X2 Teleconverter for my Mamiya 645 Pro
Origins I was perusing eBay a week or so ago and noticed some 2x teleconverters for sale for the Mamiya 645. I had started using my Mamiya 645 Pro again after a hiatus about 6 or 7 months ago as the UK went into lockdown. I was visiting local woodlands and it made a lightweight outfit for cycling out to some local sites. I also experimented with the 150mm lens I had which was frankly the least used lens of the ones I had. I always thought of it as a portrait lens which is not really my thing. What is a teleconverter you might ask. A magic bit of optics that sits between the lens and the camera body and doubles the focal length. Sounds great but what’s the catch? The catch is you also double the minimum aperture. So my 150mm f3.5 lens becomes a 300mm (188mm in 35mm-speak) f7 lens. This makes it a less easy to focus as the image is dimmer by two stops. Well the 150mm lens is great for intimate landscape. Equivalent to about 100mm in 35mm-speak. So when I saw the teleconverter for £2...