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 Products specifications
Eyegard | Rubber foldable for eyeglas wearers |
Eye relief | 20 mm |
Coating | Fully multicoated |
Type of eyepiece | Wide angle eyepiece |
Lenses / groups | 8 / 5 |
Focal length | 17 mm |
Field of view | 70° |
Barrel size / Filter thread | 1 1/4" and 2" with Filterthread |
Camera thread | M43x0,75 (with adapter T2) |
Height | 110 mm |
Weight | 15.8 oz |
Diameter | ca. 60 mm |