SVBONY SV545 203mm f/4.5 APO Astro Camera Lens is a professional APO triplet refractor with a 44mm image circle and built-in field flattener for edge-to-edge sharpness. Dual focuser supports manual and EAF electronic focusing, while M48 threads, dovetail, and 2-inch filter support enable versatile setups. FMC coatings enhance light transmission, and the 360° lockable rotator ensures stable framing. Fast f/4.5, 203mm focal length captures wide-field galaxies and nebulae effortlessly.
  • 44mm large image circle: full-frame support with a 44mm large image circle delivers edge-to-edge sharpness; ideal for SV545 Astrophotography Telescope users capturing professional deep-sky images.
  • Wide-field & high-efficiency imaging: capture expansive star fields with the Astrophotography Telescope; Its 203mm focal length and fast f/4.5 aperture deliver high-efficiency imaging; maintaining stable performance in low-light conditions.
  • Precision petzval optics: Petzval lens features a 3-group; 5-element APO design that dramatically reduces chromatic aberration; Each frame delivers sharp stars and accurate color rendition.
  • Built in field flattener for edge-to-edge sharpness: SV545 Petzval lens features a built-in field flattener that corrects field curvature and minimizes optical distortion; Every corner stays tack-sharp; even on a Full Frame Astronomy Camera.
  • Precision focusing made easy: triplet refractor telescope features an integrated helical focuser for smooth; precise manual control; It also supports EAF electronic focusing for remote; automated operation.
  • Multi-compatible interface: apochromat triplet comes with a universal M48 thread and dovetail base; making it easy to mount on equatorial mounts or attach various cameras and accessories; It also supports 2-inch filters.
  • FMC coating for brighter; clearer views: SVBONY SV545 petzval lens adopts advanced FMC optics to significantly enhance light transmission and minimize surface reflection; This ensures brighter; higher-contrast images with vivid color fidelity.
  • 360° rotation: SV545 triplet refractor telescope features a 360° rotatable and lockable adapter; allowing you to freely adjust your camera to the perfect framing angle; Once set; the locking mechanism keeps your setup secure and stable.
  • M48 interface with 2-Inch filter support: designed for convenience; the apochromat triplet provides an M48 connection and integrated 2-inch filter holder; giving you more freedom to customize your imaging system.
 
Review about SV545
SVBONY
Go for Beauty Go for Svbony
The name of "Svbony"is born from our original intention——Specialized Vision Bring Our New Yearning.
In the beginning, we have a precise insight of the requirements for observation equipment among astronomy and bird - watching enthusiasts, and then we also noticed the backward mode of the traditional optical market. Therefore, Svbony dedicated to empowering astronomy telescope and spotting scope with smart vision technology, make users enjoy the convenience of observing, photography, and sharing simultaneously. At the same time, we strive to provide enthusiasts with affordable and satisfying products with exceptional quality,

Order Processing

Almost all of the standard orders are shipped within 1-2 business days, excluding weekends and holidays. The special orders for some customized products will take a little longer time, the specific time can be confirmed with our sales expert.

As soon as your order is ready, we’ll update the tracking number and inform you of the information.  If the item you ordered is temporarily out of stock, our customer service team will reach out to you. You can choose to wait until the item is back in stock or cancel your order.

 

Delivery Time

Delivery time depends on destination, logistics mode and other factors.

If the products that you purchased are available in our local warehouses, we will ship them from there and it takes about 1-6 business days for delivery as usual.
If the product you purchased is in stock at our warehouse in China, we will ship it from there. Delivery time is usually 5-9 business days.

Thank you for choosing SVBONY! We have established a strict system to ensure product quality in a responsible manner. These products are safe and reliable, and you can buy them with confidence. Should you have any issues, feel free to contact us. Our professional customer support team will patiently help you resolve the problems. We sincerely apologize in advance for any trouble and inconvenience that caused you.


Return & Refund

We offer a 30-day unconditional return policy.

1. You can get a full refund when you return an undamaged product for any reason within 30 days. Just make sure all products are in original condition and provide us with relevant pictures or videos to prove it.

2. If you are not sure whether the product is in brand new condition, you can contact us first. We can help you confirm and provide a return label. 

3. We will issue a refund immediately once the product arrives at our warehouse.Processing time usually takes 2-5 business days.

 

Warranty Time

We offer a 1-year warranty.

 

Guaranteed authentic, we are the official store of SVBONY brand, and the products sold are guaranteed to be authentic.

 

Guaranteed service, one-to-one exclusive customer service, answer all your questions and provide free professional technical support.

 

Guaranteed after-sales, all products purchased from SVBONY  enjoy worry-free warranty, your product warranty period is one year.

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