Sharpstar 61EDPH III 61mm Aperture F5.9 Professional Astronomical Telescope Triplet ED APO with Multifunctional Handle
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Sharpstar 61EDPH III 61mm Aperture F5.9 Professional Astronomical Telescope Triplet ED APO with Multifunctional Handle
Description:
- The new 61EDPH III still has high-quality optical standards like before and adopts a triplet air-spaced APO design. Compared to the 61EDPH II, 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 61EDPH II to a multifunctional handle, which can be connected to the universal vixen-style finder base. In addition, the 61EDPH III 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 x 1, connected to the primary lens focuser; the other end of the thread is M48 x 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 x 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 61EDPH III 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 x 1, connected to the primary lens focuser; the other end of the thread is M48 x 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 x 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.
Specification:
- 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
Package Included:
- 1 x Telescope
- 1 x Tube Ring
- 1 x Dovetail Plate
- 1 x Handle
Sharpstar 1.0x Full-frame Flattener Professional Astronomical Accessory Dedicated for 61EDPH III Telescope
Description:
- The flattener: One end of the thread is M68 x 1, connected to the focuser; the other end of the thread is M48 x 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 x 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.
Specification:
- Application: 61EDPH III
- Image circle: 44mm
- Lens: Triplet air-spaced structure
- Back focus: 55mm (including the M48 thread)
- Coating: full-surface multi-layer coating
- Weight: 0.4kg
Package Included:
- 1 x Flattener
Sharpstar 0.75x F4.4 Full-frame Reducer Professional Astronomical Accessory Dedicated for 61EDPH III Telescope
Description:
- The special full-frame reducer of 61EDPH III: One end of the thread is M68 x 1, connected to the focuser; the other end of the thread is M48 x 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 x 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 61EDPH III is reduced to F4.4 and the focal length is reduced to 270mm, making the telescope the first choice for deep sky astrophotography.
Specification:
- Application: 61EDPH III
- Focal ratio: f/4.4
- Image circle: 44mm
- Lens: quadruplet air-spaced structure
- Back focus: 55mm (including the M48 thread)
- Coating: full-surface multi-layer coating
- Weight: 0.4kg
Package Included:
- 1 x Reducer
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