TS PHOTOLINE 80mm f/7 ED APO with 3" Crayford Focuser (no field flattener)

TS PHOTOLINE APO Refractor 80mm f/7 - optimized for astro imaging - 3" Crayford focuser 1:11 dual speed

... optimal field illumination and contrasty images with ED glass

Our TS PHOTOLINE Apo 80/560mm convinces with a high grade of colour correction and a photographic field for full-format DSLR cameras. Its precise 3" Crayford focuser offers a non-vignetted field and more stability compared with a standard 2" focuser. The TS Photoline ED APOs are the new generation of refractors especially designed for deep sky imaging.

TS Photoline 80mm ED APO advantages:

• highly corrected and adjustable ED doublet system
• compact and transportable with retractable dew cap
• robust & oversized 3" Crayford focuser with 1:11 dual speed transmission (2" + 1.25" reducer included)
• CNC machined metal tube rings for strong mount connection

The hand-crafted lens with ED element is equipped with an adjustable and temperature compensated cell.Das handgefertigte Objektiv ist in einer justierbaren und temperaturkompensierten Fassung. It comes multi-coated on every glass/air surface.

A specialty: The 3" Crayford focuser for optimal illumination of large sensors

A 2" focuser causes vignetting when used with a large-format sensor and a fast system. The bigger 3" focuser supplied with this telescope guarantees an unvignetted visual and photographical field for sensors up to 24x36 mm.

• better mechanical stability with big ball bearings
• 360° rotation for perfect framing
• 1:11 dual speed focuser for precise focusing
• the large 3" TS Flattener screws directly to the M80 thread - no tilting!

The flattener has a free aperture of 68 mm and comes with a T2 reduction.

Technical details TS Photoline ED APO 80/560mm:

• hand crafted and adjustable 80mm f/7 doublet with ED element, fully multi-coated
• 3" Crayford focuser incl. reducer to 2" and 1.25"
• Dual Speed - Mikro transmission for precise focusing
• Resolution: 1.43"
• Limiting visual magnitude: 11m25
• Blackened lens edges for straylight suppression
• Retractable dew cap
• CNC machined tube rings
• Weight OTA incl. tube rings: 3 kgs

Scope of delivery TS Photoline ED Apo 80/560mm:

• Optical tube assembly with adjustable ED lens
• Front dust cover for lens
• 2" and 1.25" reducer with brass compression ring
• CNC tube rings