61EDPHⅢ

The 61EDPH series has long been popular with astrophotography amateurs, in order to have a better user experience for users, Sharpstar has optimized the 61EDPH Ⅱ and launched a new version - 61EDPH Ⅲ. 61EDPH Ⅲ has more diverse functions and greater performance. It is a great choice that can't be missed by astrophotographers.

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Product introduction

 

 

The new 61EDPH Ⅲ still has high-quality optical standards like before and adopts a triplet air-spaced APO design. Compared to the 61EDPHⅡ, it upgraded to two pieces of low dispersion ED glass for more excellent imaging performance. It not only can be applied to visual observation, but also can provide higher-quality astrophotography. 61EDPH Ⅲ has a focal length of 360mm, and a focal ratio of 5.9, after attaching the flattener or reducer, it supports the 44mm full-frame image circle. It is a high-quality portable telescope.

 

The 61EDPH Ⅲ upgraded the handle of the 61EDPHⅡ to a multifunctional handle, which can be connected to the universal vixen-style finder base. In addition, the 61EDPHⅢ is equipped with a 200mm long vixen dovetail plate, easier to connect to the equatorial mounts and accessories, and makes the OTA easier to balance on the mount. The appearance has smooth and natural lines, with the classic red and white color scheme, very simple and generous. The tube uses high-quality CNC machining, high-grade surface painting, and polished oxidation, elaborate and durable.

 

The special full-frame reducer of 61EDPH Ⅲ: One end of the thread is M68 × 1, connected to the primary lens focuser; the other end of the thread is M48 × 0.75 and has a built-in 2" filter thread. The back focus is 55mm. If it needs to be extended, the adapter can be screwed down to reveal the M54 × 0.75 male thread, and the back focus becomes 75mm. The focuser adopts a quadruplet air-spaced structure, supporting full-frame imaging. With the reducer, the focal ratio of 61EDPHⅢ reduced to F4.4 and the focal length reduced to 270mm, is the first choice for deep sky astrophotography.

 

 

In addition, 61EDPH Ⅲ can also equip with a special full-frame flattener, providing users with more options. The flattener: One end of the thread is M68 × 1, connected to the primary lens focuser; the other end of the thread is M48 × 0.75 and has a built-in 2" filter thread. The back focus is 55mm. If it needs to be extended, the adapter can be screwed down to reveal the M54 × 0.75 male thread, and the back focus becomes 81.5mm. The flattener adopts a triplet air-spaced structure, the peripheral light reduction control is excellent, can effectively improve the curvature of the field, improve the corner image quality, and reduce aberrations, so that users can take clearer astronomical photos.

 

The new F5.9 61EDPH Ⅲ has comprehensive upgrades on the primary lens, exterior design, and accessories, it is a telescope with high performance and versatility to meet the shooting needs of different users and provide a better shooting experience.

Specifications

61EDPHⅢ Parameters

Aperture size

61mm

Focal length

360mm

Focal ratio

f/5.9

Objective lens

Triplet air-spaced APO(including two ED glass)

Limiting visual magnitude

10.7

Resolution

1.93 arc second

Tube length

272mm(Dew shield contracted)

OTA weight

1.48kg

Gross weight

1.92kg

Tube outer diameter

75mm

Accessories

a tube ring, a dovetail plate, a handle

 

 

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Video

Images

Mark Comerford  |  M45 - Pleiades  |  Sharpstar 61EDPH III + ZWO ASI2600MC Pro

Stefano Pesci  |  Ic405 Ic410 and M38  |  Sharpstar 61EDPH III + Canon EOS 5D Mark II (modified)

Guillaume Rld  |  NGC1909  |  Sharpstar 61EDPH III + 61EDPHⅢ f/4.4 Full-Frame Reducer + ZWO ASI2600MC Pro

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