Hi, how can I check to see if the lenses I have are 33mm or 35.5mm for a step up ring? I have the MIR 11, Tair 41, and Vega 7

Name: M33x0.5 male to M67x0.75 female filter step-up ring for Kiev-16U lenses
Brand: RafCamera
SKU: 763461175020
Price: 28.5 USD
Availability: InStock
Rating: 100 (1 reviews)

Hi Ben. You can use a caliper to measure inner diameter of the filter thread. If it is about 32.5mm, then the thread is M33. If about 35mm, then it is M35.5. If you don't have a caliper, you can use a ruler. This is less precise, but still enough to determine that 2.5mm difference. Thank you. Raf.

M33x0.5 male to M67x0.75 female filter step-up ring for Kiev-16U lenses

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$28.50

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SKU

763461175020

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M33x0.5 male to M67x0.75 female filter step-up ring for Kiev-16U lenses

Details

Front side - M67x0.75 female thread
Rear side - M33x0.5 male thread
Weight - 9 g

This adapter allows using 67mm screw-in filters of Kiev-16U lenses with M33x0.5 filter thread.

Take note that some Kiev-16U lenses have M35.5x0.5 filter thread, so check your lenses before purchase.

Machined from anodized aluminium.

More Information

More Information
Adapter Front Side	M67x0.75
Adapter Rear Side	M33x0.5
Material	Aluminium
Manufacturer	RafCamera
Advantages	Design: Many of our products were inspired by customers, and have great application value. Material: Aluminium alloy 2024 (used in aviation and space industry). It is light and durable. Technology: Cutting from solid bars provides the highest possible product quality. Tolerances: A bit tight fit is better than too loose fit for imaging equipment.