Baader 2x VIP Modular Barlow - 1.25"
- Modular 2x Barlow Design
- 1.25" and 2" Barrel Compatibility
- Integrated T-2 Threads for Imaging
- Designed for Full-Frame Sensor Illumination
- Multi-Coated (MC) Optical Element
Find the focal ratio your camera wants for planetary imaging, and the Barlow that gets your telescope there.
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See exactly what the Baader 2x VIP Modular Barlow - 1.25" shows you, on real sky survey data.
Launch Visual AssistantThe Baader 2x VIP Modular Barlow - 1.25" delivers exceptional optical quality and a modular design that goes far beyond a standard 2x amplification factor. Its Visually and Photographically (VIP) optimized system is built around a T-2 thread interface, offering multiple configurations for both 1.25" eyepieces and direct camera attachment.
At its core, the VIP Barlow provides a high-contrast, sharp 2x magnification for any 1.25" eyepiece. The multi-coated optics are engineered to a standard reminiscent of legendary Zeiss designs, ensuring minimal light scatter and maximum throughput for observing subtle planetary details or splitting tight double stars. Unlike many barlows, the VIP is designed to fully illuminate a full-frame sensor, making it a powerful tool for imagers using larger format cameras.
The true strength of the VIP Barlow lies in its modularity. The main optical element can be unscrewed from the 1.25" nosepiece and used in multiple configurations to achieve a range of magnification factors. With the included adapter #29 (T-2 to M48), you can also attach the Barlow element directly to the 2" filter thread of an eyepiece; the magnification then depends on the distance between the element and the eyepiece's field stop.
For higher magnifications, the system's T-2 threads allow you to insert T-2 extension tubes between the optical element and the eyepiece holder or camera. This flexibility allows you to precisely dial in the optimal magnification for prevailing seeing conditions, replacing the need for multiple fixed-power barlows.
For astrophotographers, the integrated T-2 male thread is a critical feature. It allows you to connect a DSLR or dedicated astronomy camera directly to the barlow's optical element, creating a solid, threaded connection that eliminates the sag and tilt common with simple set-screw holders. This secure optical train is essential for maintaining sharp focus and collimation during an imaging session.
A standard barlow lens offers one function: a fixed magnification increase. While simple, this approach lacks the flexibility needed for modern astronomy, where observers frequently switch between different eyepieces and cameras.
The Baader 2x VIP Barlow is "modular" because its main optical lens cell can be unscrewed and reconfigured. You can attach it to the 2" filter thread of an eyepiece via the included adapter #29, add or remove T-2 extension tubes to vary the magnification, or screw it directly into a camera's T-ring. This allows it to function as multiple accessories in one.
The VIP Barlow features an integrated T-2 male thread. You can connect your DSLR or astronomy camera by using a camera-specific T-ring, which threads directly onto the barlow. This creates a secure, rigid connection ideal for astrophotography.
Yes. Removing one of the 15 mm T-2 extensions gives about 1.76x visually, and screwing the Barlow element directly into a standard DSLR T-ring gives about 1.8x. This is useful for making small adjustments to image scale.
An 8" SCT has a long native focal length. The Baader 2x VIP Barlow allows you to fine-tune your final focal ratio. You can use it in its standard 2x configuration or add T-2 extensions to increase magnification on nights of excellent seeing. Conversely, removing a 15 mm T-2 extension lowers the factor to about 1.76x, helping you perfectly match the planet's size to your camera's sensor pixels.
Yes, the Baader 2x VIP Barlow is optically designed to illuminate a full-frame sensor without significant vignetting (darkening at the corners). This makes it an excellent choice for capturing high-resolution mosaics of the Moon or wide-field planetary conjunctions with a full-frame camera.
| AR-Coating | Multi-Coated (MC) |
| Clamping System | Screw clamps |
| Barrel Size (in) | 1¼", 2" |
| Optical Design | Barlow |
| Speciality | Barlow lens |
| Inner Diameter / Clear Aperture (mm) | 28 mm |
| Focal length reduction | -65.5mm |
| Inner Connection (eyepiece/-camera-sided) | ø 1¼" (31.75 mm) |
| Outer Connection (eyepiece/-camera-sided) | M42 x 0.75 (T-2) |
| Inner Connection (lens sided) | M28, M42 x 0.75 (T-2) |
| Outer Connection (lens sided) | ø 1¼" (31.75 mm) |
| Weight | 220 g |
Baader 2x VIP Modular Barlow - 1.25"
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