TS-Optics Eyepiece Expanse 17 mm Wide Angle 1.25 and 2 inch connection

TS-Optics Eyepiece Expanse 17 mm Wide Angle 1.25 and 2 inch connection

Top-of-the line eyepiece for visual observation and photography also.
Manufacturer : TS Optics
SKU : TSO-EXP17
Price: 159.00 € incl tax 19% (Germany)
Estimated delivery time : 1-4 days
Product description
TS-Optics Eyepiece Expanse 17 mm Wide Angle 1.25 and 2 inch connection

The TS Expanse eyepieces are ideally suited for nearly all kind of telescopes. Image resolution and observing comfort are exceptional and can compete with all other brands in this price range. Even with fast systems (e.G. f/5 Newtonians), the Expanse series offers high of-axis sharpness. With the long eye relief and big lens, these models are not only good for visual purposes but also for photography.

The TS Expanse series offer big eye lenses and a long eye relief of 20 mm. So you are able to enjoy these eyepieces even when you wear eyeglasses! Viewing position is very comfortable, even with high magnifications.

TS Expanse eyepieces come with an integrated M43x0.75 thread. Just screw off the rubber eyeguard and you can attach over an optional T2 adapter your camera. Also you can use this eyepiece with 1 1/4 and 2". You only have to change the barrel.


Delivery contents
  • Eyepiece
  • Dust caps

Products specifications
EyegardRubber foldable for eyeglas wearers
Eye relief20 mm
CoatingFully multicoated
Type of eyepieceWide angle eyepiece
Lenses / groups8 / 5
Focal length17 mm
Field of view70°
Barrel size / Filter thread1 1/4" and 2" with Filterthread
Camera threadM43x0,75 (with adapter T2)
Height110 mm
Weight15.8 oz
Diameterca. 60 mm