Svbony SV152 Astronomical Telescope Eyepiece Crosshair Eyepiece Darkfield Illumination with Crosshair LED Illumination 20mm SWA for Astrophotography

The SV152 crosshair eyepiece is ideal for astrophotography guiding when used with off-axis guiders or guide scopes. The illuminated crosshair eyepiece is precisely centered in the eyepiece's field of view. Guides are easy to follow and provide accurate results The SV152 crosshair eyepiece has a wide 70 degree apparent field of view, making object acquisition and centering easy. 16mm eye relief so you don't have to worry about the target disappearing quickly This SV152 illuminated single crosshair eyepiece has brightness adjustment function. Low brightness and relatively low energy consumption. It can extend the life of the illuminator. With crosshair for illumination Standard 1.25" filter thread is compatible with all 1.25" standard equipment. The internal threading of the eyepiece can sufficiently suppress the reflection of internal stray light. Provides a bright view with high contrast Fully guided astrophotography. Crosshairs for easy use and adjustment. Excellent for accurate polar positioning and conformal positioning. Fully multi-coated broadband green optics with superior optical performance, giving great clarity This SV152 20mm premium 1.25-inch wide-angle eyepiece includes an illuminated single crosshair reticle that greatly simplifies centering of celestial objects within the eyepiece for more accurate aiming alignment and tracking. Supports centering guide stars and target objects in astrophotography Fully multi-coated optical system Fully multi-coated optics in 4 groups and 5 elements allows more light to pass through the eyepiece for clear, high-contrast images What's important is perspective The 70 degree wide apparent field allows you to find objects and alignment stars more easily than shorter focal length eyepieces. 16mm eye relief allows you to easily spot and locate target objects adjustable brightness External lighting with crosshair for illumination, brightness can be adjusted. Low gear and low energy consumption Best eyepiece not only for astrophotography The SV152 crosshair eyepiece has other uses as well. The lighting part of the product is removable. This allows it to be used as an illumination eyepiece. You can remove it and use it as a normal eyepiece humanized design Included rubber cap, keep eyepiece clean in all directions Smooth and stable focusing ring with anti-slip rubber ring Internal matte thread to reduce stray light entering the eyepiece Note: Due to the crosshair in the field of view, it is not recommended to use the illuminated reticle eyepiece for normal telescopic viewing 1. Brand: SVBONY 2.Model: SV152 3. Eyepiece port: 1.25" 4. Focal length: 20mm 5.Coated lens: FMC 6. Reticle: Single crosshair 7. Lens groups: 4 groups/5PCS 8.Pupil diameter: 16mm 9.Field of view: 70 degrees 10.Field stop: 25mm 11. Thread: M28.5*0.6 12.Material: Metal 13.Eye cup type: rubber 14.Lighting type: LED, adjustable brightness 15. Power: 2PCS 1.55V voltage (AG5 alkaline button) 16. Weight: 221g / 7.8oz 17.Size: 75*53*102mm Package includes: 1X 1.25" SWA 70 degree F20mm eyepiece 1X LED illuminator 1X 2 pcs rubber eyepiece caps 1X Two 1.5V button cells 1X mirror cloth