Broken filter filter ring on DA 35mm 2.4

ubjy · 12-13-2018, 07:04 AM

I wonder if anyone could help. I have taken so many great photographs with this lens but due to its cheap construction and my heavy use the front treaded where the lens cap/fliter attaches has cracked.

I have lots of the cracked pieces.

My plan was 1) buy a slip on lens cap and accept the crack or 2) or glue on a UV filter - this would catch alot of dust thought

Any suggestions please? Anyone else had this problem? I have the Da 50mm 1.8 but also had a filter on it so never had this problem. Thank you.

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ChristianRock · 12-13-2018, 07:27 AM

I had that happen to three lenses so dar, including the DA 35 2.4... My father in law actually bumped it and broke it off, but not as much as yours. I usually have a petal hood on it but at that time it wasn't on. Since it still screws on I haven't worried about it. Same with the Tamron 70-300 that I've dropped but is otherwise optically perfect.

With my F 50 1.7 however it was a bit more that came off so I've glued it back with superglue. It's not perfect but it takes the hood so I'm happy. With the hood on you don't even notice it. Hopefully you can do something similar. I think the lens is worth it, love my plastic fantastic

Docrwm · 12-13-2018, 07:36 AM

I'd probably glue a hood on that has threads on the upper side to accept filters and a cap. Makes the hood permanent but solves the problem and if it is fitted properly will close the gap and help keep debris from the lens all the way around.

ubjy · 12-13-2018, 07:37 AM

Thanks ChristianRock. That helps. It still takes the hood just looks a bit tatty. It is functional. I regret (i) not keeping the broken bits to superglue back on and (ii) not keeping a filter on the lens at all times.

---------- Post added 12-13-18 at 03:49 PM ----------

Thanks Docrwn. Something like this?

Pentax smc DA 35mm f/2.4 AL Lens hood Sun visor

Docrwm · 12-13-2018, 08:12 AM

Originally posted by ubjy

Thanks ChristianRock. That helps. It still takes the hood just looks a bit tatty. It is functional. I regret (i) not keeping the broken bits to superglue back on and (ii) not keeping a filter on the lens at all times.

---------- Post added 12-13-18 at 03:49 PM ----------

Thanks Docrwn. Something like this?

Pentax smc DA 35mm f/2.4 AL Lens hood Sun visor

My personal preference would be for a soft hood as it will store better and is less prone to breaking if hit. Also, in a pinch you can remove the rubber hood from the metal ring and you don't have a storage problem but you have a place for a filter to fit.

Like this-
https://www.amazon.com/Zykkor-Universal-Telematic-Position-Rubber/dp/B0045TE...ntaxforums-20&

**UncleVanya** · 12-13-2018, 09:38 AM

My personal preference would be to get a metal step up ring 49 to 52 and either use some epoxy or gel filling adhesive (like some specialized products from loctite) and use the glue to add stability to the ring. Then add a 52mm filter and hood. Or step back down to 49mm.

Docrwm · 12-13-2018, 09:40 AM

Originally posted by UncleVanya

My personal preference would be to get a metal step up ring 49 to 52 and either use some epoxy or gel filling adhesive (like some specialized products from loctite) and use the glue to add stability to the ring. Then add a 52mm filter and hood. Or step back down to 49mm.

Essentially the same idea. The advantage of the 49mm rubber hood ring is that it's a) metal, b) the same diameter on both ends, and c) has a notch for the rubber hood naturally.

**dms** · 12-13-2018, 10:34 AM - **1 Like**

Or just take glass out of a 49mm filter and thread it in/glue it in place. Actually if you worry about damage to the front filter ring, mounting a filter ring w/o glass is not a bad practice to start when the lens is pristine.

Docrwm · 12-13-2018, 11:49 AM

Originally posted by dms

Or just take glass out of a 49mm filter and thread it in/glue it in place. Actually if you worry about damage to the front filter ring, mounting a filter ring w/o glass is not a bad practice to start when the lens is pristine.

When the lens is new that's a good preventative. Once the lens is damaged most filter rings are too narrow to fix the problem. Most rubber hood rings are nearly 2x as wide and are more likely to fill the gap while still being usable for mounting additional items.

ubjy · 12-13-2018, 01:03 PM

Thanks all for your replies. I certianly seem to have more options to salvage my most used lens!

**UncleVanya** · 12-13-2018, 03:25 PM

Originally posted by Docrwm

When the lens is new that's a good preventative. Once the lens is damaged most filter rings are too narrow to fix the problem. Most rubber hood rings are nearly 2x as wide and are more likely to fill the gap while still being usable for mounting additional items.

Most of the rubber hoods I have do not have any filter threads on the front so I can't mount it then mount a filter.

**aslyfox** · 12-13-2018, 03:30 PM

" they do exist "

" Product Highlights
Fits Lens with 39mm Filter Threads
Screws onto 0.75mm Thread Pitch
Prevents Lens Flare, Improves Contrast
Has 39mm Front Filter Threads "

Heliopan 39mm Screw-in Rubber Lens Hood 71019H B&H Photo Video

I'm sure there are others

stevebrot · 12-13-2018, 05:01 PM

Originally posted by UncleVanya

Most of the rubber hoods I have do not have any filter threads on the front so I can't mount it then mount a filter.

Hmmmm...I have owned two screw-on collapsible rubber hoods (both Vivitar) over the years and both have had front threads to accept a filter or cap. Right now, one of them is behind me attached to my Pentax-M 50/1.7 with a Pentax pinch cap attached to the front threads*. I did a quick survey of collapsible hoods at B&H and found that hoods from Dot Line and Heliopan both have front threads.

Steve

* Interestingly, the front threads project enough to accept the M-series pinch cap.

stevebrot · 12-13-2018, 05:07 PM

Originally posted by ubjy

the front treaded where the lens cap/fliter attaches has cracked.

I have lots of the cracked pieces.

Oh, my! That is disturbing. I guess a suggestion of "de-glassing" a 49mm filter for permanent placement or a 49-->52 step ring might be a good one for new purchasers.

Steve

**UncleVanya** · 12-13-2018, 06:22 PM

Originally posted by stevebrot

Hmmmm...I have owned two screw-on collapsible rubber hoods (both Vivitar) over the years and both have had front threads to accept a filter or cap. Right now, one of them is behind me attached to my Pentax-M 50/1.7 with a Pentax pinch cap attached to the front threads*. I did a quick survey of collapsible hoods at B&H and found that hoods from Dot Line and Heliopan both have front threads.

Steve

* Interestingly, the front threads project enough to accept the M-series pinch cap.

Mine are all from the 80's and 90's. Most have no threads. I have tiffen and kalt and Nikon etc.

12-13-2018, 05:07 PM	#14
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by ubjy the front treaded where the lens cap/fliter attaches has cracked. I have lots of the cracked pieces. Oh, my! That is disturbing. I guess a suggestion of "de-glassing" a 49mm filter for permanent placement or a 49-->52 step ring might be a good one for new purchasers. Steve Last edited by stevebrot; 12-13-2018 at 05:34 PM.

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12-13-2018, 07:27 AM	#2
ChristianRock Pentaxian Join Date: Jul 2013 Location: People's Republic of America Photos: Gallery \| Albums Posts: 9,910	I had that happen to three lenses so dar, including the DA 35 2.4... My father in law actually bumped it and broke it off, but not as much as yours. I usually have a petal hood on it but at that time it wasn't on. Since it still screws on I haven't worried about it. Same with the Tamron 70-300 that I've dropped but is otherwise optically perfect. With my F 50 1.7 however it was a bit more that came off so I've glued it back with superglue. It's not perfect but it takes the hood so I'm happy. With the hood on you don't even notice it. Hopefully you can do something similar. I think the lens is worth it, love my plastic fantastic

12-13-2018, 07:36 AM	#3
Docrwm Veteran Member Join Date: Sep 2010 Location: Somewhere in the Southern US Photos: Gallery \| Albums Posts: 12,285	I'd probably glue a hood on that has threads on the upper side to accept filters and a cap. Makes the hood permanent but solves the problem and if it is fitted properly will close the gap and help keep debris from the lens all the way around.

12-13-2018, 07:37 AM	#4
ubjy Forum Member Join Date: Apr 2014 Location: Vale of Glamorgan Posts: 57 Original Poster	Thanks ChristianRock. That helps. It still takes the hood just looks a bit tatty. It is functional. I regret (i) not keeping the broken bits to superglue back on and (ii) not keeping a filter on the lens at all times. ---------- Post added 12-13-18 at 03:49 PM ---------- Thanks Docrwn. Something like this? Pentax smc DA 35mm f/2.4 AL Lens hood Sun visor

12-13-2018, 08:12 AM	#5
Docrwm Veteran Member Join Date: Sep 2010 Location: Somewhere in the Southern US Photos: Gallery \| Albums Posts: 12,285	Originally posted by ubjy Thanks ChristianRock. That helps. It still takes the hood just looks a bit tatty. It is functional. I regret (i) not keeping the broken bits to superglue back on and (ii) not keeping a filter on the lens at all times. ---------- Post added 12-13-18 at 03:49 PM ---------- Thanks Docrwn. Something like this? Pentax smc DA 35mm f/2.4 AL Lens hood Sun visor My personal preference would be for a soft hood as it will store better and is less prone to breaking if hit. Also, in a pinch you can remove the rubber hood from the metal ring and you don't have a storage problem but you have a place for a filter to fit. Like this- https://www.amazon.com/Zykkor-Universal-Telematic-Position-Rubber/dp/B0045TE...ntaxforums-20&

12-13-2018, 09:38 AM	#6
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,401	My personal preference would be to get a metal step up ring 49 to 52 and either use some epoxy or gel filling adhesive (like some specialized products from loctite) and use the glue to add stability to the ring. Then add a 52mm filter and hood. Or step back down to 49mm.

12-13-2018, 09:40 AM	#7
Docrwm Veteran Member Join Date: Sep 2010 Location: Somewhere in the Southern US Photos: Gallery \| Albums Posts: 12,285	Originally posted by UncleVanya My personal preference would be to get a metal step up ring 49 to 52 and either use some epoxy or gel filling adhesive (like some specialized products from loctite) and use the glue to add stability to the ring. Then add a 52mm filter and hood. Or step back down to 49mm. Essentially the same idea. The advantage of the 49mm rubber hood ring is that it's a) metal, b) the same diameter on both ends, and c) has a notch for the rubber hood naturally.

12-13-2018, 10:34 AM - 1 Like	#8
dms Site Supporter Join Date: Aug 2011 Location: New York, NY Photos: Gallery Posts: 2,192	Or just take glass out of a 49mm filter and thread it in/glue it in place. Actually if you worry about damage to the front filter ring, mounting a filter ring w/o glass is not a bad practice to start when the lens is pristine.

12-13-2018, 11:49 AM	#9
Docrwm Veteran Member Join Date: Sep 2010 Location: Somewhere in the Southern US Photos: Gallery \| Albums Posts: 12,285	Originally posted by dms Or just take glass out of a 49mm filter and thread it in/glue it in place. Actually if you worry about damage to the front filter ring, mounting a filter ring w/o glass is not a bad practice to start when the lens is pristine. When the lens is new that's a good preventative. Once the lens is damaged most filter rings are too narrow to fix the problem. Most rubber hood rings are nearly 2x as wide and are more likely to fill the gap while still being usable for mounting additional items.

12-13-2018, 01:03 PM	#10
ubjy Forum Member Join Date: Apr 2014 Location: Vale of Glamorgan Posts: 57 Original Poster	Thanks all for your replies. I certianly seem to have more options to salvage my most used lens!

12-13-2018, 03:25 PM	#11
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,401	Originally posted by Docrwm When the lens is new that's a good preventative. Once the lens is damaged most filter rings are too narrow to fix the problem. Most rubber hood rings are nearly 2x as wide and are more likely to fill the gap while still being usable for mounting additional items. Most of the rubber hoods I have do not have any filter threads on the front so I can't mount it then mount a filter.

12-13-2018, 03:30 PM	#12
aslyfox Seeker of Knowledge Join Date: Aug 2016 Location: Topeka, Kansas Photos: Gallery \| Albums Posts: 24,581	" they do exist " " Product Highlights Fits Lens with 39mm Filter Threads Screws onto 0.75mm Thread Pitch Prevents Lens Flare, Improves Contrast Has 39mm Front Filter Threads " Heliopan 39mm Screw-in Rubber Lens Hood 71019H B&H Photo Video I'm sure there are others

12-13-2018, 05:01 PM	#13
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by UncleVanya Most of the rubber hoods I have do not have any filter threads on the front so I can't mount it then mount a filter. Hmmmm...I have owned two screw-on collapsible rubber hoods (both Vivitar) over the years and both have had front threads to accept a filter or cap. Right now, one of them is behind me attached to my Pentax-M 50/1.7 with a Pentax pinch cap attached to the front threads. I did a quick survey of collapsible hoods at B&H and found that hoods from Dot Line and Heliopan both have front threads. Steve Interestingly, the front threads project enough to accept the M-series pinch cap.

12-13-2018, 06:22 PM	#15
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,401	Originally posted by stevebrot Hmmmm...I have owned two screw-on collapsible rubber hoods (both Vivitar) over the years and both have had front threads to accept a filter or cap. Right now, one of them is behind me attached to my Pentax-M 50/1.7 with a Pentax pinch cap attached to the front threads. I did a quick survey of collapsible hoods at B&H and found that hoods from Dot Line and Heliopan both have front threads. Steve Interestingly, the front threads project enough to accept the M-series pinch cap. Mine are all from the 80's and 90's. Most have no threads. I have tiffen and kalt and Nikon etc.