Do you have to use the center focal point to get a laser assist beam. My other yongnuo you did not but I just bought another brand and you do have to.
1624299
With my D90 in manual or aperture mode, it does require a center focal point. Not sure about other modes. I tried "auto" a couple of times and the laser fired every time regardless of where the focus point was. Don't take this as conclusive information. I'm fairly new at this and it may be camera/lens dependent.
1624300
It depends on the distance of the target. The beam is about 2 feet wide and 1.5 feet tall at about 4 feet distance. As long as you can set your focal point in that range you are good.I mis-read the question, I have had it fire everytime. But that may depend on the camera body itself.
1755044
Button needs to be held down for laser to work, yes.Same with the light. Two separate buttons that work in the same way.
552324
No but I think you probably would not need IS while shooting with this lens. I have never found the need to have it but I can understand one's need to have IS on heavier, higher aperture types of lenses. ... I love this lenses ability to get in close to the subject & with a flash, it really gets it! It truly is a great wide angle lens! ...
2115031
Amm does have a point. I've used it off camera with long exposures where i wanted to illuminate something in the foreground but you do have ti trigger it by pressing the test button. I took it to a camera shop and tried other wireless triggers and none of them worked. I also called Sigma and they said if i bought some $500 triggers it should work but I tried pocket wizards an that didn't work either. There are so much more options out there for Nikon an Canon users that I'd try something else if i were you. I only bought this cause Sony has a different hotshoe mount that we're limited in our choices. Amm does have a point. I've used it off camera with long exposures where i wanted to illuminate something in the foreground but you do have ti trigger it by pressing the test button. I took it to a camera shop and tried other wireless triggers and none of them worked. I also called Sigma and they said if i bought some $500 triggers it should work but I tried pocket wizards an that didn't work either. There are so much more options out there for Nikon an Canon users that I'd try something else if i were you. I only bought this cause Sony has a different hotshoe mount that we're limited in... » Read More Amm does have a point. I've used it off camera with long exposures where i wanted to illuminate something in the foreground but you do have ti trigger it by pressing the test button. I took it to a camera shop and tried other wireless triggers and none of them worked. I also called Sigma and they said if i bought some $500 triggers it should work but I tried pocket wizards an that didn't work either. There are so much more options out there for Nikon an Canon users that I'd try something else if i were you. I only bought this cause Sony has a different hotshoe mount that we're limited in our choices. « Show Less
460510
Its normal and its there so that you can be in control of the focus area.Point the torch to a wall say about 10 feet from where you are standing adjust beam till the dark spot disappears and you can have a strong focused beam
36717
There is a tiny rubber button on the left side of the laser near the front...difficult IMO to manipulate in a extreme situation...but I get tons more battery life just leaving mine turned off as I do a lot of practice with the built in sites. But push it once and the laser pulses, push button again and it's on constant. Push button a third time and it shuts back off.
59829
If I understand your question, you are asking if the red auto focus assist beams can be turned off. They can. See page 12 of the users manual. It tells you to press the channel/AF button for more than 3 seconds. Doing that toggles the assist beams of the YN-622N (and any flash on top) on or off. That works for me . . . . . but the other info on page 12 makes no sense to me at all.
569891
None off the above, neather summable nor focusable, its beam is so strong you would not need the mentioned. Unit comes with 5 mode. Strong, med,low, strove, sos. You would be amazed of how strong ana well build.
1730227
That's a good question! I've had issues with infinity focus with this item it's worth a shot though I think:)
113722
Yes. I just tried it. You can also focus with the ND side to side switch. Also, like ryuxis stated, the zoom is considerably slower.
1436640
No. You have to use the manual focus. I do not think this is an issue because the NEX has focus peaking where it highlights the areas that are in focus.
1042903
If you have the knob in the on position, and you have the batteries in correctly, then yes, you'll see it just like a laser pointer. Look in and see if you can see a red glow without pointing it into you eye of course. If you see a red glow inside, but no laser pointing out, try adjusting the beam, it may be way off and pointing at the inside of itself. If all of the above is ok, and you don't see a red glow inside, then it is most likely defective.
805876
Off/Flashlight/Laser and then you hold the Laser button to activate...Go with somthin else..
1346429
I'm glad you asked this question because I wasn't aware of this function and had to read my manual, which you can download here: http://www.olympus.co.jp/en/support/imsg/digicamera/download/manual/dslr.cfm#eflash Answer is, yes, the led light will turn on to assist focus in low light BUT as far as I can tell, although there is an automatic setting as an option, it won't go on automatically. IF you set it to M, or manual, you can press the right side of the settings ring and it will stay on. It is EXTREMELY fiddly rotating through the settings with that small wheel and then having to press each of the four positions to change settings. I'm glad you asked this question because I wasn't aware of this function and had to read my manual, which you can download here: http://www.olympus.co.jp/en/support/imsg/digicamera/download/manual/dslr.cfm#eflash Answer is, yes, the led light will turn on to assist focus in low light BUT as far as I can tell, although there is an automatic setting as an option, it won't go on automatically. IF you set it to M, or manual, you can press the right side of the settings ring and it will stay on. It is EXTREMELY fiddly rotating through the settings with that small wheel and then having... » Read More I'm glad you asked this question because I wasn't aware of this function and had to read my manual, which you can download here: http://www.olympus.co.jp/en/support/imsg/digicamera/download/manual/dslr.cfm#eflash Answer is, yes, the led light will turn on to assist focus in low light BUT as far as I can tell, although there is an automatic setting as an option, it won't go on automatically. IF you set it to M, or manual, you can press the right side of the settings ring and it will stay on. It is EXTREMELY fiddly rotating through the settings with that small wheel and then having to press each of the four positions to change settings. « Show Less
1833504
I have the "blue" follow focus. I later added a large Fotga gear to help position fatter lenses on the rails. It all works well, smoothly with no problems ever.
381537
Aloha, Amy, You have to hold the button, but you could easily arrange something with a rubber band if you needed a continuous red dot. I'm guessing that the battery life might be severely limited and the laser might overheat if you kept it on too long. If you need a continuous red laser dot, you might want to experiment with a cheap single function pointer rather than take a chance on hurting this little beauty.
1812139
No, it is simply a magnifier with the ability to adjust to the red dot it is looking at. If your dot doesn't line up perctly to the center of the magnifier, you can adjust it to the center. Works good with my eotech.