TheSonyEnthusiast
Forum Enthusiast
So I know that a few threads have popped up regarding zoom lenses in recent months and suggestions have included but aren't limited to the following:
1. SAL1680Z
2. SAL2875
3. SAL16105 or SAL24105
4. SAL1650
5. SAL2470Z
Over the past year I've noticed multiple copies of the SAL1650 being listed for sale as MF only lenses, claiming the AF no longer works. Interestingly, I actually have a bum copy as well that I'd yet to tinker with but decided to spend a little of this afternoon disassembling it and finding out why it isn't working.

Outer assembly and lens group removed, main PCB and SSM motor in view

Close-up crop of previous photo, the SSM ribbon cable had discoloration and possibly burns (not really visible). You can see the two posts above it with the same burn marks and discoloration, clearly visible.

Underside of the main PCB. The component with burn marks is "003 Yf"
So I got to pricing the main board and SSM at Encompass Parts, Sony's authorized parts distributor and the pricing isn't promising: SSM assembly is $252.99, and the main board is $84.06.
Even if the Yf 003 could be identified and replacement performed (standard solder joints), it leaves the question what caused the failure to begin with. If it's the SSM failing, it isn't cost effective to repair and you won't know until you either replace the board component, or the board.
I know the lens has the benefits of being SSM and f2.8, and one lens does not an argument make, but given the number of broken copies I see popping up on eBay I'd personally advise against purchasing it, as I believe it might be an issue with the SSM assembly or use of a subpar board component leading to increased likelihood of failure. To put it in perspective, the only other lenses I see more broken copies of on eBay, or atleast use to, is the SAL1870.
If you have a case for it, share similar sentiments, et cetera then let me know your thoughts.
1. SAL1680Z
2. SAL2875
3. SAL16105 or SAL24105
4. SAL1650
5. SAL2470Z
Over the past year I've noticed multiple copies of the SAL1650 being listed for sale as MF only lenses, claiming the AF no longer works. Interestingly, I actually have a bum copy as well that I'd yet to tinker with but decided to spend a little of this afternoon disassembling it and finding out why it isn't working.

Outer assembly and lens group removed, main PCB and SSM motor in view

Close-up crop of previous photo, the SSM ribbon cable had discoloration and possibly burns (not really visible). You can see the two posts above it with the same burn marks and discoloration, clearly visible.

Underside of the main PCB. The component with burn marks is "003 Yf"
So I got to pricing the main board and SSM at Encompass Parts, Sony's authorized parts distributor and the pricing isn't promising: SSM assembly is $252.99, and the main board is $84.06.
Even if the Yf 003 could be identified and replacement performed (standard solder joints), it leaves the question what caused the failure to begin with. If it's the SSM failing, it isn't cost effective to repair and you won't know until you either replace the board component, or the board.
I know the lens has the benefits of being SSM and f2.8, and one lens does not an argument make, but given the number of broken copies I see popping up on eBay I'd personally advise against purchasing it, as I believe it might be an issue with the SSM assembly or use of a subpar board component leading to increased likelihood of failure. To put it in perspective, the only other lenses I see more broken copies of on eBay, or atleast use to, is the SAL1870.
If you have a case for it, share similar sentiments, et cetera then let me know your thoughts.
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