Step Up Adapter Ring, 67mm Lens to 77mm Filter,

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Feiertag

Feiertag

Well-known member
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Good day. I have not used these rings in the past. I have ordered a 67 mm lens and plan on using a CPL filter. I have two 77mm filters. Rather than buying another CPL, I am looking into step-up adapter ring for the conversion. The ring costs 1/10th the price.

Has anyone used the adapter? Are you a fan of them? Other than not being able to use your lens cap, are there any other negative issues?
 
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The basics are that a step-up ring screws into the lens filter thread and then your filter screws into the larger front thread.
Some are made better than others and some tend to get stuck.

It is important for best optical quality, especially with longer focal length lenses, to keep any front filter as a close to exactly parallel to the sensor as possible.
Some step up rings in this respect are bit of a miss rather than an exact hit.

You cannot use the lens hood designed for the lens, possibly leading to some lens flare and because of this sometimes some reduction in image resolution.

If you choose to afford the extra cost I consider a second pol a better option,

I only use them to attach a close up "filter" to a different thread size.
 
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I use step up rings all the time. To minimize any issues I make sure they are well made and are metal. The only drawback is that that the lens hood cannot be added or used. But that issue may exist if you buy a second polarizer that is 67mm. The hood may fit but access to the polarizer may go away. It comes down to $$ and what is important to you. If you use them, I would remove them once you have taken your images. I would not leave them on the lens when walking around.
 
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In addition to all of the above, do not tighten them down, they have a tendancy to stick. The extra distance from the front of the lens may cause some vignetting with wide angle lenses though the 67mm to 77mm shouldn't be a problem. Back in the day when I was using step rings on large format, I had a few generic lens hood (rubber collapsing) that I used. The rings worked well as long as I kept them just an 1/8 of a turn loose. When changing set-ups or locations, I took everything off. Not convenient but if you've ever tried to get a thin ring off a filter it's worth the extra time. I rarely used them as walk arounds for that reason.
 
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I use one for my Z 24-70 since it is 72mm and my CPLs are 77 and 82 (when I was F mount I had a 24-70 f2.8 so it was bigger filter). The only issue - which others have mentioned - is you cannot use the lens hood.
 
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I use step up rings all the time. I have a variety of lenses with diameters ranging from 67 to 77mm. I have a CPL and ND filters at 77mm that can go on all the lenses. I had to buy larger lens caps when the filters are on and the hoods will not work.
 
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Update on the CPL filter. I purchased the Nikon PL2 and the B+W Master HTC nano KSM. I took the same photo/subject (indoor glass framed print) with both pieces of glass. I rotated the dial to it's darkest setting on both. There was no comparison between the two, as far as I'm concerned.

The ISO for the Nikon was 18,000 and the B+W was 8,000. I was taken back by the difference. Needless to say, I'm returning the Nikon version.
 
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