Welcome to bh-camera.com
bhcamera.us store
 
Dayi Camera
Gaoersi Camera
Shen hao Camera
wilderness Camera
Accessories

 
 

Twitter@bhcameraus

Facebook:bhcamera us


How to payment

Contact us:

How to calibrate a lens



 

 use the ground glass to check focus

 

 

loosen the lens ring ( upper picture , loosen the two screws on each side of the lens ring first ), move the Barrel in or out ( clockwise or anti-clockwise ), focus to infinity using the ground glass . After finished,
tighen lens ring & retighten two screws.

 check focus ring, if it's not in correct place

take the front & rear elements of the lens out of the shutter, open all shutter blades

use tools to loosen the ring a bit

until you can move the infinity mark back

retighen the ring ensure that it's tight. This action won't influence the focusing distance.

 


Home |Payment |Contact us

Powered by bh-camera.us Inc.

bh-camera.com

中国网络摄影