Petzval Refractor Astrograph Lens | SVBONY SV545
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Key Features
- Advanced 3G5E Petzval APO Design
- Built-in Flat Field for Perfect Frame
- Integrated Focus with EAF Readiness
- Universal Compatibility & Easy Integration
- Robust Build for Demanding Conditions
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Customer Reviews
Lingcod
Mar 04, 2026
I was only able to gather 20x240-second subs for a paltry total integration time of 1 hr 20 min, but this was first light with my new widefield scope. The weather here in southern Puget Sound has not been favorable for astrophotography. Location and date - outdside Olympia, WA, USA, 2/15/2026 Telescope - SVBony SV545 (203mm focal length) Mount and guide scope - AM5, Askar 32mm guide scope Camera and filter, ZWO MC2600MC Pro, SV220 dual narrowband Ha03 filter Processing - ASI Studio stacking, Pixnsight, Blur-, Star-, and Noise-X, Seti Astro Statistical Stretch, Narrowband Normalization, Topaz Denoise
| Model | SV545 |
| Objective Type | Petzval Design（5 Elements in 3 Groups) |
| Aperture | 45mm |
| Optic Coated | FMC |
| Focal Length | 203mm |
| Focal Ratio | f/4.5 |
| Focuser | Helical |
| Lockable 360º rotator | Yes |
| Mount Type | Dovetail Plate |
| Back-end connection | M48x0.75 male thread |
| Estimated weight | 2750g |
Package Includes:
- Astro APO Camera Lens
- EAF Mount Kit
- Handle with integrated Vixen Finder saddle
- Dovetail plate
- Camera Angle Adjuster
- 2" Filter Holder (assembled with the Lens)
- Plastic Lens Cover
- M48 Metal Lens Cover
- Soft Padded Case
- Wrench& Screw
- Instruction Manual
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