Did you know that Nikon has replaced the aged rear cap (LF-1) with a new cap design (LF-4). The new rear cap has much larger lens contact surface area thus provides much better seal than the one it replaces. It also has much bigger grooves for better grip. I should have thought of this since Nikon replaced the body cap since the introduction of D3s. It changed from BF-1A to BF-1B.
The new body cap and rear cap have matching grooves. Each also sporting a notch so you can feel where they should be coupled together even if you are working in complete darkness! More over, they (BF-1B + LF-4) form a snug fit unlike the old design (BF-1A + LF-1). Those who have the old ones would understand why I am so excited about this point. It keeps dust from entering the caps and then transferred to the lens. Of course, following Nikon's tradition, the new cap would fit on all Nikkor lens including those with or without rubber gasket. :)
However, there is a catch. I have posted here a long time ago about the front cap for Nikon teleconverters. It is called BF-3A. The old BF-1A didn't fit on the teleconverters. On the other hand, teleconverter's BF-3A does fit on the camera body. Guess what, the new BF-1B doesn't fit the teleconverters either; and teleconverter's BF-3A is a snug fit with the new LF-4 rear cap, which as said goes onto both camera body and teleconverters. So, In my humble opinion, BF-3A still wins!
Anyhow, the new rear cap LF-4 is a very nice improvement. Well done Nikon!
PS Today, (5th Oct, 2011) a remarkable man left us - Steve Jobs. What an amazing human being didn't go with the norm (as Arnold Schwarzenegger said, 'Steve Lived the California Dream') and cheated the lethal pancreatic cancer for 7 years before leaving us, without not taking his pride - Apple - back to the top of its game and revolutionalised the way we communicate and bring technology into our lives. A paper says Jobs lost his battle to cancer. There is nothing further from the truth. Consider his achievements, contributions, inspiration and influence and the prognosis for pancreatic cancer. He achieved much more in his field than what most just dream about. Thank you Steve Jobs and rest in peace.
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