Available in two focal lengths: 600mm and 900mm, with options for multi-layer blue or green film coatings.
Constructed with durable aluminum alloy, featuring an oxidized black surface for improved durability and aesthetics.
Compatible with 110mm PVC pipes for easy DIY telescope assembly and customization.
Precision-engineered with tight tolerances to ensure optimal performance and image clarity in astronomical observations.
Description
Refractive astronomical telescope objective lens D=106mm
Diameter: 106mm
The focal length F: 600mm Blue Film / 600mm Green Film / 900mm Blue Film/900mm Green Film Optional
Coating:
D106F600 Multi-layer blue film coating: four-sided multi-layer blue film;
D106F600 Multi-layer green film coating: four-sided multi-layer broadband film (400-700nm);
D106F900 Multi-layer blue film coating: four-sided multi-layer blue film;
D106F900 Multi-layer green film coating: four-sided multi-layer broadband film (400-700nm)
Combined image :1/4-1/8
Diameter tolerance :+0/ -0.12mm
Center thickness tolerance :±0.2mm
Focal length tolerance :±0.1%
Finish :60/40
Eccentric :1'
Note: two refracting double separation objective groups, which are used for astronomical telescope objectives and collimating objectives.