Macro Magnification - how to calculate?

This post is all about how to calculate/measure  macro magnification. It's really very simple but since I get asked this a lot, I might as well prepare a post on this for everyone's benefit. A lot of macro photographers add Raynox DCR250 and/or Extension Tubes and/or Teleconverter to their macro lenses (or non macro lenses) and wonder what magnification they are shooting at. Well, I say, shoot

Nhận xét

Đăng nhận xét

Bài đăng phổ biến từ blog này

UV Flashlights Comparison

Since I have three different UV flashlights, I thought it would be a great idea to do a side by side comparison of all three. Here are the three UV flashlights I have purchased so far. 1. Inova X5MT-WUVT High Powered Ultraviolet LED Flashlight US$40.45 2. Ubesta 3-in-1 15+1 3xAAA Flashlight US$11.563. UltraFire® 3w Ultraviolet LED Flashlight  US$7.46 First, I tested them, one by one, on a RM10
Đọc thêm

Wormlion

I have seen similar pits under the hostel building when I was in Kuching, and again, in Tawau. I thought they were antlion pits at first, but upon investigation, turned out to be something else. No antlion larva inside, just a worm! See how this wormlion deals with an ant that falls into the pit! The worm looks like this: I posted the gif animation on my Facebook and within minutes, got the
Đọc thêm

Butterflies and rainforest

Like most people, I like butterflies. (Who doesn't?:D). However, while i like them and think they are beautiful, I never really have very high regard for them. So the butterflies pollinate a few flowers, plants and crops, but they are no where as efficient as the bees in this aspect. I didn't realize how wrong I was until I stumbled upon this website: Langkawi-gazette Excerpt from the page:
Đọc thêm