Ok Camera Wizards -- 300 F/2.8 arrived DOA
p.1 #1Ok Camera Wizards -- 300 F/2.8 arrived DOA
Hi all, the new 300 arrived, connected it to the A1II and the AF tries to cycle, the f/stop doesn't display and when I hit the AF button the camera throws and error saying the lens isn't mounted correctly or is not compatible with the camera.
I ruled out the camera, my other lenses work fine.
I added a 2x to the 300 and same issues. I'm assuming it's the contacts at this point. I used a Qtip (dry) to clean off anything on the contacts I can't see, it's new, they look new... same issue.
Anyone experience this issue with any other lenses? Did you just return it or did you have a fix that worked?
I've reached out for a return label but if there's something I'm missing or can do... I'm all ears.
Camera is on firmware 4.0 as well.
Thanks,
Hatch
I ruled out the camera, my other lenses work fine.
I added a 2x to the 300 and same issues. I'm assuming it's the contacts at this point. I used a Qtip (dry) to clean off anything on the contacts I can't see, it's new, they look new... same issue.
Anyone experience this issue with any other lenses? Did you just return it or did you have a fix that worked?
I've reached out for a return label but if there's something I'm missing or can do... I'm all ears.
Camera is on firmware 4.0 as well.
Thanks,
Hatch
Sep 01, 2026 at 02:55 PM
p.1 #2Ok Camera Wizards -- 300 F/2.8 arrived DOA
Don't bother messing around with a brand new but non-functioning lens/camera/item. It should work each time and if it doesn't right off the bat, how can you trust it down the road to work each time. I would return the lens right away, if I were you...
Sep 01, 2026 at 03:11 PM
p.1 #3Ok Camera Wizards -- 300 F/2.8 arrived DOA
AGeoJO wrote:
Don't bother messing around with a brand new but non-functioning lens/camera/item. It should work each time and if it doesn't right off the bat, how can you trust it down the road to work each time. I would return the lens right away, if I were you...
Yeah
I've requested a return shipping label, I hope they have a replacement they can send out once this one hits UPS.
Appreciate the comment.
Hatch
Don't bother messing around with a brand new but non-functioning lens/camera/item. It should work each time and if it doesn't right off the bat, how can you trust it down the road to work each time. I would return the lens right away, if I were you...
Yeah
I've requested a return shipping label, I hope they have a replacement they can send out once this one hits UPS.
Appreciate the comment.
Hatch
Sep 01, 2026 at 03:17 PM
p.1 #4Ok Camera Wizards -- 300 F/2.8 arrived DOA
Ditto to what Joshua wrote, but I'll add my sympathies. It sucks to make the decision, spend the money, get all excited for the shipping, and have nothing but disappointment and more waiting to show for it.
Sep 01, 2026 at 04:13 PM
p.1 #5Ok Camera Wizards -- 300 F/2.8 arrived DOA
freaklikeme wrote:
Ditto to what Joshua wrote, but I'll add my sympathies. It sucks to make the decision, spend the money, get all excited for the shipping, and have nothing but disappointment and more waiting to show for it.
I said the same thing and my wife replied.... poor you, 1st world problems. True love! ROFL
Yeah, it sucks... I'll send it back and hopefully they have a replacement on hand to ship out.
Appreciate the comment.
Hatch
Ditto to what Joshua wrote, but I'll add my sympathies. It sucks to make the decision, spend the money, get all excited for the shipping, and have nothing but disappointment and more waiting to show for it.
I said the same thing and my wife replied.... poor you, 1st world problems. True love! ROFL
Yeah, it sucks... I'll send it back and hopefully they have a replacement on hand to ship out.
Appreciate the comment.
Hatch
Sep 01, 2026 at 04:35 PM
p.1 #6Ok Camera Wizards -- 300 F/2.8 arrived DOA
Hatch, I am not sure where you bought the lens from. Does the store have to wait for and inspect the faulty lens first before they send out a new one? Maybe I am too spoiled with A*****n... I don't remember of any case that I had to return something to them to recall/know how B&H handles this situation...
Sep 01, 2026 at 05:33 PM
p.1 #7Ok Camera Wizards -- 300 F/2.8 arrived DOA
Just return it. Not much to talk about.
Sep 01, 2026 at 05:42 PM
p.1 #8Ok Camera Wizards -- 300 F/2.8 arrived DOA
AGeoJO wrote:
Hatch, I am not sure where you bought the lens from. Does the store have to wait for and inspect the faulty lens first before they send out a new one? Maybe I am too spoiled with A*****n... I don't remember of any case that I had to return something to them to recall/know how B&H handles this situation...
Not B&H but the shop is going to issue a return, just waiting on confirmation they have a replacement to send out. I've returned a couple things back to B&H in the past with no issue... quality service.
Hatch
Hatch, I am not sure where you bought the lens from. Does the store have to wait for and inspect the faulty lens first before they send out a new one? Maybe I am too spoiled with A*****n... I don't remember of any case that I had to return something to them to recall/know how B&H handles this situation...
Not B&H but the shop is going to issue a return, just waiting on confirmation they have a replacement to send out. I've returned a couple things back to B&H in the past with no issue... quality service.
Hatch
Sep 01, 2026 at 05:45 PM
p.1 #9Ok Camera Wizards -- 300 F/2.8 arrived DOA
Jeffrey wrote:
Just return it. Not much to talk about.
I am. Initially wanted to know if anyone has had the same issues and if there was an easy fix I might be missing or something I wasn't checking.
It's being returned
Hatch
Just return it. Not much to talk about.
I am. Initially wanted to know if anyone has had the same issues and if there was an easy fix I might be missing or something I wasn't checking.
It's being returned
Hatch
Sep 01, 2026 at 05:46 PM
p.1 #10Ok Camera Wizards -- 300 F/2.8 arrived DOA
Tighten the screws on the lens and your camera. Or send it back…as I see is what you are doing.
There is a high chance it is the screws on your camera’s lens mount and your other lenses aren’t putting as much pressure on it. Or it could be the screws on the rear mount of the new lens.
Even if you just send it back I’d acquire a JIS 00 screw driver and double check if the screws are all tight on the A1II.
There is a high chance it is the screws on your camera’s lens mount and your other lenses aren’t putting as much pressure on it. Or it could be the screws on the rear mount of the new lens.
Even if you just send it back I’d acquire a JIS 00 screw driver and double check if the screws are all tight on the A1II.
Sep 01, 2026 at 05:46 PM
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p.1 #11Ok Camera Wizards -- 300 F/2.8 arrived DOA
Just return good advice.
I will add though: I have experienced dirty contacts that took multiple cleans.
A brand new Sony 1.4 TC came good after a few alcohol cleans did not resolve, then used an eraser, success
I will add though: I have experienced dirty contacts that took multiple cleans.
A brand new Sony 1.4 TC came good after a few alcohol cleans did not resolve, then used an eraser, success
Sep 01, 2026 at 05:48 PM
p.1 #12Ok Camera Wizards -- 300 F/2.8 arrived DOA
arbitrage wrote:
Tighten the screws on the lens and your camera. Or send it back…as I see is what you are doing.
There is a high chance it is the screws on your camera’s lens mount and your other lenses aren’t putting as much pressure on it. Or it could be the screws on the rear mount of the new lens.
Even if you just send it back I’d acquire a JIS 00 screw driver and double check if the screws are all tight on the A1II.
I'll take a look to see if they are tight or not, thanks for the suggestion. The camera is pretty new but you never know I suppose.
Thanks again,
Hatch
Tighten the screws on the lens and your camera. Or send it back…as I see is what you are doing.
There is a high chance it is the screws on your camera’s lens mount and your other lenses aren’t putting as much pressure on it. Or it could be the screws on the rear mount of the new lens.
Even if you just send it back I’d acquire a JIS 00 screw driver and double check if the screws are all tight on the A1II.
I'll take a look to see if they are tight or not, thanks for the suggestion. The camera is pretty new but you never know I suppose.
Thanks again,
Hatch
Sep 01, 2026 at 09:11 PM
p.1 #13Ok Camera Wizards -- 300 F/2.8 arrived DOA
New replacement lens arrived. No issues The mount locks in much tighter than the first lens.
It was pretty late so I didn't get a chance to put it through the paces but I was able to take a few quick snaps.
Sony A1II + 300 f/2.8 by hatch1921, on Flickr
Sony A1II + 300 f/2.8 by hatch1921, on Flickr
Sony A1II + 300 f/2.8 by hatch1921, on Flickr
Thanks again all for the comments.
Hatch
The mount locks in much tighter than the first lens. It was pretty late so I didn't get a chance to put it through the paces but I was able to take a few quick snaps.
Sony A1II + 300 f/2.8 by hatch1921, on FlickrSony A1II + 300 f/2.8 by hatch1921, on FlickrSony A1II + 300 f/2.8 by hatch1921, on FlickrThanks again all for the comments.
Hatch
Sep 03, 2026 at 07:50 PM
p.1 #14Ok Camera Wizards -- 300 F/2.8 arrived DOA
Great to hear about the good news, Hatch! Enjoy the lens now!
Sep 03, 2026 at 08:06 PM
p.1 #15Ok Camera Wizards -- 300 F/2.8 arrived DOA
Good to hear this news, love this lens, it's basically permanently bolted to my camera
Sep 04, 2026 at 05:46 AM
p.1 #16Ok Camera Wizards -- 300 F/2.8 arrived DOA
Good to hear you got a new copy so fast. I wonder if the 1st copy had a loose mount or some other issue? I guess we will never know. But I will say I have seen many cases over the past couple years both locally and online where slightly loose screws has been the issue.
Sep 04, 2026 at 05:55 AM
p.1 #17Ok Camera Wizards -- 300 F/2.8 arrived DOA
arbitrage wrote:
Good to hear you got a new copy so fast. I wonder if the 1st copy had a loose mount or some other issue? I guess we will never know. But I will say I have seen many cases over the past couple years both locally and online where slightly loose screws has been the issue.
I had this happen to my 200-600 while on safari in Africa. Same symptoms as described by OP. Didn't have a JIS screwdriver to fix it, but once I got home, I tightened two of the screws on the lens mount and that solved the problem. Glad the OP got a replacement quickly.
Good to hear you got a new copy so fast. I wonder if the 1st copy had a loose mount or some other issue? I guess we will never know. But I will say I have seen many cases over the past couple years both locally and online where slightly loose screws has been the issue.
I had this happen to my 200-600 while on safari in Africa. Same symptoms as described by OP. Didn't have a JIS screwdriver to fix it, but once I got home, I tightened two of the screws on the lens mount and that solved the problem. Glad the OP got a replacement quickly.
Sep 04, 2026 at 06:32 AM
p.1 #18Ok Camera Wizards -- 300 F/2.8 arrived DOA
AGeoJO wrote:
Great to hear about the good news, Hatch! Enjoy the lens now!
Many thanks
Great to hear about the good news, Hatch! Enjoy the lens now!
Many thanks
Sep 04, 2026 at 09:13 AM
p.1 #19Ok Camera Wizards -- 300 F/2.8 arrived DOA
MIRANDA1 wrote:
Good to hear this news, love this lens, it's basically permanently bolted to my camera
Thank you.
I just quickly tested the lens with a 2xTC... no complaints... super sharp considering there's a teleconverter on it.
Good to hear this news, love this lens, it's basically permanently bolted to my camera
Thank you.
I just quickly tested the lens with a 2xTC... no complaints... super sharp considering there's a teleconverter on it.
Sep 04, 2026 at 09:13 AM
p.1 #20Ok Camera Wizards -- 300 F/2.8 arrived DOA
arbitrage wrote:
Good to hear you got a new copy so fast. I wonder if the 1st copy had a loose mount or some other issue? I guess we will never know. But I will say I have seen many cases over the past couple years both locally and online where slightly loose screws has been the issue.
Many thanks. The difference when I connected this lens compared to the 1st one was night and day, it really "locks in" compared the original lens. I didn't have the screwdriver to tighten anything otherwise I would have given it a shot.
Just tried the lens with the 2x... pretty wild how well the lens works with it.
Thanks again.
Hatch
Good to hear you got a new copy so fast. I wonder if the 1st copy had a loose mount or some other issue? I guess we will never know. But I will say I have seen many cases over the past couple years both locally and online where slightly loose screws has been the issue.
Many thanks. The difference when I connected this lens compared to the 1st one was night and day, it really "locks in" compared the original lens. I didn't have the screwdriver to tighten anything otherwise I would have given it a shot.
Just tried the lens with the 2x... pretty wild how well the lens works with it.
Thanks again.
Hatch
Sep 04, 2026 at 09:16 AM