Sky-Watcher Quattro 250P Imaging Newtonian 10" (254 mm)
$ 1,180.00 - Sold Out
Sky-Watcher Quattro 250P Imaging Newtonian 10" (254 mm)
Sky-Watcher SKU: S11220 | Helix SKU: CTS11220
| SKU | S11220 |
| UPC | 050234112208 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| True Aperture (mm) | 257 |
| Primary Aperture (mm) | 254 |
| F/Ratio | 4 |
| Focal Length (mm) | 1000 |
| Secondary Diameter | 89mm |
| Secondary Obstruction (by diameter) | 35% |
| Secondary Obstruction by Area | 12% |
| Observational Info | |
| Dawes Limit | 0.46 |
| Rayleigh Limit | 0.55 |
| Limiting Mag. | 14.5 |
| Minimum Magnification | 36 |
| Maximum Magnification | 500 |
| Light Gathering (compared to next size down) | 57% |
| General Info | |
| Focuser | 2" Dual Speed Crayford |
| OTA Length (Retract/Ext.) | 36.5" |
| OTA Outer Diameter | 11.375" |
| OTA Weight (with accessories) | 36.5 |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Mounting Accessories | Rings/V-Rail |
| Included Eyepieces | None |
| Included Case | No |
| Corrector | No (optional) |
Sky-Watcher Quattro 300P Imaging Newtonian 12" (305 mm)
$ 1,815.00 - Sold Out
Sky-Watcher Quattro 300P Imaging Newtonian 12" (305 mm)
Sky-Watcher SKU: S11230 | Helix SKU: CTS11230
Specifications:
| SKU | S11230 |
| UPC | 050234112307 |
| Optical Info | |
|---|---|
| Optical Design | Newtonian |
| Mirror Coatings | 94% Aluminum |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 305 |
| Primary Edge Thickness | 38mm |
| F/Ratio | 4 |
| Focal Length (mm) | 1200 |
| Secondary Diameter | 102mm |
| Secondary Obstruction (by diameter) | 33% |
| Secondary Obstruction by Area | 11% |
| Observational Info | |
| Dawes Limit | 0.38 |
| Rayleigh Limit | 0.46 |
| Limiting Mag. | 14.9 |
| Minimum Magnification | 43 |
| Maximum Magnification | 600 |
| Light Gathering (compared to next size down) | 44% |
| General Info | |
| Focuser | 2" Dual Speed Crayford |
| OTA Length (Retract/Ext.) | 42.5" |
| OTA Outer Diameter | 14.25" |
| OTA Weight (with accessories) | 57 |
| Accessories | |
| Included Finder | 9x50 Finder |
| Included Diagonal | No |
| Mounting Accessories | Rings/D-Rail |
| Included Eyepieces | None |
| Included Case | No |
| Corrector | No (optional) |
Smith Victor 12'' Thrifty 12" Thrifty reflector & cordset (402622)
$ 129.95
Smith Victor 12'' Thrifty 12" Thrifty reflector & cordset (402622)
12 inch hand-spun aluminum reflector with punch-out for umbrella, chemically-etched interior and baked-on photographic gloss black enamel exterior. Use with Thrifty Cordsets and 100UL.
Specifications:
| Packaging Info | |
|---|---|
| Package Weight | 1.95 lb |
| Box Dimensions (LxWxH) | 13.4 x 13.3 x 10.7" |
Smith Victor CH42K CH42 w/ RS8 stand & PGRMA-1 mounting arm (670144)
$ 39.95
Smith Victor CH42K CH42 w/ RS8 stand & PGRMA-1 mounting arm (670144)
| CH42 WITH RS8 STAND AND MOUNTING ARM |
|
Snoot Set 8050D
$ 89.95
Set of 2 snoots for 8050MA and PM10 heads. Includes 3 snoot 8050DL 2 snoot 8050D.
Speedotron 22" Elastic Style LightSox Flash Diffuser.
$ 50.95
Lightsox diffuser for 22" reflector
Speedotron Universal Snoot for the Standard 7" Reflector.
$ 31.95
Universal snoot for the standard 7" reflector #14221 (2.5" opening)
Studio-Assets Telescopic Light Disc Holder
$ 46.95
This 6' mini-boom arm holds all models of Studio Assets Light Discs. The arm is able to mount to all light stands that have a 5/8" stud. It is made of black anodized aluminum to prevent reflections when shooting.
