what filter for 24-70 ii 2.8?
- Thread starter sunnyVan
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Loswr
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Congrats. Assuming you mean a UV/clear protection filter, you don't need a Slim mount for this lens.
The lens has a fair amount of native vignetting - over 2 stops in the corners. However, filters don't add to that - presumably due to the 82mm filter thread. I tested an XS-Pro mount (3.4mm thick), an F-Pro mount (5mm thick), and the two filters stacked, and didn't see an increase in the optical vignetting in any case.
Personally, I use a B+W XS-Pro UV MRC-Nano on mine.
The lens has a fair amount of native vignetting - over 2 stops in the corners. However, filters don't add to that - presumably due to the 82mm filter thread. I tested an XS-Pro mount (3.4mm thick), an F-Pro mount (5mm thick), and the two filters stacked, and didn't see an increase in the optical vignetting in any case.
Personally, I use a B+W XS-Pro UV MRC-Nano on mine.
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Hi guys,
Perhaps Neuro or someone else who is technically aware can answer this question.
Other than the very slight warming effect some see in the B+W UV MRC Nano vs. the opposite effect of the Heliopan, what is the real difference between the two? With the Heliopan significantly more expensive than B+W, but both using Schott glass and brass mounts, is either better than the other? Why is the Heliopan so much higher in price than B+W? Is it worth the difference? Heliopan says their MRC version has 16 different coatings, whereas B+W says only 8. Is that the only difference? Do the extra coatings make that much of a difference?
Secondly, regarding the circ polarizers by each manufacturer, does the B+W have a similar warming effect in the polarizer as it does in the UV? To my eyes, the difference is almost undetectable in most situations. Can anyone comment on this?
Thanks for any light anyone can shed on this issue.
Zen
Perhaps Neuro or someone else who is technically aware can answer this question.
Other than the very slight warming effect some see in the B+W UV MRC Nano vs. the opposite effect of the Heliopan, what is the real difference between the two? With the Heliopan significantly more expensive than B+W, but both using Schott glass and brass mounts, is either better than the other? Why is the Heliopan so much higher in price than B+W? Is it worth the difference? Heliopan says their MRC version has 16 different coatings, whereas B+W says only 8. Is that the only difference? Do the extra coatings make that much of a difference?
Secondly, regarding the circ polarizers by each manufacturer, does the B+W have a similar warming effect in the polarizer as it does in the UV? To my eyes, the difference is almost undetectable in most situations. Can anyone comment on this?
Thanks for any light anyone can shed on this issue.
Zen
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Zen said:Hi guys,
Perhaps Neuro or someone else who is technically aware can answer this question.
Other than the very slight warming effect some see in the B+W UV MRC Nano vs. the opposite effect of the Heliopan, what is the real difference between the two? With the Heliopan significantly more expensive than B+W, but both using Schott glass and brass mounts, is either better than the other? Why is the Heliopan so much higher in price than B+W? Is it worth the difference? Heliopan says their MRC version has 16 different coatings, whereas B+W says only 8. Is that the only difference? Do the extra coatings make that much of a difference?
Secondly, regarding the circ polarizers by each manufacturer, does the B+W have a similar warming effect in the polarizer as it does in the UV? To my eyes, the difference is almost undetectable in most situations. Can anyone comment on this?
Thanks for any light anyone can shed on this issue.
Zen
The UV filtering itself will cause the color tint. If you use the B+W clear filter instead like this one you won't get that effect:
http://www.bhphotovideo.com/c/product/475496-REG/B_W_66_1005754_82mm_007_Protection_Clear.html
re: polarizer I also have a B+W circ polarizer but I haven't tested it vs other brands so could not tell you.
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