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ND filter for SK 35 & SK 90

shfoto

Member
I am looking for ND filters for my SK35 & SK90. I read Vieri's excellent reviews on filter systems and holders. But then I realized that both the SK 35 and SK 90 have rather small filter threads - 52 mm for the SK35 and 40.5 mm for the SK90. Guess, a 100 mm filter system would be somewhat an overkill. Any suggestions/recommendations for other options?

Thanks, Stephan
 

Boinger

Member
I like breakthrough filters.

They are fairly color neutral and you can get them in any thread size.


Other option is use step up rings.
 

Paul2660

Well-known member
I use a 52mm to 77mm step ring on my 35SK, either with a standard 77mm filter or the H&Y setup. If you go this route, get the Heliopan ring as it's much heavier and will not easily bend. With the IQ4, I have been able to shoot the 35SK without the CF as long as I don't shift. If you need a CF then that takes you from the 52mm to 72mm (I believe that's the outer size, I know it's not 77mm). CF makes a huge difference on the SK35 with any other back I have used, P45+, IQ160, IQ260, IQ180, IQ250 and IQ3100. The IQ4 can get very good results without it.

Paul

 

dchew

Well-known member
I use a step up ring for both my sk35 and sk90, along with the H&Y system. To confirm what Paul said, the CF on the sk35 (IIf) is 72mm.

Dave
 

shfoto

Member
Thanks for your comments, Paul & Dave! I see, it comes down to using a number of step up rings to attach the filter holders... But luckily Helioplan offers a wider range of them. Thanks for pointing this out, Paul!
 

mike gannon

New member
I use Wine Country filters, I bought a 67mm and a 62mm adapter ring and a set of ND filters @ 77mm this set up works on all my Nikon lenses and some hasselblad lenses and most of my large formay lenses
 

vieri

Well-known member
I am looking for ND filters for my SK35 & SK90. I read Vieri's excellent reviews on filter systems and holders. But then I realized that both the SK 35 and SK 90 have rather small filter threads - 52 mm for the SK35 and 40.5 mm for the SK90. Guess, a 100 mm filter system would be somewhat an overkill. Any suggestions/recommendations for other options?

Thanks, Stephan
Hey Stephan,

thank you for the kind words. Sorry for being late to reply, I just got home after months on the road with very little time for forum activity.

About your conundrum, I would still go for a 100mm filter system, given the opportunity. Unless you plan on never getting any lenses with a larger filter thread, I think 100mm makes sense and makes your system future-proof. Just my .02 of course.

Best regards,

Vieri
 
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