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For wildlife with Minolta AF (A-mount), the key factors are reach (300–600 mm equivalent), autofocus speed, and optical quality (APO/G glass). Unlike modern systems, Minolta’s strength is in a handful…
Putting together a really useful Minolta AF prime kit for a Sony A-mount body is all about covering focal lengths while keeping the classic Minolta rendering (colour + smooth bokeh).…
This is my new purchase for me to use with my Sony Alpha 99 camera, and via adapter with my Sony Alpha 7 camera. This is a famous lens, very…
The Carl Zeiss AG IM35 microscope is a classic inverted research microscope that was widely used in laboratories from the 1970s–1980s. 🔬 What the Zeiss IM35 is The Zeiss IM35…
A calibrated Renishaw plc inVia research-grade confocal Raman microscope spectrometer is a high-end laboratory instrument used to identify and map the chemical composition of materials at microscopic scales. Let’s unpack…
The Lockman Hole is a special region of the sky that astronomers love because it is unusually “clear” when viewed in certain wavelengths—especially X-rays and ultraviolet. Why it’s important Normally,…
Hi Andy, Just been watching the recent April 2026 Drakes lounge and in particular your piece where you talked about how you worked with Jason to make a conversion between…
Short answer: no—those experiments are not actually measuring anything travelling faster than light. When Cosmic Watch–style muon setups give “superluminal” results, it’s almost always due to measurement/systematic effects rather than…
I am grateful to Alex Pettit for helping me calculate the dimensions. LRO-H2 Hydrogen Line Radio Telescope: Measurements in cm: Diameter 150.00Depth 24.00Focal Length 58.59 Radius Depth x 0.00 y…
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