I wonder if the new FF camera will be called the Pentax AS-IF*

They can't use K-3 that was used as an April Fool
and would be silly!

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When I go to the dentist's I usually grab hold of his plums and say
to him "Now we are not going to hurt one another are we?"

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Sorry I didn't realize the Q was 4:3 so on a 35mm frame
it would cut off about 1.5mm top and bottom which my
Rollei 35 used to do anyway

It's not a zoom viewfinder. It does state that it's just
for the standard lens. It should be OK on any camera with
a 48/50mm lens. You need something like a turret finder
for different focal lengths possibly Leica or Russian copy.

A Linhof Finder should work ebay_link

The Pentax one being glass rather than plastic is
optically very good one of the best I've ever seen
and certainly better than any finder on a
rangefinder camera.

It's unlikely that Sigma and other lens manufacturers will do anything further with Kxx mount lenses until the FF camera arrives and they see what if any changes are made to the bayonet Then they may release further lenses, but not specifically aimed at the FF camera the market will be far too small.

A lot will depend on if future Pentax lenses are interchangeable between APS-C and FF. If they aren't Pentax will probably go/disappear the same way that the CZ Contax went

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I've heard that they are also working on a new lens!

This is more interesting link

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Edit: This refers to the original. I hadn't seen the
edit which I'm undecided about... looks too much
foreground.

I like that as it is, but you need to spot out the
distracting white bit on the right side

It's not distracting, but the central white dot on the
water line could probably go.

Needs to be bigger as well so we can look for Nessie

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Well Captured/Not-captured *

*Delete as appropriate

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Glad to hear that it's sorted. These connectors are worth having, because you never know when you will need them.

You can add quite a lot of tubes together to give almost bellows length.
A Pentax Helecoid extension tube is well worth having, but about £60 (ebay).

It's worth having a Soligor M42 reversing ring. It's made similar to a T2 adapter with 3 grub screws which allow you to rotate the reversed lens to wherever you want. Loads on ebay

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Sorry Charlotte, the tube I used was non-auto and I've just tried an auto-tube and it won't fit without cutting the lever off with a Dremel and cutting disk.

It will work with any non-auto tube such as the £4 ones from China?

If you have a spare auto-tube and a Dremel the levers usually cut off very easily (takes about 5 mins).... you just need to cover all the rest of the tube with masking tape to keep the bits out. There seems to be about 2mm spare so cutting the lever and leaving 1-2mm projecting should be OK. It doesn't have to be exactly flush. It might be possible to remove the lever by taking the tube apart.

The other way would be to cut a notch right through the side of the T-Mount but that would be harder and you would need the exact position.

Buying a non-auto tube might be the easiest. Possibly someone on here
might have one to spare?