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 …

Polaroid New55 FILM 4×5 film Kickstarter Project

A Kickstarter project has been set up to fund the production of Polaroid New55 FILM – an instant peel-apart 4x5in film that produces a negative and a positive print. Bob Crowley, innovator, product manufacturer and developer, is the founder who started research on the film three years ago and has now brought the project to …

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 …

Japanese buyer pays over half a million for Moon Hasselblad

Mr Fujisawa, founder of Japanese photography retail chain Yodobashi Camera, has just won a Hasselblad Lunar Module Pilot camera at the 25th WestLicht Camera Auction. The camera, a Hasselblad 500 EL data, was used by Jim Irwin to take 299 photos on the Moon while on the Apollo 15 mission between July 26th to August …

Fungus on Photography Lenses

Fungus spores are everywhere, but they only germinate in humidity and they thrive on dust. A lens that has a dose of fungus has it because it has dust inside (and all lenses have some specs of dust even if they’re hard to see), and it’s been kept in a humid/warm environment. Fungus likes dark, …

Nikon 6mm f/2.8 ultra rare fisheye lens

Back in April 2012 Grays of Westminster sold the ultra rare Nikon 6mm f/2.8 fisheye lens for £100,000 The 220º Nikkor fisheye lens weighs 5.2kg, measures 171mm in length and has a diameter of 236mm. It’s one of the few 220º Nikkor fisheye lenses ever to be made. Last week another one turned up on …

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 …

UV Filter Guide

The Multi-purpose UV is similar to the skylight, absorbing the ultraviolet rays which often make scenic shots hazy and indistinct. Moreover, the UV, especially when used with black & white film, increases contrast, reduces haze and generally improves the “sharpness” of your photographs Many photographers buy a UV filter for each lens and leave them …

Why use a right angle finder?

Unless you’re lucky enough to have chosen a camera with a tilting /hinged screen taking photos from ground level can be very uncomfortable or awkward. The titling screen feature on certain digital cameras allows you to view and compose from a height by looking down on the screen that is angled upwards. This makes the …