Norland cements like 60 ( and 61 ) are widely used in industry, but maybe aren't the best choice for home use. Their expiry date is usually short and...
The Apo Ronar ( and Apo Artar ) fares better across Infinity to 1:1 because its field angle is lower. The trade-offs aren't as harsh in this case, as...
I'm planning on repairing some balsam separation, but can't decide on the best adhesive. Is the Canada Balsam you can get from art supply sites (e.g....
This makes sense to me, but was confused about the comments in regards to coverage at infinity. This would only be applicable when shooting something...