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  • TS-Optics rifrattore apocromatico ED50mm f/6,6 TS-Optics rifrattore apocromatico ED50mm f/6,6

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TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor

Product code: TSApo125f78

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Quick Overview

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.

Availability: Available

Order €1,499.00
22% tax incl
if you pay by bank transfer €1,454.03

Details

TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor - main specifications:

- Air-spaced doublet objective with no relevant chromatic aberration - special glasses FPL53 (from Ohara) and lanthanum glass.
- Temperature-compensated, fully adjustable cell made of metal.
- 2.5" RPA Photoline dual-speed rack and pinion focuser - holds accessories up to 5 kg
- Direct M63 and M68 thread connection for correctors and reducers
- Working distance 150 mm from the 2" receptacle
- If using binoviewers or extreme reducers (Riccardi), the working distance can be extended to 210 mm.
- Stable aluminium tube with internal baffles
- CNC tube rings with GP/EQ5 style dovetail bar
- Weight: 7.57 kg - very portable and small mounts.

TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor

TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor - photography use:

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 flattner 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 Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor

TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor - scope of delivery:

- Optical tube assembly with focuser
- M95x1 L=60mm extension
- Front and rear cover
- Support rings and Vixen type dovetail bar

TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor

TS-Optics Photoline Lanthanum FPL-53 125mm f/7,8 doublet apochromatic refractor with EAGLE2 installed in parallel thanks to the 140mm PLUS support rings and ECCO environmental module installed on the finder shoe. On top of the EAGLE2 there is the 60mm CompactGuide scope with PLUS guide rings and on the focuser there is SESTO SENSO, the robotic focusing motor, installed by adding the 33mm adapter for SESTO SENSO.

Technical specifications

Optical Design Apochromat
Optics Doppietto Lantanio + FPL53
Diameter (mm) 125mm
Focal Length (mm) 975mm
Focal Ratio f/7,8
Field flattener/corrector Not included (optional)
Optical Tube Alluminio
Obstruction No
Focuser 2,5" pignone e cremagliera, micrometrico
Eyepiece holder 50,8mm with 31,8mm reducer
Weight 7,57 Kg
Hard/soft case No

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