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SharpStar 50EDPH Triplet APO Refractor (50EDPH) - Astronomy Plus

SharpStar 50EDPH Triplet APO Refractor (50EDPH)

by SharpStar
SKU SS-50EDPH
$0
$636.00 - $636.00
$636.00
$636.00 - $636.00
$636.00
or 4 payments of $159.00 with
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Description

SharpStar 50EDPH Triplet APO Refractor

with new tube rings!

The Sharpstar 50EDPH is an OTA with a 50mm aperture, 275mm focal length, and f/5.5 native focal ratio.

The 50EDPH is compact and lightweight, with a gross weight of 1.0kg (including the dovetail plate) and a total length of 196mm.

With excellent optical quality, user-friendly mechanical design, and a size that can be grasped in one hand, the 50EDPH is a perfect choice for daily observation and shooting.

The 50EDPH is a triplet air-spaced APO design, including two pieces of ED glass. The triplet design is rare for a telescope of such a small aperture, and the chromatic aberration control is exceptional.

The Sharpstar 50EDPH has a retractable lens hood to further shorten the overall length and increase portability.

The Sharpstar 50EDPH has a 70mm Vixen-style dovetail plate, which slotted 1/4-20 threaded holes, making it not only adapt to most equatorial mounts but can also be mounted on a tripod for use.

Before the focuser, Sharpstar 50EDPH design a 360°rotator, which is also equipped with a rotator locking screw.

The Sharpstar 50EDPH's focuser is a dual-speed rack and pinion rigid focuser, with a 1:10 precision fine adjustment knob and an overall travel length of 60mm.

The rear end of the Sharpstar 50EDPH is equipped with a 1.25" adapter, which can attach a 1.25" diagonal and eyepiece for visual observation.

It is worth mentioning that the Sharpstar 50EDPH also comes standard with two sections of 5cm M48 extension tubes. The extension tubes can be connected to the eyepiece for visual observation instead of the diagonal, or to a planetary camera for planetary imaging.

The Sharpstar 50EDPH has an optional 0.84x reducer that can be chosen, the 0.84x reducer can bring the Sharpstar 50EDPH's focal ratio down to f/4.6. This is a standard reducer with field flattening capabilities as well. The 50EDPH's reducer supports the APS-C frame, The 0.8x reducer is equipped with an M48 adapter and comes with a built-in M48*0.75 2" filter thread for direct filter mounting.

Technical Specifications

In the Box

Warranty & Manuals

Customer Reviews

Based on 2 reviews
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A
Alain Cléroux

Très belle lentille, système de mise au point très doux. Par contre, pour la photo avec un APS-C il faut absolument le réducteur/aplanisseur de champ. En effet, le champ plat sans le réducteur n'est que d'environ 10mm. Avec le réducteur, les étoiles sont nettes presque jusque dans les coins d'un capteur APS-C. Lentille (avec réducteur) idéale pour photos à grand champ.

K
Kevin Agar
A small yet mighty Titan!

I purchased the Sharpstar 50EDPH scope for use as a tack sharp guide scope but will use it as a dedicated scope once spring arrives. This tiny little triplet is very well built and so is the 0.84 flatterner/reducer. Everything fit together perfect, the fit and finish is excellent and the rack and pinion is smooth, tight and has a satisfying feel when adjusting. Since I am using it initially as a guide scope on my big 115mm triplet refractor, the only images I have checked was with my ASI290mm mini guide camera and the detail was crisp and very sharp at infinity focus on trees 3 miles away. This scope only weighs 1.2 kg with the reducer but it feels solid! Now I await clear skies.

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