♦ The corrector is specially calculated for the 125 mm f/7.8 objective and offers the best possible performance. TS 0.8x Photoline focal length reducer and corrector - TSRedM63-125 If it is removed, the working distance increases from 150 mm to 210 mm, for example for binoviewers or reducers. ♦ Built-in extension with M95x1 connection thread and 60 mm length. ♦ 2" and 1.25" self-centering accessory adapters
♦ M68x1 female thread for further adaptations ♦ Adjustment by rack and pinion - no friction - no yielding, unlike a Crayford focuser The illumination is sufficient for full-frame size sensors.
The focuser holds camera-side accessories up to approx. The 2.5" RPA focuser is a good alternative to the well-known Starlight FeatherTouch FTF25 - with a quality very close to it.
#TELESKOP SERVICE PHOTOLINE PORTABLE#
♦ Weight: 7.57 kg - very portable and small mounts like the EQ5 or Celestron Advanced VX can carry the apo. ♦ CNC tube rings with GP/EQ5 style dovetail bar ♦ Stable aluminum tube with internal baffles ♦ If using binoviewers or extreme reducers (Riccardi), the working distance can be extended to 210 mm. ♦ Working distance 150 mm from the 2" receptacle ♦ Direct M68 thread connection for correctors and reducers ♦ 2.5" RAP Photoline dual-speed rack and pinion focuser - holds accessories up to 5 kg ♦ Temperature-compensated, fully adjustable cell made of metal. ♦ Air-spaced dublet objective with no relevant chromatic aberration - special glasses FPL53 (from Ohara) and lanthanum glass. The advantages and features of the Photoline 125 mm f/7.8 apo: 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. The image quality is comparable with three-element lenses. 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. This apochromatic refractor is equipped with one the best objectives of its class. Teleskop-Service focuses on uncompromising optical and mechanical quality with the PHOTOLINE APO series. ♦ Finder shoe for standard finder holder is mounted on the eyepiece focuser ♦ Weight includes rings: 7.57 kg - good for transport ♦ The dew cap can be slid in for transport. ♦ CNC tube rings, finder shoe and GP style dovetail bar are included. ♦ Working distance 150 mm from the 2" receptacle - if the extension between tube and focuser is removed, the working distance increases to 210 mm. ♦ Innovative compression ring lock for perfect seating of the 2" accessories on the axis. ♦ M68x1 thread (female) for threaded adaptions, 2" and 1.25" receptacle are available. ♦ One of the best 2.5" focusers of its class with 360° rotation, ball bearings - adjustment via rack and pinion - dual speed - motor focus retrofittable. ♦ Internal baffles and multi-coating on every glass-air surface for optimal contrast. ♦ Image without chromatic aberration through "Extra-Low-Dispersion" FPL53 APO element from Ohara (Japan) and lanthanum element - with this combination, optimal chromatic correction is achieved. ♦ Aperture 125 mm / focal length 975 mm / focal ratio f/7.8 Teleskop-Service Photoline apochromat with 125 mm aperture f/7.8 with perfect chromatic correction and photographic 2.5" R&P focuser.