-tine | heavy-duty fork type; double-tine | heavy-duty fork type; double-tine |
| Primary Mirror Lock | included (progressive tension) All models |
| Zero Image-Shift Micro Focuser | included (4-speed) All models |
| Eyepiece | Series 5000 26mm 5-Element Plossl | Series 5000 26mm 5-Element Plossl | Series 5000 26mm 5-Element Plossl | Series 5000 26mm 5-Element Plossl | Series 5000 26mm 5-Element Plossl |
| Viewfinder | 8 x 50mm | 8 x 50mm | 8 x 50mm | 8 x 50mm | 8 x 50mm |
| GPS, True-level and North sensors | included (16-channel GPS receiver) All models |
| Pointing Precision, High Precision Mode | 1-arc min. All models |
| Autostar® II Hand Controller | included (147,541 object database) All models |
| Batteries (user-supplied) | 8 x C-cells | 8 x C-cells | 8 x C-cells | 8 x C-cells | none |
| Battery Life (approx.) | 20 hrs | 21 hrs | 20 hrs | 20 hrs | n/a |
| Slew Speeds: | RA and Dec: 0.01x to1.0x sidereal, variable in0.01x increments; 2x, 8x, 16x, 64x, 128x sidereal; 1°/sec. to 8°/sec., variable in 0.1° increments All models |
| Tracking Rates | sidereal, lunar, or custom-selected from 2000 incremental rates All models |
| Primary, Secondary Mirrors | Pyrex® glass | Pyrex® glass | Pyrex® glass grade-A, | Pyrex® glass grade-A, | Pyrex® glass grade-A, |
| Correcting Plate/Lens | water white glass | water white glass | water white glass | water white glass | water white glass |
| Total Net Telescope Weight | 73 lbs. | 90 lbs. | 125 lbs. | 166 lbs. | 318 lbs. (with Field Tripod) |
| Telescope Shipping Weight (approx.) | 94 lbs. | 122 lbs. | 50 lbs. | 225 lbs. | 360 lbs. |
| Field Tripod Height all models: | 30" to 44" variable | 30" to 44" variable | 30" to 44" variable | 40" to 50" variable | 40" to 50" variable |
| UHTC | Included | Included | Included | Included | Included |
| Price | $2,699 | $3,699 | $4,699 | $6,499 | $12,999 |