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SharpStar AL-107PH 107mm f/6.5 ED APO Triplet Apochromatic Refractor Telescope

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5.10 kg
Aperture (mm) 107 Focal Length (mm) 700 Focal Ratio f/ 6.5 Optical Design Apochromatic Refractor
Mount Type Mount Movement
Our price:
including VAT 20.00 % ( £283.17 )

SharpStar AL-107PH 107mm f/6.5 ED APO Triplet Apochromatic Refractor Telescope

Now add an optional field flattener and you got the perfect flatfield apochromat!

SharpStar AL-107PH ED APO telescope features:

• 107MM f/6.5 three-element full separation optical design
• Includes one Japanese OHARA FPL-53 Super ED lens
• Optional field flattener available separately
• New 3" dual-speed rack and pinion focuser, 10:1 fine focus
• 3", 2" and 1.25" universal interfaces
• Angle adjuster for 360 degree rotation
• Universal (Vixen-style) dovetail bar with tube rings
• Comes with a finderscope shoe

The Ruixing (SharpStar) AL-107PH ED apochromatic refracting telescope tube features a three-piece fully separated (air spaced) design that includes one FPL-53ED lens and a full-surface multi-layer coating.
The AL-107PH ED provides a very good observation and imaging system thanks to the convenient focal ratio. The unique three-piece design incorporates a special ED lens, that helps to achieve excellent chromatic aberration control, the stars are point-like sharp, and the image is more vivid.
The SharpStar AL-107PH ED also comes with an impressive focusing system while providing an excellent optical system. The SharpStar AL-107PH ED comes with a precision 3" rack and pinion dual speed focuser. Compared with many refractors on the market, the use of a rack and pinion focuser offers larger payload and a stronger hold, so that your focuser will not slip when using heavy-duty observation accessories or camera. Worried about being out of focus or badly framed image? The 360-degree rotator allows you to easily rotate the shooting angle and correct the framing to your own satisfaction. The 3-inch focuser's 2" international standard interface with brass compression ring does not let your accessories to scratch. More importantly, its 3-inch focusing tube (drawtube) is more robust and more stable than most commercially available 3-inch focusing tubes. It also provides good upgrades for heavy-duty accessories such as large-caliber field flatteners.
In addition, the AL-107PH ED can be equipped with a dedicated 2-inch or 2.5-inch large field flattener for astrophotography, which provides excellent image quality and avoids field edge star distortion. Other third-party flatteners might be used as well (i.e. APM RIRAD-M82 or RIRED-M63). The use of a field flattener is simple, the smaller 2" field flattener will slide into the 2" eyepiece holder barrel or the 2.5" flattener will be screwed into the focuser. In both cases the other side screws into the camera via optional (camera-specific) adapter. This provides a safe and secure connection for your expensive camera.
The SharpStar AL-107PH APO is a reasonably priced observational and imaging tool with high quality three-element optical system that features exotic FPL-53 super ED glass, high quality heavy duty 3-inch rack and pinion focuser; when compared to other similar products on the market, its value is self-evident.

Above image: Brass compression ring on both the 1.25" and 2" eyepiece holder barrels.

Above image: threaded connection for large reducer, flattener or other accessories... M74 male and M68 femal threads.

Product parameters:

Model: Ruixing (SharpStar) AL-107PH
Objective type: 3-piece fully separated (air spaced) APO (one of which is FPL-53 ED glass)
Effective aperture: 107 mm
Focal length: 700mm
Focus ratio: F6.5
Fully illuminated image circle: will depend on the used field flattener
Visual Limiting Star Magnitude: 12.6
Resolution: 1.29 arc seconds
Main tube outer diameter: 114mm (tube ring size)
Accessories: a pair of tube rings and dovetail bar
Net weight: 5.10kg (excluding tube rings and dovetail plate)
Total length of telescope (with extended lens shade): 685mm
Total length of telescope (with retracted lens shade): 590mm
Above image: telescope comes in a sturdy aluminium case
(please note, this is a free gift with the telescope and not subject to warranty as it merely serves as safe packaging. In case of damage to the case we won't be able to provide a replacement.)
Above image: A pair of tube rings, Vixen-style dovetail bar (and usually an additional handle, not shown on the above image) supplied with the telescope.
Above image shows optional 33mm adapter for the Primaluce Lab Sesto Senso robotic focus motor.
See below. Not the most usual way of using a Sharpstar AL-107PH: visual observation of the sun. Courtesy of Nick Randall-Smith.

Below images of Mars are courtesy of Nick Randall-Smith

Nick took these images of Mars using a SharpStar AL-107PH 107mm triplet APO around the time of Mars opposition (15 October 2020). He used  a ZWO ASI294MC-PRO deep sky camera and a Tele Vue Powermate 4x 2".


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