Jonathan Harris at Worldwide Camera Exchange

Buying a Hasselblad lens? Essential checks you must make.

Fungus in cameras and lenses. What is it and how to avoid.

Cleaning camera lenses - tips and tricks

Leica 35mm Summicron M - buying guide for film and digital rangefinder

Leica (Leitz) IIIc screw rangefinder walkthrough

Mamiya C330 and C220 walkthrough

Nikon F2 walkthrough, variants and features

Understanding Leica M6, M6 TTL and MP metering

Mamiya 645 Super, Pro and Pro TL cameras

Using Hasselblad 500-series cameras; 500C, 500CM, 501C, 501CM, 503CX, 503CXi, 503CW

Nikon FM2 (and FM2n) camera walkthrough

Nikon FM film camera - walkthrough and buyers guide (including one check where it always fails!)

Bronica ETRS series cameras walkthrough; Bronica's 6 x 4.5cm film cameras - ETR, ETRS and ETRSi

Bronica ETRS checks - essential viewing if buying ETRS, ETRSi, ETR and ETRC 6x4.5 film cameras

Hasselblad 500C or 500CM? Don't trust the name plate!

Nikon F cameras - Identifying early models

Unjamming a Hasselblad. How to unjam 500-series cameras (500C, 500CM, 501C, 501CM, 503CX, 503CW)

Early Hasselblad; the 500C. How they differ from later cameras and what to check if buying