I've used Hitech ND and ND Grads for some time and like them as a bit less than Lee but a bit more than cokin. Having just checked they do a circular variable in most popular sizes and claim the following
•From 1-7 stops of variable attenuation
•Allows filmmakers using 1/50th shutter speeds to shoot wide open for shallow depth of field
•The filter features an outer ring 5mm larger than the inner ring to eliminate vignetting
•The ring is very quality and features a series of markings on the outer rim so that you can measure and save attenuation settings
•Made from the world's highest quality optical glass, Schott Superwite
•Made in the UK using the world's most advanced, computer-controlled filter manufacturing technologies
Price: £144.95 !
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Nigel
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