TSFRE80T2

Codice articolo: TSFRE80T2

TS-Optics 80 mm angled finder and guide scope with 90° view - 1.25" and T2 connector

The angled finder allows the use of common 1.25" eyepieces and can easily be converted into a guiding telescope for astrophotography
♦ Achromatic, multicoated objective with 80 mm aperture and 330 mm focal length

♦ 90° angled view with upright and laterally correct image

♦ 1.25" receptacle with compression ring and helical focusing - many eyepieces can be used

♦ 360° swiveling of the Amici prism for optimal viewing

♦ Prism can be removed, then a T2 (M42x0.75) internal thread is available for further adaptations

♦ Long working distance of 90 mm from the T2 female thread

♦ Adjustable tube rings with knurled screws for exact alignment to the main scope tube

♦ Finder mount suitable for finder shoes from Vixen, GSO, Skywatcher, Celstron, etc.

TS Optics 80 mm angled finder with upright and non-mirrored imaging
The TSFRE80T2 is more than just a finder, it is a great wide field telescope. The fine 2-element 80 mm diameter objective already shows many hundreds of deep-sky objects. You can use conventional Plössl eyepieces, but also crosshair eyepieces. The finder bracket with the sturdy adjustable clamps fits into standard finder shoes like those from Skywatcher, Vixen, Celestron or TS-Optics.

With only a few steps you can convert the finder into a guiding scope for astrophotography
When the prism is removed from the tube, you will find a T2 female thread. You have a very generous working distance of 90 mm from the internal thread to the focus. So all common cameras and even correctors can be integrated. We particularly recommend the following adaptation:

♦ TSHeli1 Helical focuser with male T2 connection thread on the telescope side, the focuser fits directly into the female T2 thread. Working distance from T2 and 1.25" connection is from 33 mm to 43 mm.
♦ You can shorten the working distance with the matching T2 extension tubes. The extension simply goes between the finder and the helical focuser.

The TSFRE80T2 advantages and product features:

♦ High quality metal design for best possible stability.
♦ Good 2-element objective with multi-coating
♦ Focusing by twisting the 1.25" helical focuser on the eyepiece side for observation
♦ T2 internal thread available for conversion into a compact guiding scope
♦ Solid clamping by compression ring
♦ Upright and laterally correct image due to the 90° Amici prism
♦ The viewing position can be rotated in the desired direction
♦ Adjustable tube rings have metal screws with a plastic tip to avoid scratches on the telescope
♦ The finder fits into standard finder mounts as used by Skywatcher, Celestron, GSO ... [{Fitting eyepieces

Matching eyepieces and autoguiders for the TSFRE80T2:
The finder´s focus is about 5 mm above the 1.25" receptacle of the Amici prism. This is sufficient for many eyepieces, such as Plössl eyepieces. A very nice eyepiece for centering is the TSIR20 illuminated crosshair eyepiece, which is linked in the accessory recommendations.

The finder is suitable for autoguiding also without the T2 connector. However, the autoguider must have a 1.25" housing or you will not be able to get into focus. Using the T2 connector, on the other hand, you can get into focus with all cameras.

Aperture: 80 mm
Lens focal length: 330 mm
Weight with bracket: 1100 grams
Eyepiece side connection: 1.25" with compression ring
Focus position: 5 mm above the 1.25" receptacle of the prism
Connection thread tube/prism: M28x1
Outer diameter of the tube: 84 mm
Diameter of the dew shield: 90.4 mm
Intermediate thread for photo adaptations: T2 (M42x0.75) internal thread
Distance to focus from T2 thread: 90 mm