The Argus Collectors Group is conducting a survey to identify the attributes of the main auxiliary lenses made for C4/C4R and C44/C44R cameras. The purpose of the survey is to document changes in features of the lensesover their production life. The results will be posted on the ACG web site.
If you have any of the following lenses, please enter information about them below. If you don't have a given lens, just leave the information blank.
Directions: Have your lenses handy, then proceed by answering each question, either filling in the blank space below the question (like serial numbers), or clicking on the dot to the left of the correct answer to select it. When you are done, click the 'Submit' button at the bottom of the form to send us the information.
If any of the features of your lenses don't match the choices provided, please describe them in the 'comments' section.
NOTE: The serial number is required with all lens entries. If you don't have the serial number, please skip that lens.
Serial numbers for these lenses are found either on the ring that encircles the front of the lens, or on the side of the lens barrel.
NOTE: the original 50mm f/2.8 Cintar lens has no serial number and is not covered in this survey.
Please enter the lens serial number
Which of the following names do you see on the labeling on the lens, near where you found the serial number:
Are the knurled ridges on the focus ring on the flat parts, or on the curved indented parts:
Original purchase date
If you know the date when this lens was purchased NEW, please enter that here:
Comments
Do you have any other comments about your lens:
Serial numbers for these lenses are found on the aperture ring, opposite of the side the f numbers are found.
NOTE: the original 50mm f/2.8 Cintagon lens has no serial number and is not covered in this survey.
Is the maximum aperture (smallest f stop number) 2.8 or 4.5:
If you have associated C4/C4R or C44/C44R cameras and would like to report their serial numbers, please enter them here -- any format is fine (we'll figure it out)
Please Enter Your Name
Please Enter Email Address: