Thanks guys thats a great help..... I'll think carefully about my options.

I may just wait until I have a little extra cash for the TC and keep the 55-300.

Damn .....

OK need to think about what to do then.

Mike I've been looking at the Tamron 1.4 and Kenko 1.5 TC's but I'm a bit confused as to which I need to get.

Their appears to be multiple variations. Any idea what I need to be looking for ?

Thanks Mike. But is the IQ on the 70-200 with a 1.4x TC comparable to the 55-300 if weight / size is not a factor.

Thanks Giorgio. I've been using the 55-300 for a year and am happy with it.

It's the reach and IQ I'm concerned about really.

If the 70-200 with a 1.4x Teleconverter is going to give me just about as much reach as the 300mm with the same IQ as the 300mm then that lens is going to be redundant.

I may as well sell it to fund the purchase of the 1.4x TC for the Tamron.

Hi all ! I've upgraded from a Kx to a K5 with the 18-55 WR lens. My Kx came with a 55-300 Da L which I've kept.

I've also just purchased a new Tamron 70-200mm F2.8.

Should I keep both or sell the 55-300 and buy a 1.4 / 1.5x Teleconverter for the 70-200 ?

Hi all. First post on these forums and it’s a problem sorry.

Purchased a kx kit with 55 and 300mm lenses from Jacobs. The camera arrived at around 10am on Saturday 27th March.

I arrived home at around 11:45am. Had a cuppa. Unpacked the camera and went outside to take some test pics in the garden.

The first half dozen were blurry because I had forgotten to turn the autofocuc on !

The next few were some of the Mrs’s flowers and were great.

Fast forward a couple of weeks to yesterday. I’d hardly had time to use the camera but yesterday was out all day and took around 800 pictures of aircraft at a local RAF base.

This is where a problem surfaced. When I returned home the pictures had marks on every single picture in the same spots.

I’ve since learned that this is probably marks on the sensor. I’ve tried the self cleaning routine but it has not helped.

The camera has probably had around 5 lens changes while I’ve had it and they were all done in the kitchen. I just cant understand where all this dust came from on a brand new camera.

I’ve mailed Jacobs but have not yet had a reply.

Whats more worrying is that this morning I’ve noticed that what is probably the 5 or 6th picture I took on the morning of the 27th is named IMGP0753 !

Does this mean Jacobs have sent me a returned or second-hand camera body ?

Feeling a but disillusioned at the moment to say the least.
My first foray into the world of DSLR is not going well...