The MiniCat 51 WIFD is a fast, wide-field astrograph refractor designed primarily for astrophotography — especially for capturing star fields, nebulae, and other deep-sky targets. It combines a compact optical design with high image quality and portability, making it ideal for amateur astrophotographers and astronomy enthusiasts who want a lightweight system with serious performance.
The Petzval design inherently produces a flat imaging field, meaning no additional field flattener is required for most cameras — simplifying setup and reducing extra accessories.
Note about edge stars:
Because of the very fast optical speed (f/3.5), edge stars may not be perfectly round without software correction — APS-C sensors correct well with tools like BXT, while full-frame may take a bit more adjustment.
🛠️ Focusing System – WIFD (William Internal Focus Drive)
One of the standout features of this model is the WIFD focusing mechanism:
This telescope is especially well-suited for:
The MiniCat 51 WIFD is a professional-grade fast wide-field astrograph refractor that brings together:
It’s an excellent choice for astrophotographers looking for a compact but powerful imaging setup that excels at wide-field targets without the bulk of larger telescopes.