- All Products
- Shop by Brands
- BW Technologies
- BW Technologies
- BW Technologies Monitors
- Models
- BW Clip
- BW Clip4
- GasAlertClip Extreme
- GasAlert Extreme
- GasAlertMicroClip XT
- GasAlertMicroClip XL
- GasAlertMicroClip X3
- GasAlertQuattro
- GasAlertMax XT II
- GasAlertMicro 5 Series
- SamplerPak
- IntelliDox Docking System
- MicroDock II
- BW Ultra
- BW Solo
- Gas Monitors
- Gas Monitor Manufacturers
- BW Technologies
- Bacharach
- Biosystems
- Crowcon
- Gas Clip Technologies
- GfG Instruments
- GMI/Detcon
- Honeywell Analytics
- Industrial Scientific
- MSA
- RAE Instruments
- RKI Instruments
- Gas Monitor Categories
- Single-Gas Monitors
- Multi-Gas Monitors
- Zero Maintenance Monitors
- Fixed System Gas Monitors
- Confined Space Kits
- Wireless Fixed Point Gas Detectors
- Hydrogen Sulfide (H2S) Monitors
- Calibration Gas
- Combustion Analyzers
- Water Quality
- Reliability Instruments
- Refractometers
- HVAC
- Weather
- Temperature
- Laboratory
- Sound
- IAQ
- Electrical
- All Categories
Sky-Watcher Evoguide 50 APO Refractor Telescope - S11170
Item #:
SW-S11170
Brand:
Sky-Watcher
Share this product:
S11170 Evoguide 50 APO Refractor Telescope by Sky-Watcher
Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. Sky-Watcher Evostar refractors are the logical choice for the discriminating amateur astronomer looking for an investment in advanced instrumentation for exceptional viewing and astrophotography.
- 50 mm apochromatic refractor with matched lens assembly with one ED element
- 242 mm focal length (f/4.8)
- 1.25" Helical focuser
- Finder stalk
| SKU | S11170 |
| UPC | 050234111706 |
| Optical Info | |
| Optical Design | ED Doublet |
| Lens Coatings | Fully Multi-Coated |
| True Aperture (mm) | 50 |
| Primary Aperture (mm) | 50 |
| F/Ratio | 4.8 |
| Focal Length (mm) | 242 |
| Observational Info | |
| Dawes Limit | 2.32 |
| Rayleigh Limit | 2.79 |
| Limiting Mag. | 11 |
| Minimum Magnification | 9 |
| Maximum Magnification | 98 |
| General Info | |
| Focuser | 1.25" Helical |
| OTA Length (Retract/Ext.) | 10.5" |
| OTA Outer Diameter | 2.2" |
| OTA Weight (with accessories) | 1.9 |
| Accessories | |
| Mounting Accessories | Guide Rings |
| Included Case | No |
| Corrector | No |