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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. Mike Crawley

    New MM4 50 vs part-used Nikon ED50

    Aa the weight difference between the 50mm and 60mm is approximately 100g I wouldn't consider that to be significant
  2. Mike Crawley

    New MM4 50 vs part-used Nikon ED50

    . that's interesting to hear, I have been thinking about the Benro tripod that the RSPB sells. https://shopping.rspb.org.uk/binoculars-scopes/spotting-scopes/scopes-accessories/benro-wild-1-aluminium-birding-tripod.html priced at £150 but I would get my RSPB volunteer discount off that price...
  3. Mike Crawley

    New MM4 50 vs part-used Nikon ED50

    . it isn’t much bigger, you are correct, I’m sure there’s a straightforward calculation that shows the increase in light entering the ‘scope somewhere. If you intend to be out at dawn and dusk, every bit of extra light helps.
  4. Mike Crawley

    New MM4 50 vs part-used Nikon ED50

    I had a second hand Nikon 50mm 'scope - didn’t like it. Changed to an MM4 50mm, I felt it was a definite improvement. Looked through an MM4 60mm at Bird Fair and traded the 50 for a 60mm. Now I have an 80mm Swarovski ATS and an Opticron MM4 60mm. I seem to say this all the time but, honestly...
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