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The SkyWatcher 120 ED Black Diamond telescope is a 120mm f/7.5 apochromatic refractor that offers large diameter objective at a really affordable price. The objective is a doublet apochromatic with FPL-53 glass that produces no false color images (very well correct chromatic aberration): the result is a contrasted picture and rich in details. The SkyWatcher 120 ED Black Diamond telescope it's still lightweight and therefore it can also be used on HEQ5 type mounts.
The SkyWatcher 120 ED Black Diamond offers a solid 50,8mm diameter Crayford focuser. Thanks to the fine focusing knob you can get a fine tuned focus. The optional 0,85x reducer/flattener enables you to convert it into a telescope to photograph deep-sky objects even with large sensor camera (like DSLR). In fact it decreases telescope focal length at 765mm and focal ratio changes from f9 to f7,65. This makes it easier to record the weak details of galaxies, nebulae and star clusters.
- Apochromatic refractor OTA D:120mm F:900mm f/7.5
- Aluminum tube
- 50,8mm Crayford focuser with 31,8mm adapter and 1:10 micro focus knob
- Support rings and Vixen type dovetail bar
- 90° 50,8mm diameter dielectric mirror diagonal
- LET 28mm eyepiece, 50.8mm diameter
- 9x50 finder with support
|Focal Length (mm)||900|
|Field flattener/corrector||Not included (optional)|
|Focuser||50,8mm Crayford, micrometrico|
|Eyepiece holder||50,8mm with 31,8mm reducer|
|Hard/soft case||Hard case|