TS Photoline 130mm f/7 Triplet Apo - FPL-53 - 2.5" RPA Focuser

This 130mm f/7 apochromatic triplet refractor is equipped with one of the best lenses of its class. The proven FPL-53 from Ohara (Japan) is used as the apo element. This color-clean lens is mounted in a temperature-compensated cell, which also compensates minus temperatures. A solid metal tube and the new PHOTOLINE RPA 2.5" Deluxe focuser with Rack & Pinion make this apochromat a recommendation for the dedicated astrophotographer and for the visual observer.

For this telescope, a conscious decision was made to use the high-quality FPL-53 as the material for the apo element in order to offer the best possible optical quality. The manufacturer offers even simpler, cheaper FPL-51 lenses.

The 2.5 "RPA focuser is an inexpensive alternative to the well-known Starlight FeatherTouch™ FTF25 - but in a quality that comes very close to this focuser. The focuser holds camera-side accessories up to about 5kg without causing tilting. The illumination of the focuser is also sufficient for full format sensors.

Recommended correctors:

TS 2.5" full format corrector with image flattening - TSFLAT2.5: The focal length is not changed, the recommended distance from the M69 thread of the corrector to the sensor is 88mm, the corrector fits directly to the M68 thread of the focuser.

TS 0.79x PHOTOLINE focal reducer and corrector - TSRED379-130: The focal length is reduced to 719mm, the focal ratio improves to f/5.53, recommended distance from the M48 thread of the corrector to the sensor: 55mm, the corrector fits directly to the M68 thread of the focuser.

Characteristics:

• High quality air spaced triplet-ED primary lens
• Temperature compensated lens cell
• Aperture 130mm, focal lenght 910mm, f/7.0
• Multi-coatings on any glass-air surface
• 2.5" R&P focuser with micro reduction

• Optical tube 130/910mm
• Dew cap, retractable
• 2.5" R&P focuser with micro reduction
• Reductions to 2", 1¼"
• CNC Tube rings
• GP level dovetail