• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Search results

  1. Adey Baker

    Is it time to change to 4/3

    1.8kgs would be nice but I think it might be quite a bit heavier than that. It all depends on how much glass is in there. The 300mm F4 weighs 1475g with tripod foot and contains 17 elements. The Canon and Nikon lenses with a similar spec to the new Olympus lens - 200-400mm F4 and 180-400mm F4...
  2. Adey Baker

    Is it time to change to 4/3

    According to the 4/3 rumurs website, the price of the lens 'could' be announced at the same time as the news of the new E-M5 III is released, which they're predicting will be October 17th. Presumably, if Olympus are at the stage of saying how much it'll cost, they will have all the other specs...
Back
Top