Bushnell Spectator 4x30mm Extra-Wide Compact Binoculars, 900' FOV Ideal for Sports or Stage Event Viewing

No tiene ajuste,por eso no me gusto mucho.

I give regular quarterly public outreach lectures for one of the largest astronomy clubs in the USA. My usual subject emphasis is on identifying constellations and a few Messier objects like the Andromeda Galaxy that are visible via naked eye. I also give a lecture on Opera Glass Astronomy where I compare the lower power binoculars (2 to 5x) to the higher power binoculars 7x and above. I personally own and have tested a large number of binoculars both modern and antique--ranging for a very wide angle 2.3 power to 18 power image stabilized.Powers above 7x and above are good night sky observations, but at that power experience and dexterity is needed to find one's target due to the relatively small field of view and difficulty keeping the binoculars steady.The 4x30 Bushnell binoculars are outstanding for astronomical observing primarily because of their wide field of view, brightness (relatively large front objective and 7.5 exit pupil), and fixed focus at infinity. The 17 degree field of view s enough to take in the bowl of the Big Dipper and Alioth, the first star in the handle. At 4 power, the views are not shaky like one encounters at the high magnifications. The fixed focus is good, because everything in the night sky is at infinity.Now don't expect to see a markedly enhanced detailed view of the moon, a spiral galaxy, or the rings of Saturn with this instrument. But they are the instrument of choice in my opinion for lovely widefield views and for showing the fainter stars, especially those of magnitudes 5 and 6.I enthusiastically recommend for their size, weight, utility, and excellent price point. I have no association with the company or any distributor. I was prompted to write in response to the postings claiming these binoculars are of little or no value for astronomy. If you want a practical astronomical viewing aid, you cannot go wrong buying these wide field binoculars. I wish I could write more, but space is limited.

These are excellent for watching professional golf tournaments. The most impressive features are the wide angle lenses and the fact that they are designed to work over eyeglasses. This means that one can quickly switch between using and not using the binoculars. Image quality is very good, and necessarily relies on the quality of your eyeglasses.

Aufgrund der geringen Vergrößerung und des breiten Sichtfelds hervorragend geeignet z. B. für die Beobachtung von Sportereignissen.

Excellent product - excellent service