Samyang, a Korean producer of lenses for DSLRs, SLDs and a variety of other cameras, has an extensive collection of prime manual-focus-only lenses which bright maximum apertures. These are comparable in specifications to those from high-end brands but cost noticeably less.
The entire Samyang lens lineup is now in the Neocamera Lens Database. With the 24mm F/3.5 Tilt-Shift lenses, Samyang is the first third-party producer of Tilt-Shift lenses in our database. Do not worry, when comparing lenses in search results, Manual Focus only lenses will be marked when mixed with Autofocus ones.