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Winter 2004-5 - Karlu Photographic

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Converters<br />

Teleconverters and autofocusing<br />

Customers are sometimes perplexed to find that their converter won’t autofocus with a<br />

particular lens. The reason is an optical one: they lose light - 1 stop for the 1.4x, and 2<br />

stops for the 2x. Camera manufacturers design their autofocus sensors to work with<br />

lenses of f8 or faster, and so when a 2x converter is attached to a 70-300mm zoom with<br />

an aperture range of f4-5.6, this becomes f8-f11, and at the 300mm end, autofocusing<br />

stops. It’s only really a problem however, if you’re photographing moving subjects.<br />

Kenko 7-element<br />

2x autofocus converters<br />

Double the power of your lens. Fitting<br />

between the lens and the body, they retain<br />

all metering functions, and are ideally<br />

suited to focal lengths above 50mm. The<br />

7-element design and multicoating keep<br />

performance loss to a minimum. Please<br />

note the restrictions regarding autofocusing<br />

in the panel above. £88.95<br />

KE2X7C Kenko 2x MC-7E Canon AF<br />

KE2X7M Kenko 2x MC-7E Minolta AF<br />

KE2X7N Kenko 2x MC-7E Nikon AF<br />

KE2X7P Kenko 2x MC-7E Pentax AF<br />

Voigtländer<br />

Manual focus lenses<br />

Traditionally-made metal and glass lenses<br />

of a very high optical and mechanical<br />

standard, featuring fast maximum apertures,<br />

bayonet fit metal lenshoods<br />

(extra), and available in these fittings:<br />

Canon FD, Minolta MD, Olympus OM, Nikon<br />

AIS (with F prong), Pentax PK/AB, Contax<br />

and M42 screw.<br />

Please state mount when ordering<br />

VLSL40 40/f2.0 aspherical . . . . 269.90<br />

VLSL75 75/f2.5 Color Heliar . . . 269.90<br />

VLSL90 90/f3.5 Close Focus . . . 269.90<br />

VLSL125 125/f2.5 Apo Lanthar . . 499.90<br />

VLSL180 180/f4 Apo Lanthar . . . 269.90<br />

FAX: 01420 543 544<br />

Kenko Pro-300 converters<br />

High grade multicoated converters<br />

designed for lenses 100mm or longer, and<br />

using low dispersion Hoya glass. The 1.4x<br />

has 5 elements and autofocuses with lenses<br />

f5.6 or faster. The 2x has 7 elements, autofocuses<br />

with lenses f4.5 or faster.<br />

Canon and Nikon now digital compatible<br />

KEP14C Pro-300 1.4x Canon AF . 138.50<br />

KEP14M Pro-300 1.4x Minolta AF 129.95<br />

KEP14N Pro-300 1.4x Nikon AF . 138.50<br />

KEP2C Pro-300 2x Canon AF . . 152.50<br />

KEP2M Pro-300 2x Minolta AF . 148.00<br />

KEP2N Pro-300 2x Nikon AF . . . 152.50<br />

40/f2.0<br />

75/f2.5<br />

Tamron<br />

New Di lenses<br />

The 28–75/f2.8 is a compact zoom with fixed<br />

aperture, and the 180/f3.5 Macro a high performance<br />

telephoto with 1:1 subject repro. This<br />

year they are joined by a 17–35/f2.8-4 and soon<br />

a 70–200/f2.8. All these lenses have a ‘Di’<br />

suffix. They still cover a 35mm negative, but the<br />

light exit path has been optimised to minimise<br />

colour aberrations on digital cameras.<br />

Autofocus lenses<br />

Mount availability:<br />

� Canon, Minolta, Nikon, Pentax<br />

� Canon, Minolta, Nikon<br />

14/f2.8 Asph SP IF � ..................855.00<br />

90/f2.8 Macro SP Di � ................299.90<br />

180/f3.5 Macro Di �...................529.00<br />

300/f2.8 � .............................2299.00<br />

17–35/f2.8-4 Di � .....................349.00<br />

19–35/f3.5-4.5 � ......................179.90<br />

24-135/f3.5-5.6 Asph IF � ..........329.90<br />

28-75/f2.8 Di �.........................269.00<br />

28-80/f3.5-5.6 Asph �.................69.95<br />

28-105/f4-5.6 IF �.....................119.90<br />

28-105/f2.8 Asph SP IF �............599.00<br />

125/f2.5 Apo Lanthar<br />

Lenshoods<br />

VLSL40HD40mm Hood Type D. . . . . 38.00<br />

VLSL40HS 40mm Hood Type S . . . . . 38.00<br />

VLSL75HS 75mm Straight Hood . . . 38.00<br />

VLSL75H 75mm/90mm Hood. . . . . 57.00<br />

VLSL125H 125mm Hood . . . . . . . . . 57.00<br />

17–35/f2.8-4<br />

LENSES<br />

28-200/f3.8-5.6 Asph XR � .........159.90<br />

28-300/f3.5-6.3 Asph XR � .........249.90<br />

70-300/f4-5.6 Macro � ...............109.90<br />

80-210/f4-5.6 � .........................85.90<br />

Adaptall mounts<br />

Lenses have been discontinued, but<br />

these mounts are still available:<br />

Canon FD, Contax/Yashica (not MM),<br />

Konica, Minolta AF, Minolta MD,<br />

Nikon F/AI, Olympus OM, Pentax ES,<br />

Pentax KA, Pentax M42.<br />

Each £41.95<br />

35/f1.2 Nokton M<br />

The fastest coupled rangefinder lens ever<br />

made, for Leica/Voigtlander M mount<br />

cameras. 10 elements in 7 groups, 12<br />

blade iris, 52mm<br />

filter thread,<br />

minimum<br />

focus 0.7m,<br />

weight 490g.<br />

VL35MN<br />

£699.00<br />

VL35MNH<br />

Vented style<br />

hood<br />

75.00<br />

Speed Graphic<br />

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