Search results for 'sendfriend product send id 45252'
Askar 120 APO F/7.0 Triplet Refractor
US$ 1,825.81The Askar 120APO's 120mm aperture provides undeniable advantages in light-gathering power, resolution, brightness and contrast, allowing you to capture more light and present more detail and brighter objects in your images. The increased aperture area, which is 36% larger than that of the 103APO, contributes to better performance.SkyWatcher Newton Quattro 300/1200 f/4
US$ 1,246.61The Newton Quattro 300/1200 f/4 reflector optical tube is a 300mm diameter and 1200mm focal length telescope particularly suitable for photographic use, thanks to the fast f/4 focal ratio. Ideal as a personal observatory optical tube.SkyWatcher APO Esprit 150 with Flattener
US$ 6,414.84Esprit 150ED APO Triplet Apochromatic Refractor optical tube, 150mm diameter, 1050mm focal length, f/7 and equipped with field flattener, rigid case and accessories.SkyWatcher APO Esprit 120 with Flattener
US$ 3,296.08Esprit 120ED APO Triplet Apochromatic Refractor optical tube, 120mm diameter, 840mm focal length, f/7 and equipped with field flattener, rigid case and accessories.SkyWatcher Evostar 150/1200
US$ 774.34Optical tube with achromatic doublet, 150mm diameter, 1200mm focal length (f/8) with accessories. Ideal for photography and viewing of the Moon, planets and for observation of all deep sky objects.SkyWatcher Evostar 150/750
US$ 756.52Optical tube with achromatic doublet, 150mm diameter, 750mm focal length (f/5) with accessories. Ideal for observation of the Moon and deep sky objects.SkyWatcher Startravel 120/600
US$ 337.71Optical tube with achromatic doublet, 120mm diameter, 600mm focal length (f/5) with accessories. Ideal for wide-field observation of deep-sky objects such as galaxies, nebulae and star clusters.SkyWatcher Evostar 120/1000
US$ 405.44Optical tube with achromatic doublet, 120mm diameter, 1000mm focal length (f/8.3) with accessories. Ideal for observing the Moon, planets and deep sky objects.SkyWatcher Evostar 102/1000
US$ 262.87Optical tube with achromatic doublet, 102mm diameter, 1000mm focal length (f/9.8) with accessories. Ideal for observing the Moon, planets and major deep sky objects.Askar FRA300 60mm f/5.0 Refractor
US$ 1,157.51The best seller of the quintuplet series, the FRA300 60mm; It is an instrument suitable for astrophotography.
Thanks to the quintuplet spaced in the air, it provides a flattened field up to 40mm diagonally without the addition of further flatteners/reducers.
Askar FRA500 90mm f/5.6 Refractor
US$ 2,137.69The best seller of the quintuplet series, the FRA500 90mm; It is an instrument suitable for astrophotography.
Thanks to the quintuplet spaced in the air, it provides a flattened field up to 44mm diagonally without the addition of further flatteners/reducers.
SkyWatcher Newton Quattro 150/600 f/4
Regular Price: US$ 533.75
US$ 444.65
The Newton Quattro 150/600 f/4 reflector optical tube is a telescope with a 150mm diameter and 600mm focal length particularly suitable for photographic use, thanks to the fast f / 4 focal ratio and the included coma corrector. Compact and versatile instrument, ideal for astrophotography.Artesky UltraGuide 60 MKII Guide Scope
US$ 150.59Artesky UltraGuide MK II 60 / 240mm Guide Telescope - The Artesky UltraGuide MKII 60mm Guide Telescope is a superbly crafted guide scope with 31.8mm helical focuserOUT OF STOCK
Celestron C9.25-XLT CGE
Regular Price: US$ 1,914.92
US$ 1,781.25
- 9.25" Schmidt-Cassegrain Optical Tube Assembly (OTA)
- Features Celestron's premium patented StarBright XLT optical coatings
- 2350mm focal length (f/10)
- Fastar compatible
- Tube constructed of durable and lightweight aluminum
- Includes: 25mm eyepiece (94x), 6x30 optical finderscope, star diagonal, 1.25” visual back, CGEM-style dovetail bar
SkyWatcher APO Esprit 80 with Flattener
US$ 1,647.60Esprit 80ED APO Triplet Apochromatic Refractor optical tube with 80mm diameter, 400mm focal length, f/5 and equipped with field flattener, rigid case and accessories.SkyWatcher APO Esprit 100 with Flattener
Regular Price: US$ 2,494.11
US$ 2,315.90
Esprit 100ED APO Triplet Apochromatic Refractor optical tube with 100mm diameter, 550mm focal length, f/5.5 and equipped with field flattener, rigid case and accessories.The powerful 6-element Apo with 76 mm aperture and 342 mm focal length has been developed by Teleskop-Service for astrophotography.
- Aperture 76 mm
- Focal length 342 mm
- High focal ratio f/4.5 for short exposure times
- Illuminated and corrected image field of 44 mm diameter - usable up to full format
- Multi-coated FPL53 APO Triplet lens, free from false color
- Screwed 3-element ED corrector with 55 mm working distance from the M48 camera connection
- 3" RAP rack and pinion focuser with 360° rotation possibility
- 2" and 1.25" connection for observation are included - 1.25" and 2" accessories can be used
- 2" nebula filters can be screwed into the corrector
- CNC tube rings with handle, viewfinder shoe and V-style dovetail bar are included in delivery
- The handle offers adaptation options for guide scope or camera
TS-Optics 8" f/12 Cassegrain 203/2436 mm
US$ 1,086.22TS 8" f/12 Cassegrain telescope with fused Quartz mirror and only 33% obstruction - the ideal alternative to a Schmidt-Cassegrain
- Aperture 8" - 203 mm
- Focal length 2436 mm
- F-ratio f/12
- Large illuminated image field with 45 mm diameter
- Hyperbolic secondary mirror and parabolic primary mirror made of Quartz glass for stable focus position
- 99% reflection on primary and secondary mirror for an even brighter image
- Quick temperature adaption due to open design
- Pure reflective system without Schmidt plate or meniscus lens - fully suitable for Infrared
- Only 33 % linear obstruction - very well suited for visual astronomy
- 2" MONORAIL focuser with micro-gear reduction and 1.25" reduction are included
- M90 extension tubes for trouble-free focusing with almost any accessories included
- Internal baffles for higher contrast
- Losmandy style dovetail and Vixen/EQ5 style dovetail for trouble-free adaption to all popular mounts
- Finder-scope shoe is also included
- Very economically priced, compared with other classical Cassegrains