| M42*0.75 3mm length extension tube |
| M42*0.75 4mm length extension tube |
| M42*0.75 5mm length extension tube |
| M42*0.75 7mm length extension tube |
| M42*0.75 10mm length extension tube |
| M42*0.75 12mm length extension tube |
| M42*0.75 15mm length extension tube |
| M42*0.75 20mm length extension tube |
| M42*0.75 30mm length extension tube |