Click on FAQ and Downloads under the Support option, they will take you to the shop. Click on Products, then the IR thingy at the bottom, Page not found in Chinese.

I can't see any difference, so I can't answer the poll .

FWIW, I sometimes have both turned on, I and I still can't see any difference. Conversely, sometimes I have both turned off . . . then I can see a difference.

You enter the focal length of the lens multiplied by the converter magnification. 28mm x 1.5x T/C = 42mm.

I'm not sure how you would work out the change in focal length, if any, when using extension tubes.

Care to explain?

I do know that it can't possibly use the flash's electrical interface for TTL (P-TTL) control when it has only one pin on the transmitter.
From the information on the part of the web site that does work, it would seem that this device "reads" the light pulses from the flash and translates them into radio signals. The receiver then decodes the radio signals and translates them back to IR pulses, transmitted to the slave flash by an IR sender strapped to the light sensor in the body of the slave flash.

Seems all very Heath Robinson to me, but some of the best innovations started out that way. Interesting if it's reliable enough.

Most of the links in the menu either do nothing, or take you to a "Page not found" message, in Chinese.

Looks to me like the product and web site, are still in development.

My first observation is, how can this device achieve TTL compatibility with anything . . . when it has only a centre pin? TTL needs at least 2 pins, possibly 3. Just look at the base of an early TTL capable Pentax flash, it'll have 3 pins.

Even if it can somehow do TTL, TTL is not P-TTL, which is what you need for all Pentax DSLR's except the *istD and *istDS/*istDS2. If it can do TTL, it'll work with your MZ-7 only.

I believe (but I'm not certain)Pocket Wizards can do true Pentax P-TTL, but they are horribly expensive.

EDIT: This page states that it is compatible with Pentax P-TTL.

EDIT 2: If the quality of their web site is mirrored in their products, I'd leave well alone until somebody else has had the initial disappointments that new gizmos often produce.

It's not my lens. I found links to these images in an internet article on the subject of scratched/cracked/chipped lenses.

A scratch on the front element might produce a bit more flare than usual in certain circumstances.

If the scratch is significant enough, you can paint out the scratch with a black marker, black mascara, Matt black paint or similar to reduce/eliminate it.

By doing this, essentially you are filling the scratch with a non reflective material.

It's an old trick, but works.

This lens (in this condition). . . .



produced this image . . .

Hopefully you are aware that the AF500FTZ flash has only manual settings available for use on a K5. It doesn't have any auto exposure capabilities and TTL is not implemented on the K5.

FWIW: I think £50 is too cheap. I have two AF500FTZ flashes and I wouldn't let either of them go for so little money.

I've had the mirror lockup problem, but only when using third party batteries.

Everything's fine with genuine Pentax batteries, except they do seem to self discharge rather more rapidly than those in my K20D.