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  1. Berowne

    News from the Dragonfly

    The Improved Dragonfly telescope - made of 400/2.8 Lenses - seaches for galactic gas. Beautiful! :-)
  2. Berowne

    Uncle Rog's Investigation in Overheating

    Investigating the Canon R5 Heat Emission
  3. Berowne

    Uncle Rog's Teardown of the R5

    Taking Apart the Canon EOS R5 Mirrorless Camera
  4. Berowne

    Roger did it again: RF 70-200 Teardown

    The Not Very Long Awaited Teardown of the Canon RF 70-200mm f/2.8 IS
  5. Berowne

    The new RF-Lenses are to be seen at "The Photography Show"

    5 Canon RF lenses make European debut at The Photography Show
  6. Berowne

    Teardown of the new Sony Supertele 400/2.8

    Uncle Rog took apart the new Sony-Lens: The Great 400mm Teardown Comparison. Part II – The Sony 400mm f2.8 G
  7. Berowne

    Roger disassembled the new RF 50/1.2

    Uncle Rog did it again: Disassembly of the Canon RF 50mm f1.2L
  8. Berowne

    Rogers new "Geek Level III Article"

    Uncle Rog developed a Rapid MTF Testing for measuring rented lens at return and shows test series which offers "historical data" for individual lenses. Conclusion: Probably the most pertinent point for you guys is that lenses don’t change over time very much unless something happens.
  9. Berowne

    Roger took apart the Z7

    Uncle Rog's new Blog-Post: Teardown of the Nikon Z7 Mirrorless Camera Greetings Andy
  10. Berowne

    Teardown of the R-Camera

    Aaron and Uncle Rog dissect Canons new Mirrorless: Teardown of the Canon EOS R Mirrorless Camera
  11. Berowne

    Lensrentals.com: Nearly Complete Teardown of The Canon 70-200mm f/4L IS II

    Continue reading...
  12. Berowne

    Lensrentals.com: MTF Tests for the Canon 70-200mm f/4 IS II Lens

    Roger has made some OLAF-Testing with the updated 70-200/4. It’s really, really good. It’s extremely consistent with low sample variation. Optically it’s everything I hoped for. Actual reviews are starting to trickle in, and if the IS and autofocus are as improved as the optics, this should be...