You can see and buy Starwave 70ED F6 Travel Refractor at our Hertfordshire UK based showroom or buy online with Free UK Delivery
The advantage of ED optics for Astronomical visual observation: When compared to small Achromatic refractors of similar size, length and focal ratio, the Starwave 70 ED offers better mechanics for easier focusing, and truer colour rendition due to the ED optics. The Starwave 70 ED delivers a nd delivers a sharp "contrasty" image with good colour correction and tight star images. The 70mm aperture gathers about 100 times more light than the human eye, and in a dark-sky location, observation of star clouds and larger more extended objects is most enjoyable. With a higher power eyepiece or Barlow lens, this telescope will show plenty of detail on the moon, and it will show the planetary disc of Jupiter, with the major cloud bands visible as stripes across the disc, as well as the four largest Galilean moons and their movements from hour-to-hour. Saturns rings are visible as distinct from the planet at high powers.
Daytime terrestrial viewing: By adding an optional image-erecting prism diagonal, the Starwave 70 ED becomes a real performer when it comes to terrestrial and nautical observation, offering performance in the same category as ED spotting scopes costing many times the price. Simply increase the brightness on the Red Dot Finder and you can use the scope with pinpoint accuracy during daytime.
Mount choices: Due to it's compact size, this is an ideal telescope to use with the iOptron Cube or Smart EQ GOTO mounts, or the Altair Astro Sabre AZ series mounts. However you don't have to buy an astronomical mount right off to enjoy the heavens, because the Starwave 70 ED fits directly to a standard photo tripod, having two Standard 1/4 thread photo tripod holes underneath the dovetail base.
Travel friendly: A tough, high quality flight case is included, falling well within any known cabin luggage size restrictions (at 28x39x15cm) to protect your scope on it's travels. The case has enough space inside for a some eyepieces, a diagonal and a finder.
Astro imaging or terrestrial photography with the Starwave 70ED: A smooth and rotatable dual speed "non-slip" 2" Crayford focuser is supplied, with tension adjustment, able to carry a basic light weight DSLR or a light weight CCD camera. The focuser sports a steel guide-plate which eliminates slippage and increases the focuser's carrying capacity to about 2.5KG, which is more than enough for a DSLR or CCD camera and filter-wheel. The ED Doublet lens system features a special ED glass element, which results in less colour aberrations in the image. The optics are compatible with the Lightwave field flattener and reducer range, in particular the Lightwave 1.0x Field Flattener. The rear 2" visual back can be removed from the focuser, revealing a female M54x0.75x threaded accessory port. Various adapters are available to attach your particular camera system via this method. The machined aluminium tube transmits heat to the optics, which benefits users of dew control systems.
Finder scopes and auto-guiding: The RDF or Red Dot Finder can be attached using a separate finder stalk and Universal Finder Bracket. The Altair 60mm Deluxe Finder Scope / Miniguider system attaches to the focuser directly using the Universal Finder Bracket, enabling auto-guiding and easy guide-star selection, in a compact light weight package.
Specifications and accessories:
Suggested mount: iOptron Cube PRO to enable tracking of objects as they move across the sky, and "GOTO" slewing to objects, or you can just a photo or video tripod to get started with wide field viewing.
The magnification of a telescope is determined by dividing the telescope focal length in mm by the eyepiece focal length in mm. For example 420mm telescope focal length divided by 17mm = 25x magnification.
Here's a handy table with Altair eyepiece focal lengths, and the magnifications they create with this telescope:
Finding objects in the telescope. Using a low power eyepiece you can quite easily spot a bright or large object by sighting along the telescope, however fainter and smaller objects would benefit from a "finder" accessory. To make finding objects easier, you can attach a Red Dot Finder, which projects a faintly visible red dot on the target. These are available separately, or as part of an accessory bundle. The optional Altair Red Dot Finder has variable brightness, and can be used in the day-time too. It is extremely accurate and free of parallax error. There is even a dew-control accessory available for use with this finder.
For imaging with your DSLR, you'll need a 40mm M48 Extension Tube and M48 DSLR adapter to insert into the 2" focuser aperture.
For CCD camera imaging, you can attach a camera or filter wheel with M54x0.75mm threads directly to the focuser by unscrewing the rear 2" "push-fit" visual back. You can convert this to M48 male thread, by means of an M54x0.75 to M48 converter.
Focusing with a DSLR or CCD camera: We recommend the Starwave Bahtinov Mask product code "SWBM-65-100mm".Please enquire for focuser-automation options.
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