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

Recent content by alv_23

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    Food for insect eaters?

    Hello everyone! I jave 2 feeders (one with seeds and the other with fat balls or nuts) in my garden. I just put them yesterday so still have to see results. Yesterday I saw like 6-8 iberian or european chiffchaffs and, after reading a bit about them I have discovered they eat small insects, so...
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    Beahaviour books

    Thank you guys, I'll start with the wisdom of birds and then follow with the other recomendations.
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    UV/polarized filters?

    Thank you guys. I've finally bought a clear protective filter from Hoya, so that it wont create distorsion as some cheap UV filters do and neither reduce light. I was affraid about damaging the main lens because the scope has been a huge investment for me, so I think it's worth it.
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    Beahaviour books

    I'll take a look to those two. Thank you guys!
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    UV/polarized filters?

    Hello everyone, I've just received my new kowa 663M (my first scope) and I'd like to add a filter to protect the main lens. So, now I doubt between a clear lens, an UV one or a polarized one. What do you recommend me? And which brand? I've seen that here in Spain 'Hoya' lenses are available...
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    Beahaviour books

    Hello everyone, I'm trying to learn as much as possible about birds and I'm looking for a book about bird behauviour, I mean, a book that explains why and how they behave. Any recommendation?
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    Kowa TSN-663M vs Nikon Monarch 60ED-S vs Vortex Viper

    Thank you! I'll take a look to that x30, but it'll have to wait as I'll have to save a bit and i want to buy the photography kit first.
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    Kowa TSN-663M vs Nikon Monarch 60ED-S vs Vortex Viper

    Hi! I've just purchased the Kowa 663M with the 20-60 eyepiece. Going to receive it this week. Now I'll save a bit of money and but the photography kit wo that I can use it with my sony a6000.
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    Kowa TSN-663M vs Nikon Monarch 60ED-S vs Vortex Viper

    So, the Nikons have better image quality? (talking about that ED82A and the ED60A). If that's the case I think I can spend a bit more and get them. Another consideration is how easy is it to get fixed opticals, as the Kowa just has the 20-60 and a 30 if I don't remember bad.
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    Kowa TSN-663M vs Nikon Monarch 60ED-S vs Vortex Viper

    Hello everyone, I'm looking for my first scope and I have tons of doubts, but after having read a lot of reviews and articles, I've decided that I'm going to buy one of those 3 scopes. Now, with a budget of 1200-1300€, which one do you consider offers the most for that price?
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    Hello from Barcelona

    Hello everyone, I hope I can learn a lot from you guys about this great world of flying creatures. I've started recently to learn (Despite being interested since I was a kid, mainly because I have some birds at home) so I've tons of questions and doubts. Regards
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