Olympus UK E-System User Group
Olympus UK E-System User Group

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Search: Posts Made By: Mark_R2
Forum: Standard zoom and mid range 2 Days Ago
Replies: 27
Views: 687
Posted By Mark_R2
Re: Olympus 1.4 mc 14

They are 6mm long, which is a standard size. I am happy to post the M2x6mm countersunk screw I have to you FOC. It is slotted, but does seem to fit well. I've tried it on the MC14 a few times and I...
Forum: Standard zoom and mid range 3 Days Ago
Replies: 27
Views: 687
Posted By Mark_R2
Re: Olympus 1.4 mc 14

Historically, the Japanese camera industry used JIS (Japanese Industry Standard) screws. However, I have removed one screw from my own MC14 and the thread seems to match metric ISO M2. Unfortunately,...
Forum: Nostalgia Nexus - early and pre-digital discussion 2 Weeks Ago
Replies: 18
Views: 800
Posted By Mark_R2
Re: Thornton Pickard 5x4" half-plate view camera?

The Lens Collector’s Vade Mecum has a short entry for Thornton-Pickard. They were based in Altrincham (a stone’s throw from me in Sale!). Dates are roughly 1890 to 1930.

They didn’t make lenses...
Forum: Olympus OM-D E-M5 Mark II 31st December 2018
Replies: 12
Views: 1,153
Posted By Mark_R2
Re: Lens confusion

I bet they've sent you the old 4/3 E-system DSLR mount lens. This can be used on micro-4/3 but needs an adapter. If the seller said it was a micro-4/3 lens, i would send it back.

EDIT: the...
Forum: Legacy Lenses 2nd August 2018
Replies: 42
Views: 10,940
Posted By Mark_R2
Re: Lens Fungus

As has been pointed out, the UV from an LED may kill the fungus but this will be a long process (days or weeks of exposure). The LED should not be emitting in the UV-C band (required for germicidal...
Forum: Site news 28th June 2018
Replies: 40
Views: 7,619
Posted By Mark_R2
Re: Are you purchasing anything through Amazon?

Cheers Ian. Order placed.

Mark
Forum: E-System User Group goodies 11th June 2018
Replies: 6
Views: 3,254
Posted By Mark_R2
Re: MF adapter / Sunagor lens.

For OM to 4/3 DSLR, the official item is the MF-1 adapter. But there are plenty of Chinese clone items. I have several which I no longer use since I no longer have a 4/3 DSLR. You can have one for...
Forum: General accessories 8th January 2018
Replies: 2
Views: 1,284
Posted By Mark_R2
Re: Quick release straps?

I use Op/Tech USA and have never had any problems. they have a huge range and I find the smaller clips (Mini QD i think they are called) are fine for Micro 4/3 cameras. As a general principle, I...
Forum: Software 22nd December 2017
Replies: 3
Views: 1,166
Posted By Mark_R2
Re: Last lightroom classic update

If you like to keep updaters for future use (as i do), then you can download them from:

https://helpx.adobe.com/lightroom/kb/lightroom-downloads.html

Click on the arrow next to 'Adobe Photoshop...
Forum: Looking for improvement 25th October 2017
Replies: 27
Views: 5,059
Posted By Mark_R2
Re: Panning for Motor Sports

This is quite normal with panning shots at slow shutter speeds. It is caused by the difference in motion RELATIVE TO YOU of the front, middle and back of the car. You will be panning by rotating...
Forum: Converters, adapters and extension tubes 31st August 2017
Replies: 31
Views: 7,633
Posted By Mark_R2
Re: MC-1.4 Converter

It is also possible hat the lens locking pin on the camera is not coming fully out with the TC in place. Maybe the recess in the TC is just a bit too small. The locking pin triggers a switch that...
Forum: General photography news from DPNow.com 21st December 2016
Replies: 12
Views: 4,178
Posted By Mark_R2
Re: For all you macro fans out there!

I am not familiar with that Canon lens, but letís look at some general principals.

The relation between magnification M, focal length f and image distance S (measured from the second principal...
Forum: General photography news from DPNow.com 19th December 2016
Replies: 12
Views: 4,178
Posted By Mark_R2
Re: For all you macro fans out there!

For high magnification you have to have a short focal length, otherwise the extension required becomes enormous (and the effective aperture becomes very slow). Think of a microscope - very short...
Forum: Legacy Lenses 11th January 2016
Replies: 26
Views: 5,740
Posted By Mark_R2
Re: Sigma 400mm

This is a difficult choice to make. Eventually, I decided to go the native m4/3 route and have sold most of my 4/3 lenses now. The final transition has been the telephoto end. This is how I came to...
Forum: Legacy Lenses 10th January 2016
Replies: 26
Views: 5,740
Posted By Mark_R2
Re: Sigma 400mm

Iíve tried a lot long focal length, manual focus lenses over the years with my E3ís, (which I no longer have btw), looking for a cheap way to get beyond the reach of the 50-200 lens. This was for...
Forum: Telephoto 9th January 2016
Replies: 44
Views: 12,592
Posted By Mark_R2
Re: Panasonic Leica 100-400mm F4-6.3

I doubt it. The MC-14 has a front element that goes into the back of the 40-150 Pro lens. It looks like the rear element of the Pana 100-400 comes to the back of the mount. I think the TC will not...
Forum: Legacy Lenses 9th January 2016
Replies: 4
Views: 2,199
Posted By Mark_R2
Re: Pentax Auto 110 lenses....

Three to four years ago, these 110 lenses became very popular amongst legacy lens users and prices for the rarer ones (70mm f2.8 especially) went to silly levels. Before they really took off, I...
Forum: Telephoto 30th December 2015
Replies: 3
Views: 1,747
Posted By Mark_R2
Re: Rattle in Panasonic 100-300mm lens

This is an OIS lens so it has a floating lens group that moves to achieve the IS. When the lens is not 'powered' that group will be free to move and might be the source of the rattle (I don't have...
Forum: For sale or wanted small ads 21st December 2015
Replies: 6
Views: 1,434
Posted By Mark_R2
Re: 17mm fisheye

To my mind, the point of a fisheye is to get a 180į field of view.The distortion is a by product of achieving that without requiring a rectilinear projection. Depending on the type of projection...
Forum: Accessory talk 6th March 2015
Replies: 8
Views: 1,447
Posted By Mark_R2
Re: OK,Thinking caps on...!

That looks like a T2 to Canon FD mount to me. Whatever it is, it is for mounting onto an FD camera not FD lens, so no use to OP.
Forum: For sale or wanted small ads 5th January 2015
Replies: 7
Views: 675
Posted By Mark_R2
Re: Lens caps for m43 lenses

I have found that pamlizb on ebay is very good. Keen prices and very fast dispatch from the UK.

http://stores.ebay.co.uk/pamlizb/
Showing results 1 to 21 of 21

 
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