1:1 & 1:2 macro with Lester A Dine 105mm f/2.8

2008-08-12
Many have confirmed me that Lester A Dine 105mm f/2.8 1:1 Dental Macro is the exact lens as the Kiron and Vivitar Series 1 105mm f/2.8 and some other similar versions with Vivitar 100mm f/2.5 and f/2.8 Macro made by Kiron or Kino Precision. My expectation on the lens are high and I have proven myself that it is not the lens that has problems but my lacking of skills and knowledge in macro photography in general.

With few days of testing Lester A Dine 105mm f/2.8 Dental Macro closer to 1:1 focusing distance, I am convinced that my skills and equipment can't match what are required in 1:1 Macro photography. There are several factors that make 1:1 macro very difficult to do without tripod and external flash.

Impressions & Notes:
  • Closer to 1:1 at about 1.45 feet minimum focusing distance, the DOF is extremely thin. This is not new to me but I find myself making more errors than I would like to admit
  • Wind is another factor that kills all photos made below 1/100th of a second.
  • Without tripod, I find my photos soft with blur due to user errors
  • Trying tripod is another nightmare as I find tripod getting in a way to framing a shot. Some friends suggest me with monopod and others suggest to try using my tripod like a monopod. I am yet to explore the monopod idea.
  • I am still hopeful that with the Dine Macro ring flash or with an external flash and diffuser, I can achieve better shutter speed and I can use smaller apertures as in f/11 and f/16.
  • In most of my test shots in 1:1 focusing, I find myself struggling in trading shutter speed with smaller apertures. In ISO 400, I find myself needing to go to f/5.6 with 1/100th seconds. And when I go bigger apertures in f/2.8, f/3.2, I can't tell if the soft images come from my hand-holding errors or the lens itself. It is more likely my mistakes as I do see sharper pictures made wide open in f/2.8.
  • With disappointment on my 1:1 shots, I went with some 1:2 test shots and my confidence with the lens improve as I see myself making cleaner shots with the lens

All shots in 1:2 instead of 1:1
Lester A Dine 105mm f/2.8 1:1 Dental Macro Test Shots with Pentax K10D

Lester A Dine 105mm f/2.8 1:1 Dental Macro Test Shots with Pentax K10D

Lester A Dine 105mm f/2.8 1:1 Dental Macro Test Shots with Pentax K10D

Lester A Dine 105mm f/2.8 1:1 Dental Macro Test Shots with Pentax K10D
Related:

1 comments:

Alisha said...

Hi,

I'm Alisha from Wowzio, and I'm excited to tell you about our new widget platform that helps bloggers increase readership by providing engaging widgets containing your blog's rich content. You can check out widgets customized for your blog here:

Wowzio Widgets for your Blog

I wanted to reach out to you to ask for your feedback on these widgets (feel free to install them on your blog, if you feel they are a good fit). I'm sorry for leaving this message via a comment, it's not at all our intent to spam you ( which is why i'm leaving this comment on an older post and you can always remove this comment ). Again, we would love to hear your feedback.

Thanks,
Alisha Wright
alisha.wright1@gmail.com

Post a Comment

 

About

Welcome to Hin's Photo Corner, this is my learning blog on photography, blogging and advertising. And I hope you enjoy your visit. For contact, please comment in blog post or email me directly hintheman at gmail.com.

 

B&H Best Deals

Statcounter