Pre-Owned - AstrHori 25mm F2.8 2x-5x Ultra Macro Lens for Nikon Z-Mount
The AstrHori 25mm f/2.8 2x-5x Ultra Macro Lens for Nikon Z-mount is a specialized manual-focus, full-frame macro lens. It delivers extreme 2:1 to 5:1 super-macro magnification, extending from 95mm to 174mm in length, and does not support infinity focus.
Key Specifications
• Focal Length: 25mm (manual focus only)
• Aperture Range: f/2.8 to f/16 with clicked full stops (8-blade diaphragm)
• Magnification: 2:1 to 5:1
• Optical Design: 10 elements in 7 groups (2 ED and 2 high-refractive index elements)
• Working Distance: 37.5mm to 45mm (approx. 1.5" to 1.8")
• Weight: 1.0 lb (474g)
• Mount Compatibility: Nikon Z (also available for Sony E, Canon RF, Leica L, Fuji X)
Pros and Cons
• Pros:
• Inexpensive entry point for high-magnification (up to 5x) super-macro photography.
• Solid all-metal build quality.
• Compact and relatively lightweight for an ultra-macro tool.
• Cons:
• No electronic contacts (manual aperture reporting and manual IBIS configuration).
• No infinity focus (strictly built for close-up/macro work).
• Very shallow depth of field and high light loss at 5x requires strong external lighting and a focus rail/tripod.