• SVBONY SV555 54mm Astrograph Camera Lens — Wide-Field Astrophotography Lens for DSLRs and Mirrorless Cameras
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SVBONY SV555 54mm Astrograph Camera Lens — Wide-Field Astrophotography Lens for DSLRs and Mirrorless Cameras | Telescope Wolves

SVBONY SV555 54mm Astrograph Camera Lens — Wide-Field Astrophotography Lens for DSLRs and Mirrorless Cameras | Telescope Wolves

$699.99
$699.99
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The SVBONY SV555 is a 54mm f/4.5 astrograph camera lens — a small, fast apochromatic telescope built specifically for wide-field astrophotography with DSLR and mirrorless cameras. With a short 243mm focal length it frames large targets like the Andromeda Galaxy, the North America Nebula and sweeping Milky Way regions in a single shot, while its fast f/4.5 optics gather light quickly for shorter exposures.

Its Petzval design builds the field flattener into the lens, so stars stay pinpoint-sharp right into the corners of a full-frame sensor without a separate flattener. Two extra-low-dispersion (ED) elements keep colour tight and clean.

Who it's for: Astrophotographers who want grab-and-go wide-field imaging on a star tracker or small mount, with no separate flattener to configure. Learn the fundamentals in our beginner's guide to astrophotography.

  • Fast 54mm f/4.5 optics: quick light-gathering for shorter deep-sky exposures.
  • Wide 243mm field: frames large nebulae, galaxies and Milky Way regions in one shot.
  • Petzval APO design: five elements in three groups (two ED) with a built-in flattener.
  • Full-frame coverage: 44mm image circle keeps stars sharp to the corners.
  • Helical focuser + M48 back: smooth focusing and a standard 2" M48x0.75 camera connection.
Specifications
Type Petzval APO astrograph / camera lens
Aperture 54mm
Focal length 243mm
Focal ratio f/4.5
Optical design 5 elements in 3 groups (2 ED), fully multi-coated
Image circle 44mm (full-frame)
Focuser Single-speed helical
Camera connection 2" M48x0.75 female thread

Is the SV555 a lens or a telescope?
Both, in effect — it's a small apochromatic telescope optimised to work like a fast telephoto lens for astrophotography, mounting to your camera via a T-ring.

Do I need a separate field flattener?
No. Its Petzval design has the flattener built in, so stars stay sharp to the corners of a full-frame sensor out of the box.

What can I photograph with 243mm?
Large deep-sky targets — the Andromeda Galaxy, the North America and Veil nebulae, and rich Milky Way star fields.

What cameras does it fit?
DSLR and mirrorless cameras with a full-frame or smaller sensor, connected via the appropriate T-ring to the M48 thread.

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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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All telescopes on Telescope Wolves are hand-picked with beginners in mind. If you're unsure which telescope is right for you, check out our Telescope Buying Guide.
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