There is a Sigma 5.6 o. eBay - £99 last time I looked.

It is still quite cold, especially at night which might slow the critters down.

I am not sure that logic works !

@Saxon - nice hifi reviews.

"Not lenses to carry all day every day but invaluable in circumstances when you know you are going to be crowded"

This is a good point. You wont miss some lenses until you need them.

I have built up selections of Takumar, K and SMC-M lenses between 24-300mm fixed focal lengths to use on full frame mirrorless bodies. They work very well and the medium focal lengths are also used for digitising 35mm negatives. For Pentax digital and film AF I have various zooms and fixed focal length lenses, mainly Pentax and Sigma. They work well and don't all get used all the time.

For what it's worth, I took my best photos of my children with an MX and 50/1.7 and 85/2 and an Olympus 35SP rangefinder. Fantastic to use, quiet, unobtrusive.

Very nice set

Very nice set. Glad it is working out.

Nice work, the lighting looks difficult. Also, what a nice space

very nice set. I like No 5 very much - shallow depth of field, notion of movement.

Thank you. Looking forward to seeing the new camera.

The 24-50mm SMC-F zoom might also be an option. Not super fast aperture but a good performer and good value.