Many vintage cameras had a lens without a filter thread. Manufacturers such as BDB, Leech and Actina created push-on filters for users of that type of camera. These filters, typical with an aluminium mount, push over the lens and hold in place with a small spring clip. They came without a glass filter and had …
Category archives: Filters
Cross polarising technique
The cross polarising techniques is a simple one to create. Just place a polarising filter in front of the lens and photograph a stiff plastic object in front of an LCD computer screen. To illustrate the tip I attached a Hoyarex Linear Polarising filter* to the front of a digital camera. I then positioned …
Cokin filters revisited
There’s a really interesting article about photographer John Duder going back and experimenting with filters he never got around to using in the 80s over on ePHOTOzine: Experimenting With Filters From the Eighties I Have Never Used – Come Check Out The Results Also interesting that we’ve got many of the filters he used here …
David Noton and Joe Cornish discuss grad filters
There’s an interesting series of videos appeared that were produced by Lee Filters with conversation between the revered landscape photographers, Joe Cornish and David Noton. Epsiode 2 sees them discussing the changes digital photography has made in capturing the moment, and why they still use graduated filters. It’s not like the usual manufacturer produced media …
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Why Hoyarex filters are often scratched
The Hoyarex filter system was really good: high quality filters.. Great variety of options in the range. Some glass filters. Solid holder. And a really useful rubber hood. But the Hoyarex System had a big flaw! And that has become evident over the years as more and more filters become scratched. It’s not due to …
Hoyarex Skylight 1B filter
The Hoyarex Skylight 1B filter – cat number 011 – is one of the most valuable filters in the Hoyarex range, yet is often overlooked, because its not a special effect filter. But this underused filter will do two things to ensure your photography improves. Firstly, and most importantly, the filter is a lens protector. …
Spot filter effect
An interesting and under used filters in the Cokin range is the Incolor 061. It’s part of the spot color range, and unlike many of the other colour spot filters this one is very practical and can be used in different ways for different effects. The spot filters with colour can sometime look quite poor …
Linear or Circular Polariser?
In the early days of the polarising filter there was just one type – the linear polarizer. The circular type arrived when the cameras with advanced metering (and later focusing) systems became popular. The Canon T90 and Olympus OM4 both had new advanced TTL metering that would be affected by the way a linear polarising …
Understanding Filter Factors
A filter factor is highlighted on many filters as a multiple (or x). It’s simply the amount you need to increase the exposure by to compensate for light absorbed by the particular filter being used. x2 is a one stop increase x4 is two stops x8 is three stops x16 is four stops If, for …
Hoyarex Filter System Guide
Hoyarex filters were arguably the best filter system made. Optically superb, several made from glass, solid filter holder, brilliant adjustable rubber hood for wide or super telephoto, and a useful range of filters. Hoyarex was a filter system developed by Hoya. Hoya was the big name in optical filters and then French manufacturer Cokin appeared …