Balda Super Baldax Schneider Radionar f2.9 filters and hood?

ssellars · Dec 29, 2024

Hello, just wondering if anyone knows what filters and/or lens hood would fit a Balda Super Baldax with the Schneider Radionar f2.9? The lens is threaded and measures approximately 40mm on inside, but the only 40mm filter I have on hand is just slightly too small. Having trouble finding examples on interweb or eBay. Thanks!

Dustin McAmera · Dec 29, 2024

40.5mm is a standard size (or was, when filters were easier to buy). That's the fitting on my Lubitel 166B. Heliopan (nothing to do with me) make a yellow filter (about fifty dollars!) and a rubber hood (26 dollars) in that size.

Lenshood - Rubber - Page 1 - Heliopan US

heliopan.com

Dustin McAmera · Dec 29, 2024

.. and check out the comments on this Franka with the same lens:

Code:

  https://www.flickr.com/photos/raulm/3404926654/in/pool-camerawiki

Romanko · Dec 29, 2024

This looks like 40.5 mm filter thread. Not all modern filters are available in this size but you can use a step-up ring to adapt larger size filters. Lens hoods are readily available from popular internet auction sites. I bought a few and they are good quality.
Push-on filters and hoods can be used as well but they are rare and do not always fit the lens well even if the nominal diameter is correct.

hardly any color · Dec 29, 2024

Lenses with 40.5mm filter thread are pretty common. Try https://filterfind.net/40.5mm_filters.html for some reasonably priced ones. I have no relation to them except being an occasional customer and happy with their product and service

ssellars · Dec 30, 2024

Dustin McAmera said:
40.5mm is a standard size (or was, when filters were easier to buy). That's the fitting on my Lubitel 166B. Heliopan (nothing to do with me) make a yellow filter (about fifty dollars!) and a rubber hood (26 dollars) in that size.

Lenshood - Rubber - Page 1 - Heliopan US

heliopan.com

Thanks! That one appears out of stock, but just found equivalent used one on eBay

ssellars · Dec 30, 2024

hardly any color said:
Lenses with 40.5mm filter thread are pretty common. Try https://filterfind.net/40.5mm_filters.html for some reasonably priced ones. I have no relation to them except being an occasional customer and happy with their product and service

Great idea, I'll send him an email. Thanks

hsandler · Dec 31, 2024

Voigtlander lenses for their Bessamatic and Ultramatic SLRs mostly used 40.5mm. The Skopar X 50mm f2.8s are often practically given away for free when the bodies break, so that might be a source of filters and hoods for you.

Balda Super Baldax Schneider Radionar f2.9 filters and hood?

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