Sharpstar 61mm f/5.5 ED Doublet Apo Refractor Telescope
Availability: Item has been discontinued by the manufacturer
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Technology is developing so fast, there is a big boost in people’s demand for goods. In recent years, some new changes have taken place in the field of astronomy products. With the popularization of digital cameras and people’s increasing love of astronomy photography, an all-round equipment that features photography and suitable for observation is needed to meet customers’ demand. SharpStar 61EPH occurs under this background. This telescope features a two-element fully separated lens design with a focal length of 335mm and a focal ratio of f/5.5. The use of one extra-low dispersion glass elements makes the overall tube shorter and more portable. The dedicated unitary tube rings with hollow design and streamlined handles is fashionable and beautiful and you can add some accessories to connect. The 61EDPH package also contains a 10cm dovetail plate, it have a screw-hole in the center that allows the camera to be mounted to a tripod for photography. The back-end is equipped with a middle 2.5" rack and pinion precision focuser to be used with a large dedicated reducer.
OTA Specifications:
- Aperture: 61mm
- Limiting Star Magnitude: 10.7
- Focus Ratio: f/5.5
- Resolution: 1.93 Angular Seconds
- Objective Type: Doublet Air-Spaced APO (one extra-low dispersion ED glass)
| Product Banner Type | discontinued |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Telescope Focal Length | 301 - 400mm |
| Hide Found a better Shipped Price on Frontend? | No |
Technology is developing so fast, there is a big boost in people’s demand for goods. In recent years, some new changes have taken place in the field of astronomy products. With the popularization of digital cameras and people’s increasing love of astronomy photography, an all-round equipment that features photography and suitable for observation is needed to meet customers’ demand. SharpStar 61EPH occurs under this background. This telescope features a two-element fully separated lens design with a focal length of 335mm and a focal ratio of f/5.5. The use of one extra-low dispersion glass elements makes the overall tube shorter and more portable. The dedicated unitary tube rings with hollow design and streamlined handles is fashionable and beautiful and you can add some accessories to connect. The 61EDPH package also contains a 10cm dovetail plate, it have a screw-hole in the center that allows the camera to be mounted to a tripod for photography. The back-end is equipped with a middle 2.5" rack and pinion precision focuser to be used with a large dedicated reducer.
OTA Specifications:
- Aperture: 61mm
- Limiting Star Magnitude: 10.7
- Focus Ratio: f/5.5
- Resolution: 1.93 Angular Seconds
- Objective Type: Doublet Air-Spaced APO (one extra-low dispersion ED glass)
| Product Banner Type | discontinued |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Telescope Focal Length | 301 - 400mm |
| Hide Found a better Shipped Price on Frontend? | No |