The Sinar Wolf Alpina 45 is a 4x5 large-format view camera. Sinar is a Swiss manufacturer known for modular monorail and field cameras aimed at studio and landscape photographers.

Hammer prices in the UK auction market are limited by thin sample data, but a recent March 2026 result settled at £188 at saleroom level (wholesale, excluding commission). On that single data point, today's value sits around £190, though completeness of the rail, bellows condition, and included lens boards can shift what one sells for substantially.