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  1. S

    Corncrake, Iona

    Thanks Rich. There is a thread on this from 2006 and I was worried the population there had declined since then or the iris beds were growing too high earlier in the season due to climate change. Stuart
  2. S

    Corncrake, Iona

    Does anybody know if Iona is still a good place to see corncrakes in early May?
  3. S

    SDL v3 Eyepiece Now Shipping

    Table attached I have attached the original table as a word doc. I also created a second table set out differently that some may find more useful. The main thing is to compare apparent field of view at the same magnification. This is the angle of light that hits the eye, rather than true field...
  4. S

    SDL v3 Eyepiece Now Shipping

    apparent field of view The main difference between the SDL2 and 3 is the field of view. For some reason Opticron don't quote the apparent FOV for either so I have measured them myself using this method at a range of magnifications (Kowa TSN2 which is the same as the MM4 77)...
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