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Opti Solar 250 opinions
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imageoven View Drop Down
Old Croc
Old Croc


Joined: 28 March 2007
Location: Scotland
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Points: 1996 		Post Options Post Options   Thanks (0) Thanks(0)   Quote imageoven Quote  Post ReplyReply Direct Link To This Post Posted: 22 September 2020 at 4:28pm
Originally posted by norty303 norty303 wrote:

Originally posted by DigbethDave DigbethDave wrote:

I should imagine he will have told hold out a while for that, seems expensive for such an old, niche fixture no?


They are a tradable commodity still. Not much else does what they do, and they are in short supply. Most quantities held by a few people who specialise in that sort of thing.


Is it an original '575' (boxy silver case) or a K4 (black or white moulded case)? As I understand it the reason for the K range was to improve the inadequate cooling at the effects gate of the original 575. I have a soft spot for opti's and would generally rather watch a nice moiré effect than a digital loop but that's probably just nostalgia (and too much poorly thought out digital content). I'd still be buying opti stuff for my own entertainment if the 2nd hand prices weren't so high.
Keep pushing on, things are gonna get better.
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woody2 View Drop Down
Young Croc
Young Croc


Joined: 04 March 2010
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Points: 1464 		Post Options Post Options   Thanks (0) Thanks(0)   Quote woody2 Quote  Post ReplyReply Direct Link To This Post Posted: 22 September 2020 at 4:33pm
Originally posted by monkeypuzzle monkeypuzzle wrote:

oh and while we're at it... don't forget the original method of an Over Head Projector (OHP), a fish tank full of water, some coloured oils and someone on fist full of microdots happily playing with it all night long....Tongue


Back in the mid-80s you could get a video/ computer tablet that sat on top of a 400w OHP.
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Digbethdave View Drop Down
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Joined: 16 November 2018
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Points: 388 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Digbethdave Quote  Post ReplyReply Direct Link To This Post Posted: 22 September 2020 at 4:50pm
Originally posted by imageoven imageoven wrote:

Originally posted by norty303 norty303 wrote:

Originally posted by DigbethDave DigbethDave wrote:

I should imagine he will have told hold out a while for that, seems expensive for such an old, niche fixture no?


They are a tradable commodity still. Not much else does what they do, and they are in short supply. Most quantities held by a few people who specialise in that sort of thing.


Is it an original '575' (boxy silver case) or a K4 (black or white moulded case)? As I understand it the reason for the K range was to improve the inadequate cooling at the effects gate of the original 575. I have a soft spot for opti's and would generally rather watch a nice moiré effect than a digital loop but that's probably just nostalgia (and too much poorly thought out digital content). I'd still be buying opti stuff for my own entertainment if the 2nd hand prices weren't so high.
Yeah original 575.
He was based I. Brighton. Will find details. 

Problem with opti now is that it has become a collect able. 

I have ten, plus some spares. 
The new vari speed gates are good. 
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kedwardsleisure View Drop Down
Old Croc
Old Croc


Joined: 20 January 2009
Location: Staffordshire
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Points: 4507 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kedwardsleisure Quote  Post ReplyReply Direct Link To This Post Posted: 28 September 2020 at 11:09am
The opti K2 is pretty awesome, I've seen them used outside projecting on the side of a building. They do need to warm up though to get the oil flowing.
The Solar 250 is cheap to run as it uses a capsule lamp but by modern standards is dim, the oil wheels sap alot of the light away, ok for a dark pub or club but that's about it.

Years ago we supplied some solar250's to the wegdwood pottery to project decorating stencils onto large plates, to help the decorators to trace the patterns more accurately. They were using domestic slide projectors but the transformers kept burning out being on all day at acute angles.

The cost of ownership of an LCD projector must be factored in though, one blown lamp and you're only taking home half your fee.
K. Edwards Electronics Engineers

North Staffordshire
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