EDISLA
Svbony SV545 Petzval Refractor Astrograph Lens
Svbony SV545 Petzval Refractor Astrograph Lens
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Key Features
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Advanced 3G5E Petzval APO Design
Our 3-group, 5-element triplet Petzval APO structure ensures superior optical consistency and portability compared to complex 6-group all-separated designs—delivering exceptional sharpness with a simpler, more reliable form.
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Built-in Flat Field for Perfect Frame
Featuring a native flat-field design, it eliminates the need for external correctors—saving cost and setup time while providing edge-to-edge star clarity right out of the box.
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Integrated Focus with EAF Readiness
The one-piece helical focuser comes pre-equipped for Electronic Auto Focuser (EAF) mounting—enabling smooth, automated fine-tuning during imaging, unlike separate manual focus systems.
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Universal Compatibility & Easy Integration
Designed with standard threaded interfaces and ample back focus, it seamlessly connects to DSLRs, astronomy cameras, and filter wheels—streamlining your imaging train without adapters.
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Robust Build for Demanding Conditions
With an all-metal body, protective lens coatings, and sealed construction, it performs reliably in humid or dusty environments—made for lasting performance under the stars.
| Model | SV535 |
| Objective Type | 7-Elements in 5 Groups |
| Focal Length | 105mm |
| Focal Ratio | f/2.8 |
| Optic Coated | FMC |
| Focuser | Helical |
| Mount Type | Dovetail Plate |
| Back-end connection | M42x0.75 male thread |
| Estimated weight | 1500g |
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Talk to Us
Get expert guidance fast.
We Source It
Delivered within 4 weeks.
Enjoy It
Be happy with your gear.
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We list only in-stock items on our website that can be shipped right away. Sold out products are out of stock, so you can't place an order.
Selected products are available for Preorder, with a guaranteed delivery within 30 days or your money back.
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We process and ship all orders within two business days. Shipping time is determined by the speed of the shipping partner.
Is there a guarantee on your products?
Yes. On top of the manufacturer's warranty, we also offer a Replacement Guarantee on all online orders. In the event that the product is defective or damaged during shipping, you will receive a replacement.
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We'll refund you 90% if you cancel before dispatch. Cancellations after dispatch are complicated. Take a look at the our Policy here
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We have strict return/refund policies as a company that deals with fragile products. Casual returns are not permitted. Items that are not damaged in transit or defective cannot be returned.So please take a moment to review our Refund Policy.
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