Here is a list of Tamron lenses for various mounts (Nikon, Canon, Sony, Pentax) that will no longer be repaired due to various reasons like parts shortage and parts discontinuation (see all current Tamron lenses):
- SP AF11-18mm F/4.5-5.6 Di II LD Aspherical [IF]
- SP AF17-50mm F/2.8 XR Di II LD Aspherical [IF]
- AF18-200mm F/3.5-6.3 XR Di II LD Aspherical [IF] MACRO
- AF18-250mm F/3.5-6.3 Di II LD Aspherical [IF] MACRO
- AF18-270mm F/3.5-6.3 Di II VC LD Aspherical [IF] MACRO
- AF 55-200mm F/4-5.6 Di II LD MACRO
- SP AF 17-35mm F/2.8-4 Di LD Aspherical [IF]
- AF 28-200mm F/3.8-5.6 XR Di Aspherical [IF] Macro
- AF28-300mm F/3.5-6.3 XR Di LD Aspherical [IF] MACRO
- SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] MACRO
- AF28-300mm F/3.5-6.3 XR Di VC LD Aspherical [IF] MACRO
- AF70-300mm F/4-5.6 XR Di LD MACRO
- SP AF90mm F/2.8 Di MACRO 1:1
- SP AF180mm F/3.5 Di LD [IF] MACRO 1:1
- SP AF200-500mmF/5-6.3 Di LD [IF]
Original document from Tamron Japan: