-
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.
Docter Aspectem 40x80 ED (1 Viewer)
- Thread starter AlbertoJ
- Start date
mayoayo
Well-known member
Hi there...I was curious about this model after reading your post and found some reviews and discussions in Cloudy Nights.The most comprehensive review I found was in Binomania..Lots of info
http://www.binomania.it/binocoli/Docter_aspectem/docter_aspectem_1.php..
They seem to compare them more directly with Kowa´s Higlander ,for their obvious similitud, but I am sure there are comparisons with other optics..To me the only comparison that jumps out inmediately is price..the Docters are priced at 3500 Euros ...!!!
http://www.binomania.it/binocoli/Docter_aspectem/docter_aspectem_1.php..
They seem to compare them more directly with Kowa´s Higlander ,for their obvious similitud, but I am sure there are comparisons with other optics..To me the only comparison that jumps out inmediately is price..the Docters are priced at 3500 Euros ...!!!
binomania
Well-known member
Hello. thank you for reading my review on my website. Personally i prefer the giant binoculars for the visual observationss.Now i use, with profit, an exemplar of Kowa Highlander Prominar 32x82(and 50X eyepieces) But i own only a Kowa 883, principally for digiscoping. You can find a review of the 883 on my website.and , if you want, . You can read some information on the binomania forum. I will confirm you that for prolonged observation, the binoculars are the most restful. I can watch the birds of prey, the aircrafts or the panorama ,for many hours, with the Aspectem or the Highlander without tire my eyes. The spotting scopes are more strenous but lighter and its have a better focus to pursue the subject in the short-medium distance. I can not tell you if is better a spottingscope or a large pair of binoculars. They are completely different! Best Regards from Italy
binomania
Well-known member
Good evening. I am glad that you are able to read my italian review on my website, binomania.it. I used for two years Docter Aspectem 40X80 . A few months ago I bought the Kowa Highlander Prominar 32x82 (and 50X eyepieces) and I also have a Kowa 883 that I use primarily for digiscoping. For this reason, I hope to help you. I can confirm to you that for the prolonged observations the binoculars tire less the eyes, respect the Kowa 883.
Obviosly the Kowa 883 is lighter, portable and enables you to quickly see also subject to short-medium distance. I can not tell you if it is better a binoculars or a spottingscope, because they are very different. In any case, if you love to observe over long distances and for many hours the binoculars are winning.
The main advantage of the Highlander , respect the Docter 40X is its excellent color rendering (the white are white) and the ability to change eyepiece (20X, 32X and 50X)
. However, the Docter 40X80 is really very good and its 84 degrees of field are perfect in many occasions. However, often, 40X are too many in daytime use. You should consider the 20-50x zoom version but the real field is less than the 84 ° of 40X version. In addition, the Docter is not angled and you may tire your neck looking raptors who are high in the sky. We have discussed many times on my binomania forum . If you want you can also find a review of Kowa 883 on my website.
If you have any other questions I will try to answer you in my bad English
Best regards
Obviosly the Kowa 883 is lighter, portable and enables you to quickly see also subject to short-medium distance. I can not tell you if it is better a binoculars or a spottingscope, because they are very different. In any case, if you love to observe over long distances and for many hours the binoculars are winning.
The main advantage of the Highlander , respect the Docter 40X is its excellent color rendering (the white are white) and the ability to change eyepiece (20X, 32X and 50X)
. However, the Docter 40X80 is really very good and its 84 degrees of field are perfect in many occasions. However, often, 40X are too many in daytime use. You should consider the 20-50x zoom version but the real field is less than the 84 ° of 40X version. In addition, the Docter is not angled and you may tire your neck looking raptors who are high in the sky. We have discussed many times on my binomania forum . If you want you can also find a review of Kowa 883 on my website.
If you have any other questions I will try to answer you in my bad English
Best regards
Last edited:
Hello Piergiovanni, thank you for reply.
I know there isn´t so many people who can compare Docter and alpha spotting scopes.
I had read yet your review in your page Binomania. I´ll read in Binomania forum too.
I´m only interested in 2 eyes view, and as spotting scopes don´t work with binoviewers, the only ways are double spotting scopes (Kowa highlander, Docter 80 ED) or any astronomy refractor with binoviewer (weight, big, non rugged, non water resistant).
My question is only refered to optical quality. I know Docter 40x80 has 84º almost perfect field correction to the edge, but I don´t know if its contrast is good enough compared to Kowa 883, Leica 82, Zeiss 85, Nikon EDG, or the new Swarovski.
I don´t know if Docter is a step below them optically.
Alberto
I know there isn´t so many people who can compare Docter and alpha spotting scopes.
I had read yet your review in your page Binomania. I´ll read in Binomania forum too.
I´m only interested in 2 eyes view, and as spotting scopes don´t work with binoviewers, the only ways are double spotting scopes (Kowa highlander, Docter 80 ED) or any astronomy refractor with binoviewer (weight, big, non rugged, non water resistant).
My question is only refered to optical quality. I know Docter 40x80 has 84º almost perfect field correction to the edge, but I don´t know if its contrast is good enough compared to Kowa 883, Leica 82, Zeiss 85, Nikon EDG, or the new Swarovski.
I don´t know if Docter is a step below them optically.
Alberto
binomania
Well-known member
Hola.. with extreme confidence I can tell you that the Docter Aspectem provides better images than "all" spotting scopes you've mentioned.
This for various reasons
1) You use two eyes and your brain processes the best images from the two eyes respect with one eye..
2) Docter is not a refractor with binoviewers but is like two spotting scopes aligned.
In this way you have greater light and the brightness respect a spotting scope of 80mm.
When I had the new Swarovski ATX 95 in test, the Kowa Highlander, at similar magnification, was brighter than the spotting scope
It's also more easy perceive the faintest details..
Best Regards
Pier
This for various reasons
1) You use two eyes and your brain processes the best images from the two eyes respect with one eye..
2) Docter is not a refractor with binoviewers but is like two spotting scopes aligned.
In this way you have greater light and the brightness respect a spotting scope of 80mm.
When I had the new Swarovski ATX 95 in test, the Kowa Highlander, at similar magnification, was brighter than the spotting scope
It's also more easy perceive the faintest details..
Best Regards
Pier
Well, if we are talking about 2 eyes view, we can compare Docter to Kowa Highlander FL.
Highlander FL has the same optics as TSN 883, isn´t it?
I´ve read your review comparing Docter and Highlander, and I´ve read Docter has less CA (chromatic aberration), but I haven´t understood which of them has a better contrast in the center of field
Highlander FL has the same optics as TSN 883, isn´t it?
I´ve read your review comparing Docter and Highlander, and I´ve read Docter has less CA (chromatic aberration), but I haven´t understood which of them has a better contrast in the center of field
Last edited:
binomania
Well-known member
Hello. I start by saying you that for me and my friends it is very difficult to make a comparison between these two binoculars.
My Docter Aspectem has fixed eyepieces (40X) while Kowa Highlander can fit 20X-32X and 50X eyepieces (with less FOV)
. I can tell you that the differences in contrast, are really minimal and often it is hard to notice them. The kowa has a cool tone as all optical fluorite, Docter has a warm tone. For this reason, in certain conditions, the Docter seems to give more contrast respect the japanese binocular. My friends and I prefer sometimes the Docter sometimes the Kowa. If you do not judge by the price, I suggest you the Kowa which is also built very well and is angled (more confortable for a birders)
Kowa is a tank. The Docter is a great binocular for it purchase price and, thanks to the porro prism, its performance is very high. I love also his flat field and the great 84° AFOV . At a glance which i could suggest you? Inn general the Kowa but the performance difference is not proportional to the great difference in price.
My Docter Aspectem has fixed eyepieces (40X) while Kowa Highlander can fit 20X-32X and 50X eyepieces (with less FOV)
. I can tell you that the differences in contrast, are really minimal and often it is hard to notice them. The kowa has a cool tone as all optical fluorite, Docter has a warm tone. For this reason, in certain conditions, the Docter seems to give more contrast respect the japanese binocular. My friends and I prefer sometimes the Docter sometimes the Kowa. If you do not judge by the price, I suggest you the Kowa which is also built very well and is angled (more confortable for a birders)
Kowa is a tank. The Docter is a great binocular for it purchase price and, thanks to the porro prism, its performance is very high. I love also his flat field and the great 84° AFOV . At a glance which i could suggest you? Inn general the Kowa but the performance difference is not proportional to the great difference in price.
If optical quality is similar in both (even different wide field and correction to the edge), the questions to decide will be, as you have said:
-Right or angled.
-40X or 21X, 32X and 50X options.
-3500 € or 5700 €.
Thank you very much, Piergiovanni, your answers here and your comments at Binomania have been very useful for me.
-Right or angled.
-40X or 21X, 32X and 50X options.
-3500 € or 5700 €.
Thank you very much, Piergiovanni, your answers here and your comments at Binomania have been very useful for me.
