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Ronald White

Photographic & Optical Specialists

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Second Hand Cameras
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Useful Links
Wide Angle Zooms

Sigma 10-20mm f/4-5.6 EX DC HSM Digital Camera Lens  (Click Here To See Special Offer)


Available Mounts:-

Canon EOS




Sigma 10-20mm f/3.5 EX DC HSM Digital Camera Lens (Click Here To See Special Offer)


Available Mounts:-

Canon EOS









Sigma 28-80mm f/3.5-5.6 Digital & Film Camera Lens


Pentax K-AF Mount




Fixed & Macro





Nikon AF-S DX 35mm f/1.8G Digital  Out Of Stock






Sigma 105mm f/2.8 EX DG Macro 1:1 Digital & Film Camera Lens


Available Mounts:-

Canon  Out Of Stock




Telephoto Zooms






Canon EF 75-300mm f/4.5-5.6G USM III Lens  (Click Here To See Special Offer)







Nikon AF-S 55-200mm f/4.5-5.6G EDII VR Digital Lens


Nikon DSLR Mount

Vibration Reduction 



Sigma 150-500mm f/5-6.3 DG OS HSM Digital & Film Lens



Canon Mount

Optical Stabiliser


Nikon Mount

Optical Stabiliser






Sigma 70-300mm f/4-5.6 DG Digital & Film Lens


Available Mounts:-

Canon EOS

Konica/Minolta/Sony  Out Of Stock







Sigma 70-300mm f/4-5.6 DG APO Digital & Film Lens


Sigma AF Mount  (Click Here To See Special Offer)






 Teleconverter Lenses


Kenko Teleplus 2x (4 Elements)


Digital & Film Use

Available Mounts:-

Canon EOS    


Nikon  Out Of Stock

Pentax (DSLR Only)


Kenko Teleplus 2x (7 Elements)


Digital & Film Use

Available Mounts:-

Canon EOS  Out Of Stock


Sony  Out Of Stock




Automatic Extension Tube Set (Macro)


Automatic Extension Tube Set is combined of 3 metal rings.
Equipped with electronic contacts which transfer exposure data .
All automatic functions work well and there is no need to set them manually.
As for AF engine and TTL auto exposure in modern lenses there is no need to worry, it works perfectly well with extension rings.

Use these by inserting between the lens and the body of SLR Cameras. The tubes can be used singly or combined.

 Canon EOS EF Mount Rings (13mm, 21mm, 31mm) 



 Nikon AF Mount Rings (12mm, 20mm, 36mm)  Out Of Stock



Lens Adapters




Fish Eye Effect Lens


0.25x Super Wide Fish Eye Lens

Screws on to the cameras lens filter thread

Turning e.g. 50mm Lens into a 12.5mm


4.5-13.75mm on 18-55mm Zoom Lens

Fish Eye Lens has 52mm Screw fit

Other sizes available via stepping rings

Can be used on Film & Digital Cameras plus Camcorders



Before & After Effects






This page was last modified on Tuesday, December 19, 2017 02:09 PM