OBJECTIVE LENS CARL ZEISS JENA PLANACHROMAT 5 x

racketman · 6th of January 2011 (Thu)

anyone know if these are standard RMS thread?

LordV · 7th of January 2011 (Fri)

I'd guess they are likely to be, but you would get more definitive info here http://photomacrography.net/forum/
eg some objectives are paired with the viewing lens to achieve their full optical properties plus some are apparently infinity objectives which seems to mean they work best used as an add on diopter rather than on the end of a hollow tube.

Brian V.

racketman · 7th of January 2011 (Fri)

thanks, found a place to get the Canon Auto bellows so will go for this one which Jacco says is an infinite lens.

realjax · 7th of January 2011 (Fri)

The infinite ones perform very poor on a bellows. They *need* a tube lens. If you prefer a setup with a bellows go for the finite ones!

racketman · 7th of January 2011 (Fri)

Quote:

Originally Posted by realjax

The infinite ones perform very poor on a bellows. They *need* a tube lens. If you prefer a setup with a bellows go for the finite ones!

Ah I thought it was the other way round, x10 it is then. How can you tell the difference from the links?

realjax · 8th of January 2011 (Sat)

The seller is a little consise in his descriptions so I got the info from the images he provided. One of the lenses has a tube length marked on the barrel, 160 if I'm not mistaken, where as the other has the infinite symbol on it: ∞

LordV · 8th of January 2011 (Sat)

Toby - you can use the infinite ones by sacrificing a lens cap - screwing it into the middle of it and then using it on tele lens say 100mm to 200mm long focused on infinity.
Brian v.

racketman · 8th of January 2011 (Sat)

Quote:

Originally Posted by realjax

The seller is a little consise in his descriptions so I got the info from the images he provided. One of the lenses has a tube length marked on the barrel, 160 if I'm not mistaken, where as the other has the infinite symbol on it: ∞

thanks for info, bought a finite lens (160, 4x) from someone else as this seller doesn't answer e mails.

racketman · 8th of January 2011 (Sat)

Quote:

Originally Posted by LordV

Toby - you can use the infinite ones by sacrificing a lens cap - screwing it into the middle of it and then using it on tele lens say 100mm to 200mm long focused on infinity.
Brian v.

interesting but bought a set of Canon auto bellows from Teddington Photographic today. Various adapters, FD to EOS, FD to M42, M42 to RMS also coming in the post - well it is winter

LordV · 9th of January 2011 (Sun)

Quote:

Originally Posted by racketman

interesting but bought a set of Canon auto bellows from Teddington Photographic today. Various adapters, FD to EOS, FD to M42, M42 to RMS also coming in the post - well it is winter

Sound like some interesting playing coming up !
Brian V.

6th of January 2011 (Thu)	#1
racketman Cream of the Crop Join Date: Oct 2005 Location: Richmond Surrey Posts: 17,511 IMAGE EDITING OK	OBJECTIVE LENS CARL ZEISS JENA PLANACHROMAT 5 x anyone know if these are standard RMS thread? __________________ Toby Flickr collections Gear

7th of January 2011 (Fri)	#2
LordV Macro Photo-Lord of the Year 2006 Join Date: Oct 2005 Location: Worthing UK Posts: 42,315 IMAGE EDITING OK	Re: OBJECTIVE LENS CARL ZEISS JENA PLANACHROMAT 5 x I'd guess they are likely to be, but you would get more definitive info here http://photomacrography.net/forum/ eg some objectives are paired with the viewing lens to achieve their full optical properties plus some are apparently infinity objectives which seems to mean they work best used as an add on diopter rather than on the end of a hollow tube. Brian V. __________________ http://www.flickr.com/photos/lordv/ http://www.lordv.smugmug.com/ Macro Hints and tips http://photography-on-the.net/forum/...d.php?t=807056 Canon 20D, Canon 40D, Canon 5D mk2, Sigma 105mm EX macro, Tamron 90mm macro, Canon MPE-65,18-55 kit lens X2, canon 200mm F2.8 L, Tamron 28-70mm xrdi, Other assorted bits

7th of January 2011 (Fri)	#3
racketman Cream of the Crop Join Date: Oct 2005 Location: Richmond Surrey Posts: 17,511 IMAGE EDITING OK	Re: OBJECTIVE LENS CARL ZEISS JENA PLANACHROMAT 5 x thanks, found a place to get the Canon Auto bellows so will go for this one which Jacco says is an infinite lens. __________________ Toby Flickr collections Gear Last edited by racketman : 7th of January 2011 (Fri) at 18:12.

7th of January 2011 (Fri)	#4
realjax Member Join Date: Mar 2010 Location: Netherlands Posts: 551 IMAGE EDITING OK	Re: OBJECTIVE LENS CARL ZEISS JENA PLANACHROMAT 5 x The infinite ones perform very poor on a bellows. They need a tube lens. If you prefer a setup with a bellows go for the finite ones! __________________ Jacco flickr

8th of January 2011 (Sat)	#6
realjax Member Join Date: Mar 2010 Location: Netherlands Posts: 551 IMAGE EDITING OK	Re: OBJECTIVE LENS CARL ZEISS JENA PLANACHROMAT 5 x The seller is a little consise in his descriptions so I got the info from the images he provided. One of the lenses has a tube length marked on the barrel, 160 if I'm not mistaken, where as the other has the infinite symbol on it: ∞ __________________ Jacco flickr

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