Optical Tube Assemblies(OTA's)
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Sky-Watcher Evoguide 50 APO
Sky-Watcher
Your price: $470.00Sky-Watcher Evoguide 50 APO 50mm f/4.8 Apochromatic Doublet refractor 242mm focal length 1.25” helical focuser Uses expertly matched ED glass to deliver dramatic, coal-black skies and faithful, contrast-rich views Prime focus...SKW-S11174- SKU:
- SKW-S11174
Your price: $470.00 -
On Sale
Sky-Watcher Evostar 100 APO
Sky-Watcher
On Sale: $1,180.00Was: $1,740.00Sky-Watcher Evostar 100 APO 100 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass 900 mm focal length (f/9) Dual-speed 2″ Crayford-type focuser with 1.25″ adaptor 8×50 RA erect-image finderscope 2″ dielectric...SKW-S11120- SKU:
- SKW-S11120
On Sale: $1,180.00Was: $1,740.00 -
On Sale
Sky-Watcher Evostar 120 APO
Sky-Watcher
On Sale: $2,500.00Was: $3,460.00Sky-Watcher Evostar 120 APO Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 120mm aperture, 900mm focal length, f/7.5 focal ratio 2-inch dual-speed Crayford-style focuser Aluminum tube coated with...SKW-S11130- SKU:
- SKW-S11130
On Sale: $2,500.00Was: $3,460.00 -
On Sale
Sky-Watcher Evostar 150DX
Sky-Watcher
On Sale: $3,750.00Was: $5,700.00Sky-Watcher Evostar 150DX Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 150mm aperture, 1200mm focal length, f/8 focal ratio 3.4" Helinear rack & pinion focuser Aluminum tube coated with glossy,...SKW-S11195- SKU:
- SKW-S11195
On Sale: $3,750.00Was: $5,700.00 -
Sky-Watcher Evostar 150ED
Sky-Watcher
Your price: $4,170.00Sky-Watcher Evostar 150ED 150 mm apochromatic refractor with matched lens assembly with one ED element 1200 mm focal length (f/8) Dual-speed 2” Crayford-type focuser Tube-ring attachment hardware with V-style dovetail plate Aluminum case M48...SKW-S11190- SKU:
- SKW-S11190
Your price: $4,170.00 -
On Sale
Sky-Watcher Evostar 72 APO
Sky-Watcher
On Sale: $490.00Was: $750.00Sky-Watcher Evostar 72 APO 72 mm apochromatic refractor with matched lens assembly with one ED element 420 mm focal length (f/5.8) Dual-speed 2” Crayford-type focuser Tube-ring attachment hardware with V-style dovetail plate Aluminum case Specs ...SKW-S11180- SKU:
- SKW-S11180
On Sale: $490.00Was: $750.00 -
On Sale
Sky-Watcher Evostar 80 APO
Sky-Watcher
On Sale: $970.00Was: $1,500.00Sky-Watcher Evostar 80 APO 80 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass 600 mm focal length (f/7.5) Dual-speed 2″ Crayford-type focuser with 1.25″ adaptor 8×50 RA erect-image finderscope 2″ dielectric...SKW-S11100- SKU:
- SKW-S11100
On Sale: $970.00Was: $1,500.00 -
Sky-Watcher Quattro 150P Imaging Newtonian 6""
Sky-Watcher
Your price: $830.00Sky-Watcher Quattro 150P Imaging Newtonian 6" 150mm aperture, 600mm focal length Fast f/4 focal ratio Parabolic borosilicate mirrors utilizing Sky-Watcher’s proprietary Radiant ™ Aluminum Quartz (RAQ™)...SKW-S11205- SKU:
- SKW-S11205
Your price: $830.00 -
Sky-Watcher Quattro 200P Imaging Newtonian
Sky-Watcher
Your price: $1,150.00Sky-Watcher Quattro 200P Imaging Newtonian 205mm aperture, 800mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch Crayford-style focuser Oversized secondary mirror produces greater...SKW-S11210- SKU:
- SKW-S11210
Your price: $1,150.00 -
Sky-Watcher Quattro 250P Imaging Newtonian
Sky-Watcher
Your price: $1,640.00Sky-Watcher Quattro 250P Imaging Newtonian 254mm aperture, 1000mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch Crayford-style focuser Oversized secondary mirror...SKW-S11220- SKU:
- SKW-S11220
Your price: $1,640.00 -
Sky-Watcher Quattro 300P Imaging Newtonian
Sky-Watcher
Your price: $2,520.00Sky-Watcher Quattro 300P Imaging Newtonian 305mm aperture, 1200mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch Crayford-style focuser Oversized secondary mirror produces greater...SKW-S11230- SKU:
- SKW-S11230
Your price: $2,520.00 -
Sky-Watcher Quattro Coma Corrector
Sky-Watcher
Your price: $610.00Sky-Watcher Quattro Coma CorrectorSKW-S20204- SKU:
- SKW-S20204
Your price: $610.00 -
Sky-Watcher Skymax 102
Sky-Watcher
Your price: $440.00Sky-Watcher Skymax 102 Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate featuring Metallic High-Transmission Coatings™ (MHTC™)...SKW-S11510- SKU:
- SKW-S11510
Your price: $440.00 -
Sky-Watcher Skymax 127
Sky-Watcher
Your price: $760.00Sky-Watcher Skymax 127 Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate featuring Metallic High-Transmission Coatings™ (MHTC™)...SKW-S11520- SKU:
- SKW-S11520
Your price: $760.00 -
Sky-Watcher Skymax 150
Sky-Watcher
Your price: $1,220.00Sky-Watcher Skymax 150 Maksutov-Cassegrain optical design Primary and secondary mirrors feature proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings Corrector plate featuring Metallic High-Transmission Coatings™ (MHTC™)...SKW-S11530- SKU:
- SKW-S11530
Your price: $1,220.00 -
Sky-Watcher Skymax 180
Sky-Watcher
Your price: $2,090.00Sky-Watcher Skymax 180 The Sky-Watcher Skymax Maksutov-Cassegrains are the ultimate take-anywhere telescopes. Despite their small dimensions they pack a powerful punch. Their high-resolution, diffraction-limited optical systems are...SKW-S11540- SKU:
- SKW-S11540
Your price: $2,090.00