Cactus macro

Earlier images, not yet re-categorized. All subject types. Not for new images.

Moderators: rjlittlefield, ChrisR, Chris S., Pau

Cyclops
Posts: 3084
Joined: Sat Aug 05, 2006 5:18 pm
Location: North East of England
Contact:

Cactus macro

Post by Cyclops »

Another route to macro for me is the use of an 8X loupe! Its not optically perfect as its plastic, but it allows me to get images i would otherwise have to pass on.
This is the very centre of an Astrophytum asterias, a very small cactus that is just a baby and has these very fluffy white areoles that one day, when he's all grown up, wil produce cute yellow flowers.



Image
Canon 5D and 30D | Canon IXUS 265HS | Cosina 100mm f3.5 macro | EF 75-300 f4.5-5.6 USM III | EF 50 f1.8 II | Slik 88 tripod | Apex Practicioner monocular microscope

Cyclops
Posts: 3084
Joined: Sat Aug 05, 2006 5:18 pm
Location: North East of England
Contact:

Sticky structures on a Pelargonium leaf

Post by Cyclops »

A very common plant revelas some interesting structures! These are found on the surface of pelargonium(geranium) leaves, and are slightly sticky-one for the microcscope I think!

Image

Very narrow DOF here!
Canon 5D and 30D | Canon IXUS 265HS | Cosina 100mm f3.5 macro | EF 75-300 f4.5-5.6 USM III | EF 50 f1.8 II | Slik 88 tripod | Apex Practicioner monocular microscope

rjlittlefield
Site Admin
Posts: 23764
Joined: Tue Aug 01, 2006 8:34 am
Location: Richland, Washington State, USA
Contact:

Re: Sticky structures on a Pelargonium leaf

Post by rjlittlefield »

Cyclops wrote:Very narrow DOF here!
Yep -- happens whenever you're imaging a small field.

Still, we can see a lot in these pictures. Looks like your geranium is fond of droplet-tipped setae. Any idea what the droplets are?

--Rik

beetleman
Posts: 3578
Joined: Fri Aug 04, 2006 4:19 am
Location: Southern New Hampshire USA

Post by beetleman »

Not bad at all Cyclops. Just imagin if you get a loop with glass lenses. Yes, I see the droplets Also.
Take Nothing but Pictures--Leave Nothing but Footprints.
Doug Breda

salden
Posts: 1363
Joined: Thu Jul 27, 2006 1:40 pm
Location: Pennsylvania
Contact:

Post by salden »

Good capture. Now I will have to go out and take a closer look at my geranium.
Sue Alden

DaveW
Posts: 1702
Joined: Fri Aug 04, 2006 4:29 am
Location: Nottingham, UK

Post by DaveW »

Looks as though not only will I now have to take flower and stem record shots of my circa 1000 cacti but will have to do macro shots of bits of them also!

Just need to get a bit more extension first though.

DaveW

Cyclops
Posts: 3084
Joined: Sat Aug 05, 2006 5:18 pm
Location: North East of England
Contact:

Re: Sticky structures on a Pelargonium leaf

Post by Cyclops »

rjlittlefield wrote:Looks like your geranium is fond of droplet-tipped setae. Any idea what the droplets are?

--Rik
I think theyre the source of Geranium oil, which gives these plants their, err, distinctive smell! Which my partner hates!
I would imagine the oil is a deterrant for leaf eaters.Would certainly put me off! :smt087
Canon 5D and 30D | Canon IXUS 265HS | Cosina 100mm f3.5 macro | EF 75-300 f4.5-5.6 USM III | EF 50 f1.8 II | Slik 88 tripod | Apex Practicioner monocular microscope

Post Reply Previous topicNext topic