The function test comprises the following criteria:
- Mechanical function
(aperture ring, focusing mechanism, shutter)
- Diaphragm setting and function
- Image quality
- Flange focal distance
- Flash and insulation test
- Basic mechanical settings
- Optical cleanliness
To make sure your lens can be checked as quickly as possible...
- Please send your lens well packaged directly to us in Oberkochen, along with our
 test cover letter (15 KB). We are only able to process inquiries accompanied by a completed test cover letter.
- After your lens has been tested by our service engineers, you will immediately receive a test report informing you about the condition of the lens. If we feel that your lens is in need of repair, we will also send you a cost estimate.
- For the test including the test report, you will be charged € 49.- plus shipping costs and VAT. If you place an order for a repair, the cost estimate will be free of charge.
- After receiving our test report and cost estimate, you decide whether you wish to have your lens repaired.
Please also note:
Terms and Conditions of Repair (2 pages, 30 KB)
Terms and Conditions of Sale (3 pages, 45 KB)
|  Overview
 Repairs
Function Test |