[programmer]

Hi all

I'm keeping an eye on various classifieds for decent second hand EP's. I've determined the following focal lengths would be a reasonable spread for my f5 10".

35x=35mm
49x=25mm
68x=18mm
95x=13mm
133x=9.4mm
186x=6.7mm
260x=4.8mm

These are raw figures and I'd be aiming to get EP's with focal lengths close to those numbers. Is that a reasonable selection? I also have a 2x Bintel barlow and the stock 40/25/9/4 Plossls that I'm phasing out.

Should I be striving to get the same brand of EP each time? So far I have bought two, an Orion Lanthanum 12.5mm and a Baader Hyperion 17mm. Now I see there's a 7mm Type 1 Nagler up for sale which would fit in my list.

What's the general feeling about this approach? Any other tips? I'm willing to pay up to around $150 for a decent 2nd hand EP, to give you an idea of budget (less if possible of course!)