Manufacturer.

1. Olympus Manual Download

An online community dedicated to the practices of photomacrography, close-up and macro photography, and photomicrography.:: Author Message Bruce Taylor Joined: 23 Jun 2011 Posts: 779 Location: Wakefield, Quebec / Ottawa, Ontario Posted: Wed Apr 27, 2016 4:35 am Post subject: Olympus CK2 microscope - questions A few days ago, I saw an inverted 'scope in a shop window, under a layer of dust. It was just what I need for cell-picking, and the price was absurdly low, so I took it home and cleaned it up.

It works very well. I downloaded the manual & brochure from Alan Wood's helpful site ( ). Mine seems to be a CK2-bip - a basic model, with no fine focus or trinocular tube.

I have a few small questions. First, a trivial issue.it seems to be missing a component mentioned in the manual, a 45mm filter filter holder that fits into a slot above the phase slider. Was this model sometimes sold without that part, or can I assume it's been lost? Secondly, the microscope came with 10x and 20x phase, but does not have a 40x objective, and is missing the removable 45mm 40x phase annulus that can be dropped into the middle of the phase slider. If I find a supplier who has the annulus, do I have to match it with a particular type of phase objective? Or will any 160mm phase objective work? And finally, just out of curiosity, does anyone know when this model was made and sold?

It Came from the Pond (Blog): Alan Wood Joined: 29 Dec 2010 Posts: 273 Location: Near London, U.K. Posted: Wed Apr 27, 2016 5:27 am Post subject: Bruce They all came with the filter holder, so it has been lost. Perhaps you could put a blank 3'x1' slide across the gap and put a filter on top of it. I have the model without fine focus, and I find it difficult to focus a 40x objective.

Also, the condenser NA is 0.30 but the 40x LWD is NA 0.55 and the 40x ULWD is NA 0.50, so there are lots of artefacts because the condenser NA is too low. You would need an Olympus 40x phase objective to match the 40x phase insert. You need LWD or UWLD versions because you will be looking up through a slide or a Petri dish, not down through a 0.17mm coverslip. These objectives have a correction collar to adjust for slide thickness. You can see the long working distance objectives in the LB Objectives brochures on my website.

The CK2 is the same generation as the BH-2 and CH-2, so it would have been introduced in the early 1980s. It was replaced by the CK30 and CK40, I guess in the late 1990s. Alan Wood zzffnn Joined: 22 May 2014 Posts: 1687 Location: Texas USA Posted: Wed Apr 27, 2016 6:29 am Post subject: Bruce, To add to Alan's comments: You may try DIY adaptation of condenser and mix-match with 40x phase objective and condenser annulus (different brands/models may or may not work with each other - but you likely need annulus made for LWD 1-1.2mm-corrected objectives). You need a good return policy though, since it may not work. You may want to try a 40x objective with your (one and only) coarse focus though.

If it does not work well for you, then probably no point of getting 40x phase objective and condenser annulus. You can invert a prepared slide with 0.17 mm cover and view it with a regular 0.17mm-corrrcted 40x objective, just to see how the focus work.

Focusing would be difficult that way, but not impossible. Nikon model G scope's coarse focus, for example, can work reasonably well, in my hands, up to 40x NA 0.65 (but not more).

Olympus Manual Download

DIY fitting an coaxial focus may be difficult. Bruce Taylor Joined: 23 Jun 2011 Posts: 779 Location: Wakefield, Quebec / Ottawa, Ontario Posted: Wed Apr 27, 2016 8:07 am Post subject: Thanks Alan & Fan.great information, and so quick! I guess I won't bother trying to upgrade to 40x, then. It's still very useful to me as a cell-picking tool.a big improvement over the little stereo microscope I've been using. The missing filter holder is a minor thing, but I guess I'll see if I can find the part online, somewhere.

The Richmond five-speed is known as the Street Five-Speed and also uses a 26-spline input and 32-spline output shaft. The only modifications needed to install a Richmond five-speed in a pre-’71-Muncie– or T-10–equipped car would be moving the crossmember back approximately 2½ inches. It also has essentially the same dimensions externally as the pre-’71 Muncie and old T-10. 350 chevy manual fuel pump. Its overall dimensions are very close to either of those gearboxes, so the Richmond four-speed can be swapped into any car in which a ’71-and-later Muncie or Super T-10 was optional.

Thanks again for the help. It Came from the Pond (Blog): Doc.Al Joined: 24 Jun 2010 Posts: 80 Location: Suffolk, England Posted: Thu Apr 28, 2016 8:05 am Post subject: Hi Bruce, Is the slider marked? I only ask as I have just checked all three of the phase contrast inverted microscopes we have at work (all Olympus, two CK40 finite scopes and a CKX40 infinity) and all the sliders have one open position (which is useful) and two phase annuli. One is marked 4X and the second is marked 10X/20X/40X. I can't look at a CK2 as we got rid of our last one several years ago, but as far as I remember it had the same LB objectives as we have with our CK40's, and so I would assume that the annuli would be similar. Alex Nikon Labophot 2 with CFN objectives. Canon MP-E65 and StackShot Alan Wood Joined: 29 Dec 2010 Posts: 273 Location: Near London, U.K.

Posted: Thu Apr 28, 2016 1:16 pm Post subject: The CK2 slider has 2 built-in annuli, one for 4x, the other for 10x/20x. The middle position is empty, and can accept an optional 40x annulus. Alan Wood Display posts from previous: - All times are GMT - 7 Hours Page 1 of 1 Jump to: You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum.