How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Russell A. Your Own Question
Russell A.
Russell A., Camera and Video Technician
Category: Camera and Video
Satisfied Customers: 5042
Experience:  30 years of experience as a TV station technician gives me a unique understanding of technical equipment issues.
Type Your Camera and Video Question Here...
Russell A. is online now
A new question is answered every 9 seconds

When I changed len on my Nikon d80 the clock sign starts to

Customer Question

When I changed len on my Nikon d80 the clock sign starts to blink along with the letter F
JA: How long has this been going on?
Customer: It only happens with the one len
JA: What troubleshooting have you tried?
Customer: I haven't tried anything yet, new to photography
JA: The camera expert can solve this for you. Anything else you want him to know before I connect you two?
Customer: What does the blinking means? Is something wrong with that particular len?
Submitted: 1 year ago.
Category: Camera and Video
Expert:  Russell H. replied 1 year ago.

Hi, thank you for contacting My name is***** will do my best to provide the right answer to your question.

That one lens may be either defective or incompatible. To check on the latter possible cause of the fault, please use the Reply To Expert function to let me know, what maker and model the apparently defective/incompatible lens is.