Key Features

• Clearer Imaging with APO Lens

  The SV555 features a 3-group, 5-piece Petzval objective lens, including a set of triplet lenses, offering exceptional clarity and sharpness for astrophotography, ensuring vivid and detailed images.

• Full-Frame Compatibility & No Aperture Blockage

  With a 44mm full-frame design, the APO telephoto lens avoids aperture blockage, providing clear images for mirrorless cameras, SLRs, and deep-sky cameras without any trouble.

• Precise Focus & Quick Setup

  Equipped with a single-speed focus system and an EAF-compatible mounting kit, the SV555 allows for fine adjustment, enabling accurate angle control and faster, hassle-free shooting.

• Wide-Field Petzval Design

  This lens features an ultra-wide field of view with pin-sharp stars from edge to edge and nearly zero chromatic aberration, perfect for capturing large celestial targets in high detail.

• Versatile Aperture Range & Easy Compatibility

  The aperture range from F22 to F4.5 accommodates various imaging needs, with a graded adjustment ring and scale for easy control. The M48x0.75 filter thread and V-style/Arca-Swiss compatibility make setup quick and efficient.