Super Macro (4X) (Please view Larger)

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Hi Parthasarathi,

I read the details, but I question the use of F/8.

Is the F/8 due to the 4X magnification factor claimed here, or was the lens initially set to F/8 by its physical f-stop.

This image is not the quality that I would expect from any high quality 4X macro lens that I have used. I know , since I have all the standards of the best super macro lens ever produced for 35mm format imaging purposes in my collection. I have optically tested all the finest macro lens in the world as well.

Regards,  Mike

Thanks a lot Mike Palermiti for your comments.

The Av was set f/8 physically in the lens. So the effective Av was 40 { 8 X (4+1)}.

Actually I do not habituated with this lens yet. And it was an outdoor shot. I think for those reasons the result not up to the mark. I will try to upload a photo in controlled environment so that you can judge the actual result of this lens.

Thank you again for your time. With regards

The ones who understand this sort of work will appreciate the fine details obtained from eye, to me this is a remarkable deep close up work and of very high quality lighting and very amazing colors.

Thank you for sharing it and wishing you all of the best.

This is a remarkable image in my opinion,considering the facts that the effective aperture was around 40 where diffraction severely limits the quality. I think the photographer has shown what he wanted to show- the most intersting part of the shot -the compound eyes- and has done a wonderful job of it!

I am amazed at the comments. How can this picture be sharp except at a paper thin plane as the DOF here is a whooping 0.4 mm roughly ? The eyes are in focus and that is what matters. I guess lack of experience with handling a lens like this is the primary cause of the complaint of this nature!

As far as owning the best lenses of the world goes-The other day I saw a very nice signature line in an e-mail from  a budding photog. It said "Having a Nikon camera does not make you a better photographer, it makes you a Nikon owner". If  owning the lenses and camera bodies would have made someone a great photographer, I would have been infinite times better that Ansel Adams but alas- the sad reality is something else!

Let us give credit where credit is due and for this picture Kudos to you Partha!

Just my 0.02 cents

I am very much glad to "be" there at the time of shooting the shot.... the insect was nearly 5mm in length and it was really a tough job to focus such a tiny "alive" insect with so close contact and WoW.. 4X super macro. Hats Off to the Photographer. He Deserves the full Credit. 

I think at an effective Av of 40 &a paper thin DOF might not produce better definition than this(IMHO).Chromatic aberration may appear if you see it in full format whatever the resolution is! This is my non skilled personal experience.To me this image is good enough for depicting what the photographer wanted to!

My best regards.

Kallol