- 4mm Focal Length
- 20mm Long Eye Relief
- 58° Apparent Field of View
- 7 lens elements in 4 groups
- Twist up rubber cubs for comfortable viewing
- Fully coated for maximum light transmission
- Blackened lens edges
- 5 Years Genuine Warranty with Sky Watcher Australia
This Long Eye Relief Eyepiece with 4mm Focal Length from Sky-Watcher provides a huge 58° apparent field of view. Now you can come out and check a wider vision of the night skies. Long Eye Relief Eye Pieces come with 20mm Long Eye Relief and a twist up rubber cups for comfortable viewing. The design delivers an edge-to-edge blackened lens edges that provide the highest contrast images attainable. It was finished with anodized aluminium with rubber grips.
Product Features in Detail
Edge-to-edge blackened elements
The 7 lens elements in 4 groups deliver edge-to-edge blackened elements with the highest contrast images attainable.
Loads of advantages
SP series eyepieces minimize spherical abberation, distoration, astigmatism and off-axis color white oversize optical elements afford the observer luxurious eye relief.
Twist up rubber eyecups
Stray light is eliminated by the twist up rubber eyecups standard for comfortable viewing.
Focal length variants
The focal length available at 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 15mm. The apparent field of view is 58 degrees.
Focal length 4 mm Eye Relief 20 mm Apparent field of view 50° Lens elements/groups 7 lens elements in 4 groups
This product comes with 5 Years Genuine Warranty with Sky Watcher Australia.
Our products are sourced from authorised Australian suppliers and therefore come with genuine Australian warranty.
Camera Warehouse does not participate in 'Grey Market' or 'Parallel Import' activities.
- In the Box
Sky-Watcher 4mm 58 Degree Long Eye Relief Eye Piece
5 Years Genuine Warranty with Sky Watcher Australia
- User Reviews