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The TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor is equipped with one the best objectives of its class. The moderate focal ratio and the use of two special glasses (FPL53 and lanthanum glass) allows for a correction which is clearly above the level of two-lens ED apos in this price range. The image quality is comparable with three-element lenses. The telescope can be used visually without any restrictions and, thanks to the optional field flattener and focal reducer, there is also no obstacle to astrophotography. Thanks to the included SESTO SENSO 2, if you want to use it to observe the objects in the sky you can precisely control the focuser position without touching the telescope or even without a computer thanks to the included Virtual HandPad. It includes 2,5" rack and pinion focuser with 50,8mm visual back and with 1:10 fine focus, SESTO SENSO 2 robotic focusing motor, PLUS support rings.
This special version of the TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor adds SESTO SENSO 2 - The highly accurate, advanced, vibration free, robotic focusing motor for your telescope! Connect it to the USB port of your EAGLE or Windows® computer to electronically control focus while still allowing you to manually move your focuser by hand if needed. If you don’t want to focus using a computer, you can connect wirelessly from any smartphone or tablet using the integrated Virtual HandPad via the built-in Wifi network in the SESTO SENSO 2! Thanks to the Self Centering Clamp technology (SCC), SESTO SENSO 2 can be installed on most focusers without the need of external brackets. The supplied FOCUS Manager software and ASCOM driver allow easy configuration of the many advanced features of SESTO SENSO 2. Thanks to the precisely controlled motor with integrated electronics, SESTO SENSO 2 achieves incredible precision of just 0.7 microns. And you can also expand SESTO SENSO 2 features by adding the ARCO robotic camera rotator!
TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor with SESTO SENSO and the following optional accessories: Losmandy style 240mm PLUS dovetail bar (below the tube), EAGLE with guide scope in parallel (above the telescope).
The Photoline apo is suitable for astrophotography without restrictions, but, as with any fast refractor, the field has to be corrected for keeping the stars nicely round even at the edge. For this, we offer the following options:
- TSFlat2,5 - 2.5" field corrector without change of focal length: the corrector is screwed to the M69 thread. The working distance from the M69 thread of the flattener is 88 mm.
- TSRed379 - 3" Photoline reducer and corrector: This 0.79x corrector also reduces the focal length to 770 mm and increases the speed to f/6.16. The working distance from the M48 thread is 55 mm. The reducer is screwed to the M63 thread. For this, you need the adapter M63a-M68i.
- TS-Optics Photoline apochromatic refractor D:125mm F:975mm f/7.8
- SESTO SENSO 2 robotic focusing motor
- M95x1 L=60mm extension
- 50,8mm rack and pinion focuser with 50,8mm visual back and fine focus knob
- PLUS support rings
|Optics||Doppietto Lantanio + FPL53|
|Focal Length (mm)||975mm|
|Field flattener/corrector||Non incluso (opzionale)|
|Focuser||con SESTO SENSO|
|Eyepiece holder||50,8mm con riduttore 31,8mm|