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- High class triplet objective with two special glasses - optical quality and colour correction significantly better than from simple FPL53 dublets.
- Retractable dew cap - thus perfectly suited for transportation - transportation length only approx. 71 cm!
- High-quality 2.5" RPA focuser with 1:10 gear reduction for precise focusing
- 360° rotation of the focuser
- Noticable better illumination than all comparable apochromatic telecopes with smaller 2" focusers - the APO can be used up to full-frame.
- CNC machined tube rings - no simple aluminum cast
- The objective is mounted adjustable and temperature compensated. The cell will keep the adjustment - ideal for transportation
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 - universal 2" field corrector without change of the focal length: the corrector is directly inserted into the receptacle and locked with the adapter kit. The working distance is 111 mm from the M48 thread of the corrector. We recommend the TSFlat2 for cameras with sensor sizes up to APS-C format.
- TSFlat2,5 - 2.5" field corrector without change of focal length: the corrector is screwed to the M63 thread. For this, the adapter M63a-Flat25 is necessary. The working distance from the M69 thread of the flattner is 91 mm. We recommend the TSFlat2,5 for cameras with full-frame sensors.
- TSRed379 - 3" Photoline reducer and corrector: This 0.79x corrector also reduces the focal length to 632 mm and increases the speed to f/5.53. 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. We recommend the reducer for CCD cameras with larger sensors and for DSLR cameras with full-frame sensors.
- Optical tube assembly with focuser
- Front and rear cover
- Support rings and Vixen type dovetail bar
TS-Optics Photoline Lanthanum + FPL-51 115mm f/6,96 triplet apochromatic refractor with EAGLE2 installed in parallel thanks to the 115mm PLUS support rings. 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.
|Optics||Tripletto Lantanio + FPL51|
|Focal Length (mm)||800mm|
|Field flattener/corrector||Not included (optional)|
|Focuser||2,5" pignone e cremagliera, micrometrico|
|Eyepiece holder||50,8mm with 31,8mm reducer|