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Tamron Adaptall 28mm f2.5 lens hood
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PostPosted: Fri Oct 06, 2017 9:55 pm    Post subject: Tamron Adaptall 28mm f2.5 lens hood Reply with quote
Anyone else own one of these? I tried fitting a generic screw -in lens hood but it prevents me from reaching infinity focus.The inner barrel goes just a millimetre or so lower that the outer focussing ring preventing full retraction to infinity.
Does the Tamron hood react like this or has my lens been reset too low?


PostPosted: Fri Oct 06, 2017 10:21 pm    Post subject: Reply with quote
Yeah that's the way these adaptall 02B's are. Quick solution: remove the glass from a surplus 49mm filter and use the ring to extend the hood the necessary few mm away.


PostPosted: Fri Oct 06, 2017 10:31 pm    Post subject: Reply with quote
marcusBMG wrote:
Yeah that's the way these adaptall 02B's are. Quick solution: remove the glass from a surplus 49mm filter and use the ring to extend the hood the necessary few mm away.


Good idea Marcus.At first I thought,no go because I used a step up ring to try a different size hood (52mm) but the shoulder of the ring was also catching.Luckily I have an old SUN filter marked 1A whatever that is,and it works! Smile


PostPosted: Sat Oct 07, 2017 9:22 pm    Post subject: Reply with quote
part # 22FH


PostPosted: Mon Oct 09, 2017 5:43 pm    Post subject: Reply with quote
The original Tamron 90mm (52B) macro is the same, I took the element out of an old scratched skylight filter and used the threaded ring to effectively "extend" the lens body. My 28mm (02B) has a UV filter fitted permanently so hadn't noticed the problem. Looks quite smart with a short "petal" hood attached Smile
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